152 articles in "障害" — sorted by importance and recency
Elevated errors for Claude Fable 5 — cause identified
Anthropic identified the cause of elevated error rates affecting Claude Fable 5 and is working on a fix as of August 14. A detailed update will be provided soon. Users relying on the model in producti
Service disruption on Claude API, Claude Code, and Claude Cowork — fix deployed
Anthropic experienced a major service disruption on August 14 affecting Claude API, Claude Code, and Claude Cowork. The company identified the root cause and deployed a fix, currently monitoring for r
Elevated errors affecting Claude Mythos 5, Fable 5, and Sonnet 5
Anthropic reported elevated error rates on requests to Claude Mythos 5, Fable 5, and Sonnet 5 as of Aug 13, 14:33 UTC. The cause is under investigation with updates expected soon. Multiple models expe
Degraded performance across multiple Claude models under investigation
Anthropic reported elevated error rates on requests to multiple Claude models as of Aug 12, 13:50 UTC. The company is investigating the issue and promises an update soon. Root cause, scope, and ETA fo
Claude Opus 5 experiencing degraded performance; Anthropic identifies root cause
Anthropic reported elevated error rates on requests to Claude Opus 5 as of August 5. The company has identified the root cause and is actively working on a fix. Updates will be provided as soon as res
Elevated error rates on Claude Mythos 5, Fable 5, and Opus 5 — cause identified
Anthropic's status page reports elevated error rates affecting requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5. Anthropic has identified the root cause and is working on a fix, with upd
Elevated errors across many Claude models under investigation
Anthropic's status page reports elevated errors affecting multiple Claude models as of Aug 4, 20:48 UTC. The company is actively investigating the issue. No details on scope, root cause, or recovery t
Elevated errors on Claude Sonnet 5 — Anthropic investigating
Anthropic reported on August 4 at 11:27 UTC that Claude Sonnet 5 is experiencing elevated error rates. The company is currently investigating the issue via its official status page. No root cause has
Elevated errors on Claude Sonnet 5 — fix implemented and monitoring
Anthropic's status page reported elevated error rates on Claude Sonnet 5 on August 4th. Investigation began at 06:16 UTC, and a fix was implemented by 06:28 UTC with ongoing monitoring. The exact caus
Error rates across multiple models — investigating
Anthropic's status page reports elevated error rates across multiple Claude models as of Aug 3, 12:52 UTC. The incident is under investigation. No details on root cause or specific affected services h
Degraded performance on Claude Opus 4.8 — Anthropic investigating
Anthropic reported degraded performance on Claude Opus 4.8 as of July 30 and is actively investigating. The official status page shows the incident is under investigation, though specific impact scope
Elevated errors across many models
Anthropic is investigating elevated error rates affecting multiple Claude models. As of Jul 30, 05:57 UTC, the issue is under investigation. The outage potentially impacts API users and Claude.ai user
Elevated errors across all models — Anthropic investigating
Anthropic reported elevated errors across all Claude models starting July 29, 19:49 UTC. The company is actively investigating the incident. No specific error details, scope, or estimated recovery tim
Elevated errors on Claude Opus 5 — investigating
Anthropic detected elevated error rates on Claude Opus 5 as of July 27, 13:39 UTC. The status page shows multiple investigation updates between 13:39–13:42 UTC, indicating ongoing incident response. R
Elevated errors on Claude Opus 5 — investigation underway
Anthropic reported elevated errors on Claude Opus 5 as of Jul 27, with an investigation ongoing. No specifics on root cause, impact scope, or ETA for resolution have been disclosed. Developers and ent
Elevated errors on Claude Opus 5 under investigation
Anthropic reported elevated error rates on Claude Opus 5 on Jul 27 and is investigating the issue. Users may experience increased errors when making API calls or using Claude. Root cause and estimated
Elevated errors for Opus 5 — investigation underway
Anthropic reported elevated error rates for Claude Opus 5 on July 26 and is currently investigating the issue. Details about the root cause and scope of impact remain unclear, but users relying on Opu
Elevated errors affecting Claude Fable 5, Sonnet 5, Haiku 4.5, and other models
Anthropic is investigating elevated error rates affecting requests to Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models as of July 25 at 21:34 UTC. The company has not yet dis
Elevated errors for Mythos 5, Fable 5, Opus 5, and Haiku 4.5 — Fix being implemented
Anthropic reported elevated error rates affecting Claude Mythos 5, Fable 5, Opus 5, and Haiku 4.5 on July 25 at 18:40 UTC. By 18:44 UTC, the issue was identified and a fix is being implemented. Multip
Investigating Elevated Error Rate on Opus 4.8
On July 24, 2026, Anthropic announced that they are investigating an elevated error rate on Opus 4.8. The specific cause and impact are still unclear, but this issue may affect users.
Investigating Elevated Errors on Haiku 4.5
Anthropic is investigating an increase in errors on Haiku 4.5. The details of the issue are not yet clear, but this investigation could impact user experience. Efforts are underway to identify the roo
Issues with Microsoft Office add-ins
On July 22, 2026, it was identified that users who installed the add-ins 'Claude by Anthropic' for Microsoft Office may experience issues accessing functionality. This may impact the use of Claude in
Service disruption on Claude Services
On July 22, 2026, a disruption in Claude services affected features including document creation, Cowork Remote, Claude Code, Claude Code on the Web, Claude Tag, and Claude Design. The issue has been i
Investigating Elevated Error Rates for Sonnet 5
Anthropic is investigating elevated error rates for Sonnet 5. This issue may impact service and is important for users. The exact causes and remedies are still unclear, but developments are awaited.
Elevated errors for Claude Opus 4.1
On July 22, 2026, elevated errors in Claude Opus 4.1 were identified, and a fix was implemented. The team is currently monitoring the results. This situation may affect user experience, so caution is
Service disruption on Claude services
On July 21, 2026, a disruption affected Claude services, impacting functions like document creation. A fix is being implemented, and results are under monitoring. The outage particularly affected feat
Elevated errors on several models
On July 21, 2026, Anthropic identified an issue with elevated errors on several models. A fix is currently being implemented, which may affect service stability, urging users to stay updated.
Update on Elevated Errors in Fable 5
On July 21, 2026, elevated errors in Fable 5 were identified, and the issue is currently under investigation. A fix has been determined and is being implemented. This issue may affect user experience,
Increased errors across models
On July 21, 2026, Anthropic announced they are investigating increased errors with Claude Haiku 4.5 and Opus 4.8. This issue may affect the performance of their AI models, which is critical informatio
Elevated errors on Haiku 4.5
On July 21, 2026, an increase in errors on Haiku 4.5 was identified, and a fix is being implemented. This issue affects Anthropic's services and is important for users. Stability of the service is ant
Investigating Elevated Errors for Claude Opus 4.8
On July 20, 2026, Anthropic announced that it is investigating elevated errors with Claude Opus 4.8. This issue may affect users, and disruptions could occur until a solution is provided. Detailed inf
Investigating Elevated Errors on Haiku 4.5
Anthropic is currently investigating an increase in errors on Haiku 4.5. This issue has been acknowledged and could potentially impact users. Further updates are anticipated regarding the details of t
Fable 5 requiring usage credits on Max plans
On July 20, 2026, some Claude Code Max plan users were incorrectly prompted to use usage credits for Fable 5 access, which is included in their plan. Restarting Claude Code resolves the issue. This ma
Investigating Elevated Error Rates for Opus 4.5
Anthropic is currently investigating elevated error rates for Opus 4.5. This issue could impact user experience and system stability, necessitating prompt attention. Details regarding solutions or the
Update on Elevated Errors Across Fable 5
Anthropic has reported a fix for an erroneous requirement for usage credits in Fable 5. Users may need to relaunch Claude.ai and Claude Code to restore access. The issue was acknowledged, and monitori
Incident Report: Elevated Error Rates for Sonnet 5
On July 17, 2026, an incident involving elevated error rates for Sonnet 5 was reported. The issue has been resolved after monitoring a fix that was implemented. Users should stay alert for any future
Identified Elevated Errors for Claude Opus 4.8
On July 17, 2026, elevated errors were identified for Claude Opus 4.8, and a fix is currently being implemented. This issue could affect user experience, necessitating careful attention.
Investigating Elevated Errors on Multiple Models
Anthropic is currently investigating elevated errors on requests to multiple models. This issue may impact service quality, but detailed information has not been disclosed. Users should pay attention
Enterprise SSO Sign-in Failures
On July 16, 2026, an issue occurred with enterprise single sign-on (SSO) sign-in. The problem has been identified and a fix is being implemented. This issue means users are unable to access the system
Investigating Elevated Errors for Claude Opus 4.7
On July 16, 2026, Anthropic announced an investigation into increased errors associated with Claude Opus 4.7. This issue is currently ongoing, and further details remain unclear. Users should stay inf
Elevated errors on Claude Sonnet 5
On July 16, 2026, errors were reported on Claude Sonnet 5. An investigation was initiated at 08:39 UTC, and the issue was resolved by 08:53 UTC. This incident may have impacted user experience, though
Investigating Elevated Errors on Multiple Models
Anthropic is currently investigating increased errors across multiple models. Specific impacts and timelines for resolution have not been provided yet, but it may affect users.
Partial outage of claude.ai: container creation
On July 14, 2026, an outage affecting features like document creation occurred on claude.ai. A fix has been implemented, and results are being monitored. The outage impacted functionalities including
Investigating Elevated Errors on Claude Haiku 4.5
On July 13, 2026, Anthropic announced that they are investigating an increase in errors on Claude Haiku 4.5. This issue may affect user experience and requires urgent resolution.
Investigating Elevated Errors for Claude Opus 4.8
On July 10, 2026, Anthropic has begun investigating increased errors with Claude Opus 4.8. This issue may affect user experience, prompting an urgent response.
Elevated errors for Claude Opus 4.5 and Claude Sonnet 4.5
On July 10, 2026, elevated errors were reported for Claude Opus 4.5 and Claude Sonnet 4.5 between 6:00 AM and 8:15 AM PT. The issue has been resolved, but users should remain vigilant as it could pote
Investigating Elevated Errors for Claude Opus 4.8
On July 9, 2026, elevated errors were reported for requests to Claude Opus 4.8, prompting Anthropic to investigate the issue. An update will be provided soon regarding the details and resolution. User
Degraded performance for Claude Code on the web and related features
Anthropic has announced an ongoing investigation into performance issues affecting Claude Code and its related features. The impacted functionalities include Claude Code on the Web, Claude Code Review
Issues authorizing to MCP Servers
On July 8, 2026, users experienced issues sending authorized requests to Anthropic's MCP servers. This issue has been resolved, but it signifies an important service disruption for users.
Investigating Elevated Errors on Claude Opus 4.8
Anthropic is currently investigating an issue with increased errors on Claude Opus 4.8. This problem may affect user experience, and a prompt resolution is needed. Further updates on the cause and cor
Investigating Elevated Errors on Claude Sonnet 5
On July 8, 2026, Anthropic confirmed elevated errors on Claude Sonnet 5 and announced that they are currently investigating the issue. This problem may affect user experience, prompting the need for a
Elevated errors on Claude Sonnet 5
On July 7, 2026, Anthropic announced an investigation into increased errors on Claude Sonnet 5. This ongoing issue may impact users.
Elevated GitHub operation failures reported for Claude Tag
On July 6, elevated error rates were reported for calls made to Claude Tag. The Anthropic team is investigating to identify the root cause. Users may experience errors such as denied GitHub operations
Update on Elevated Errors Affecting Claude.ai
On July 6, 2026, an issue impacting Claude.ai was identified, and efforts are underway to resolve it. This issue also affects the ability to log in to Claude Code via OAuth. Further updates will be pr
Investigating Elevated Errors on Claude Haiku 4.5
On July 6, 2026, elevated errors were reported on Claude Haiku 4.5. Anthropic is currently investigating the issue, which may affect user experience and requires prompt resolution.
Investigating Elevated Errors Across Many Models
On July 3, 2026, Anthropic announced that it is investigating elevated errors across many models. The impact of this issue is currently unclear, but it may affect user access to services, warranting c
Elevated errors on Claude Fable 5 and Claude Mythos 5
On July 3, 2026, increased errors were identified on Claude Fable 5 and Claude Mythos 5, with a fix being implemented. The issue has been confirmed, and it may impact users, making the situation close
Elevated errors on Claude Opus 4.8 — issue identified, fix in progress
On July 2, Anthropic identified elevated error rates on Claude Opus 4.8. Investigation began at 00:38 UTC; by 00:58 UTC the issue was identified and a fix is being implemented. No detailed impact spec
Elevated error rates on Opus 4.8
On June 30, elevated error rates were reported on Opus 4.8, prompting Anthropic to investigate the cause. A fix has been implemented, and results are being monitored. This issue could impact user expe
Elevated errors on Opus 4.5
An issue causing elevated errors on Opus 4.5 has been identified, and a fix is being implemented. The problem was reported at 13:35 UTC on June 29, with the root cause identified shortly after at 13:5
Investigating Elevated Errors on Opus 4.8 Fast
Anthropic is currently investigating increased errors reported on Opus 4.8 Fast. This issue may impact users, warranting close attention.
Investigating Elevated Error Rate on Claude Opus 4.8
Anthropic has confirmed an elevated error rate on Claude Opus 4.8 and is currently investigating the issue. This problem may impact users, and solutions are being sought.
Claude.ai is experiencing elevated error rates
Claude.ai is currently experiencing elevated error rates, and Anthropic is investigating this issue. This may affect users, so it's important to monitor the situation.
Elevated Error Rate Across Multiple Models
On June 23, 2026, Anthropic reported an elevated error rate across multiple models. The issue has been identified, and a fix is being implemented. This situation may affect user experience, and the re
Investigating Elevated Errors for Claude Opus 4.8
Anthropic is investigating an increase in errors for Claude Opus 4.8. This issue may affect users, who should remain vigilant until a fix is implemented.
Elevated errors across many models
On June 22, 2026, Anthropic reported elevated errors across many models. They are currently investigating the issue, and a fix has been implemented, with results being monitored. This could impact the
Elevated errors for Claude Opus 4.8
On June 22, 2026, Anthropic is investigating an issue with errors occurring in Claude Opus 4.8. The specific details and impact of the errors remain unclear, but this could be significant for users. F
Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, and Sonnet 4.6
On June 22, 2026, Anthropic announced they are investigating elevated error rates for Opus 4.8, 4.7, 4.6, and Sonnet 4.6. This issue may impact developers and users, especially those utilizing these m
Investigation into Opus 4.8 errors
Anthropic has announced that it is investigating errors related to Opus 4.8. As of June 20, the latest update indicates that the issue is still under investigation. This error may affect users, and so
Investigating Elevated Error Rates on Claude API
On June 19, 2026, Anthropic announced that it is investigating elevated error rates on the Claude API. This issue may affect service stability for API users, and a resolution is being prioritized.
Elevated errors for Claude Opus 4.8
On June 19, 2026, errors were reported for Claude Opus 4.8, and the issue is currently under investigation. This problem may impact users, and Anthropic aims for a quick resolution.
Service disruption on Claude services
On June 18, 2026, the cause of the issue affecting Claude.ai has been identified, and a fix is underway. This disruption may impact users' access to the service, raising concerns about usability. User
Investigating Elevated Errors for Claude Opus 4.8
Anthropic is currently investigating an increase in errors for Claude Opus 4.8. This information is significant for IT users, as it may impact system stability.
Investigating Elevated Errors for Claude Opus 4.8
On June 17, 2026, Anthropic reported that they are investigating increased errors related to Claude Opus 4.8. The issue is ongoing, and specific impacts or solutions remain unclear. Users should be ca
Investigating Elevated Errors for Claude Opus 4.8
On June 17, 2026, elevated errors were reported for Claude Opus 4.8, and Anthropic is currently investigating the issue. Specific impacts and solutions remain unclear, but this matter is significant f
Investigating Elevated Errors for Claude Opus 4.8
Anthropic is investigating elevated errors occurring on requests to Claude Opus 4.8. This issue could impact user experience, necessitating a swift response. A detailed update will be provided soon.
Opus 4.8 Error Rates Increased
On June 16, Opus 4.8 experienced elevated error rates from 12:41 PDT to approximately 12:53 PDT. The Anthropic team is monitoring the situation. This increase in errors could potentially affect user e
Elevated errors across many models
Anthropic has announced that it is currently investigating an increase in errors across multiple models. This issue could potentially affect users, but specific details are not yet disclosed. Further
Investigating elevated errors on Claude Opus 4.8
On June 15, 2026, Anthropic began investigating elevated errors occurring on Claude Opus 4.8. This issue could potentially impact users, and while detailed information has not been released yet, a swi
Elevated errors on Claude Opus 4.8
On June 13, 2026, elevated errors were reported on Claude Opus 4.8, prompting an investigation. The issue was resolved by 02:11 UTC the same day. Service stability is crucial for users, and such error
Statement on the US government directive to suspend access to Fable 5 and Mythos 5
The US government has issued an export control directive suspending access to Fable 5 and Mythos 5 for foreign nationals. Consequently, Anthropic must disable access for all customers. The government
Access to Claude Mythos 5 and Claude Fable 5 Suspended
On June 13, 2026, Anthropic announced the suspension of access to Claude Mythos 5 and Claude Fable 5. This action was taken to ensure service stability and safety, with more details available on the o
Investigating Elevated Errors Across Models
On June 11, 2026, Anthropic reported elevated errors across their models and stated they are currently investigating the issue. This could impact user experience, and a prompt resolution is needed.
Notice of Elevated Errors on Claude Opus 4.6
On June 11, 2026, an increase in errors was reported on Claude Opus 4.6, with ongoing investigations. The issue was identified at 14:37 UTC, and a fix was implemented. Results are currently being moni
Elevated errors on Claude Haiku 4.5
On June 10, 2026, elevated errors were reported on Claude Haiku 4.5. The issue has been identified, and a fix is currently being implemented. Users may be affected, highlighting the urgency of resolvi
Investigating Elevated Errors on Claude Opus 4.6
On June 9, 2026, increased errors on Claude Opus 4.6 were reported, and Anthropic is investigating this issue. This situation may impact users, necessitating a swift resolution. Stakeholders should be
Investigating Fable Unavailability in Claude Code Desktop Model Picker
On June 9, 2026, Anthropic announced that it is investigating the issue of Fable being unavailable in the model picker of Claude Code Desktop. This issue could affect users and requires resolution.
Elevated errors on Claude Opus 4.8 (Fast Mode)
On June 9, 2026, errors were reported in the Fast Mode of Claude Opus 4.8. Anthropic is currently investigating this issue. Its potential impact on users is significant, and further updates will be cl
Elevated errors on Claude Opus 4.8
On June 8, 2026, increased errors on Claude Opus 4.8 were reported, prompting Anthropic to investigate the issue. This may affect users' ability to utilize the service, making a swift resolution neces
Investigating Elevated Errors on Claude Opus 4.7
Anthropic has begun investigating elevated errors in Claude Opus 4.7. This issue could impact user experience, highlighting the need for a swift response. As of now, no specific cause or solution has
Investigating Elevated Errors on Claude Haiku 4.5
On June 8, 2026, Anthropic announced they are investigating increased errors on Claude Haiku 4.5. This issue may affect user experience, necessitating the identification of the cause and the prompt im
Investigating Elevated Errors on Claude Opus 4.7
On June 8, 2026, Anthropic announced they are investigating elevated errors in Claude Opus 4.7. This issue could potentially affect users, necessitating prompt action. Further information on impacts a
Elevated errors on Claude Opus 4.7
On June 7, 2026, an increase in errors was reported on Claude Opus 4.7. Anthropic has identified the issue and implemented a fix. They are currently monitoring the results. This issue could affect ser
Identified degraded performance for multiple Claude models
On June 7, 2026, Anthropic announced it has identified issues causing increased errors on requests to several Claude models, particularly Claude Opus 4.7. They are currently working to resolve these i
Elevated errors on Claude Opus 4.8
Elevated error rates have been identified on Claude Opus 4.8. The Anthropic team is aware of the issue and is working towards a full resolution. This may impact existing users, highlighting the need f
Investigation of Opus 4.8 degraded service
On June 6, 2026, Anthropic reported a degradation in the Opus 4.8 service and is currently investigating the issue. This may affect users, and the situation is being closely monitored.
Investigating Elevated Errors on Many Claude Models
On June 5, 2026, Anthropic is investigating an issue causing elevated errors in Claude models. Users may be affected until the issue is resolved, and caution is advised until further details are provi
Elevated errors on Opus 4.7
There have been elevated errors on Opus 4.7, and a fix has been implemented. The team is currently monitoring the results. This issue could impact the normal operation of the service, raising user con
Issue affecting some Claude Code services
On June 3, 2026, Anthropic reported an issue affecting some Claude Code services. Users are experiencing problems with Claude Code security reviews, code reviews, routines, and web sessions. The engin
Investigating Elevated Errors for Claude Opus 4.7
On June 2, 2026, Anthropic reported an investigation into elevated errors for Claude Opus 4.7. This issue is currently under detailed investigation and may affect users. Further information regarding
Investigating degraded performance for Claude Sonnet 4.6
On June 1, 2026, elevated errors on requests to Claude Sonnet 4.6 were confirmed, and an investigation is underway. Updates regarding the issue will be provided later. This situation may impact users
Elevated errors on Claude Sonnet 4.6
On June 1, 2026, at 14:40 UTC, elevated errors were identified on Claude Sonnet 4.6. The issue has been identified and a fix is being implemented, which could impact user experience.
Elevated errors for Claude Opus 4.7
On June 1, 2026, elevated errors were identified in Claude Opus 4.7. A fix is currently being implemented. Users may experience impacts on their usage of Opus 4.7, making a swift resolution necessary.
Investigating Errors in Opus 4.7
On June 1, 2026, Anthropic announced they are investigating errors related to Opus 4.7. This issue could potentially affect users directly, making it noteworthy. Further details will be awaited in fut
Opus 4.7 Elevated Errors Under Investigation
Anthropic is investigating elevated errors related to Opus 4.7. This issue may impact users, necessitating prompt action. Further details are not yet available, so attention to future updates is requi
Elevated errors for Claude Opus 4.8
On May 29, 2026, elevated errors were reported for requests to Claude Opus 4.8 between 18:16 and 18:42 UTC. A fix has since been deployed, restoring success rates to normal. The prompt investigation i
Investigating Elevated Errors on Claude Opus 4.8
There are elevated error rates being reported for Claude Opus 4.8, and Anthropic is currently investigating this issue. This situation could impact user trust in the service, so prompt resolution is n
Billing and Subscription Management Issues Resolved for Claude Services
On May 28, 2026, billing and subscription management issues affecting Claude services were resolved. The problems occurred from 18:27 to 19:05 UTC. Users experienced errors when viewing subscription d
Investigating Increased Errors on Claude Opus 4.7
On May 28, 2026, Anthropic announced that it is investigating increased errors on Claude Opus 4.7. The specific impact and timeline for resolution have not yet been clarified, but it poses a significa
Investigating Elevated Errors on Claude Opus 4.7
Anthropic is currently investigating an increase in errors associated with Claude Opus 4.7. This issue may affect users, prompting the need for a swift response. More information and solutions are exp
Investigating Elevated Errors on Claude Opus 4.7
Anthropic is currently investigating an increase in errors observed in Claude Opus 4.7. This issue could impact the stability of the system, making it significant for users. The exact cause is still u
Investigating Elevated Errors for Claude Code in Slack
On May 26, 2026, Anthropic announced that they are investigating an issue with elevated errors for Claude Code in Slack. This issue may impact user experience, necessitating prompt resolution.
Elevated errors on Claude Opus 4.7
On May 22, 2026, elevated errors were reported on Anthropic's Claude Opus 4.7. The team is currently investigating the issue and has implemented a fix while monitoring the results. User impact is a co
Investigating Elevated Error Rate
Anthropic is currently investigating an issue related to an elevated error rate in their system. While the specific cause and impact details are unclear, it may affect users, warranting close attentio
Investigating Elevated Errors on Claude.ai
Anthropic has announced that it is investigating elevated errors affecting users of Claude.ai. Users are advised to await further updates regarding the specific impacts and resolution timelines. This
Investigating Elevated Errors on Claude Opus 4.7
On May 20, 2026, Anthropic announced that they are investigating increased errors on Claude Opus 4.7. This issue could affect users, and a prompt resolution is necessary.
Increased Errors on Claude Haiku 4.5
Anthropic has started investigating increased errors on the Claude Haiku 4.5 system. The specific cause or impact is currently unknown, but it may affect users. This information is important for devel
Investigating Elevated Errors on Claude Opus 4.7
Anthropic is currently investigating an increase in errors on Claude Opus 4.7. This issue may affect user experience, prompting a need for swift attention. Specific details regarding the cause or reso
Investigating Elevated Errors on Claude Haiku 4.5
On May 19, 2026, Anthropic is investigating elevated errors on Claude Haiku 4.5. This issue may impact user experience, necessitating prompt attention.
Elevated errors on Claude.ai and Claude Code login
On May 19, 2026, elevated errors and latency were observed in Claude.ai applications, causing login issues for users, including authentication with Claude Code. The issue has been resolved, and monito
Elevated errors on Claude Haiku 4.5
On May 18, 2026, Anthropic announced it is investigating elevated errors occurring on Claude Haiku 4.5. This issue could affect user experience, and resolution efforts are underway.
Elevated error rates on requests to multiple models
On May 16, 2026, Anthropic reported elevated error rates on requests to multiple models. The issue was investigated, a fix was implemented, and monitoring is currently in place. Such incidents can dir
Increased Error Rates on Opus Versions 4.6 and 4.7
On May 15, 2026, Anthropic announced ongoing investigations into elevated error rates on Opus versions 4.6 and 4.7. Users may experience impacts, necessitating close attention to the situation.
Investigating Elevated Errors for Claude Sonnet 4.6
On May 12, 2026, elevated errors were confirmed for requests to Claude Sonnet 4.6, and an investigation is currently underway. Updates will be provided as the situation develops.
Increased Errors on Claude Opus 4.1
On May 9, 2026, increased errors were identified on Claude Opus 4.1, and a fix is currently being implemented. Users may experience some impact, so caution is advised.
Elevated errors across Claude Models under investigation
Anthropic reported elevated error rates across all Claude models as of May 8, 2026 09:49 UTC and is currently investigating. No cause or estimated resolution time has been disclosed. API users and Cla
Connection Issues for Organizations Restricting GitHub Access
On May 6, 2026, Anthropic identified an issue affecting organizations that restrict GitHub access by IP address. A recent infrastructure change altered the IP addresses used for outbound connections t
Elevated errors across multiple models — issue identified, fix being implemented
Multiple Claude models experienced elevated error rates on May 6. Investigation began at 15:29 UTC; by 15:54 UTC the issue was identified and a fix was being implemented. Official status page announce
Elevated errors on Claude Opus 4.5 and Sonnet 4.5
Anthropic's status page reports elevated error rates affecting Claude Opus 4.5 and Sonnet 4.5. Investigation began at May 4, 13:59 UTC. Users relying on these models via API or Claude.ai may experienc
claude.ai and API unavailable
claude.ai and API services became unavailable on April 30, with investigation starting at 01:20 UTC, a fix implemented by 01:34 UTC, and full resolution confirmed by 01:51 UTC. Root cause details were
Claude.ai Unavailable and Increased Errors on the API
On April 28, 2026, Anthropic identified issues preventing access to Claude.ai and resulting in increased errors on the API, including login paths for Claude Code. They are working to resolve these iss
Elevated errors and slower responses on claude.ai — now resolved
On April 25, 2026, Anthropic reported elevated errors and slower responses on claude.ai via its official status page. Investigation began at 18:42 UTC and was marked resolved by 19:02 UTC. No detailed
Elevated errors on Claude Opus 4.7 — multiple brief outages confirmed and resolved
Anthropic reported elevated errors on Claude Opus 4.7 on Apr 24, 2026, with three brief outages between 2:53–3:36 PT. Each incident lasted 3–5 minutes. The issue was identified within ~20 minutes and
Elevated errors on Sonnet 4.6 — incident resolved
Anthropic experienced elevated error rates on Sonnet 4.6 on April 24. The incident was reported at 02:55 UTC, identified at 03:09 UTC, and a fix was implemented by 03:15 UTC. Full resolution was confi
Claude Sonnet 4.5 error spike resolved
Anthropic reported an error spike affecting Claude Sonnet 4.5 on April 20. The incident was detected at 06:14 UTC, with investigation underway. A fix was deployed at 06:38 UTC, and the company continu
Elevated errors on Claude.ai, API, Claude Code — incident resolved
On April 15, Anthropic experienced a major service outage affecting Claude.ai, Claude API, and Claude Code. The incident began at 14:53 UTC with elevated errors. The API recovered fully by 16:01 UTC,
Claude Code on the Web service disruption resolved after ~1 hour
Anthropic reported a service disruption affecting Claude Code on the Web and related products (Cowork Remote, Routines, Claude Code Mobile) on Aug 14, 2026. Degraded performance was observed from 23:4
Claude Sonnet 5 degraded performance resolved
Anthropic resolved a service incident affecting Claude Sonnet 5 on August 3. The company began investigating degraded performance at 15:13 UTC and confirmed full recovery by 15:20 UTC when error rates
Degraded performance on Claude Sonnet 5 under investigation
Anthropic reported degraded performance on Claude Sonnet 5 on July 31 and is currently investigating the issue. While specific causes and affected features are not detailed in the status update, users
Investigating Elevated Errors on Sonnet 5 and Haiku 4.5
Anthropic has announced that they are investigating an increase in errors on Sonnet 5 and Haiku 4.5. While specific details about the errors or their impact haven't been disclosed, this issue could po
Claude Code v2.1.199 — Multi-skill invocations and comprehensive bug fixes
Anthropic released Claude Code v2.1.199, improving multi-slash-skill invocation to load up to 5 leading skills simultaneously rather than just the first. The release fixes 30+ bugs spanning SSL/TLS ce
Elevated errors on Claude Opus 4.7
On May 19, 2026, increased errors were reported on Anthropic's Claude Opus 4.7, and the company is currently investigating the issue. This situation may impact users, requiring prompt attention.
Investigation into Elevated Error Rates on Claude.ai
Claude.ai is currently experiencing elevated error rates. The development team is continuing to investigate this issue and is working to minimize user impact. The latest updates can be checked on the
Elevated Error Rates at Claude.ai Resolved
Claude.ai recently experienced elevated error rates, but the issue has been resolved following an investigation. The team is currently monitoring the recovery status. Such errors can affect user exper
Elevated errors on Claude Opus 4.7 — incident resolved
Anthropic's status page reported elevated error rates on Claude Opus 4.7. The issue was identified at 23:38 UTC on May 12, a fix was implemented by 23:51 UTC, and full recovery was confirmed at 23:58
Elevated Error Rate for Vaults and Credentials — Now Resolved
Anthropic reported an incident with elevated error rates affecting Vaults and Credentials features on Claude. The issue was identified at 18:47 UTC on May 12, a fix was deployed at 18:51 UTC, and the
Claude Code IDE extension unable to load on Windows
An issue in Claude Code version 2.1.136 is preventing the IDE extension from loading on Windows. The issue has been identified, and a fix is being implemented. Updates will follow shortly.
Increased Errors on Claude Opus 4.5
On May 4, 2026, increased errors were identified in Claude Opus 4.5. The issue has been recognized, and a fix is being implemented. Users may be affected, and further updates are anticipated.
Increased errors on Claude Haiku 4.5
On April 29, 2026, increased errors were reported on Claude Haiku 4.5. Anthropic is currently investigating this issue, and detailed information will be provided later. Users may experience impacts on
Elevated errors on Claude Opus 4.7 — incident resolved
Anthropic reported elevated error rates on Claude Opus 4.7 on April 25. The issue was identified at 08:43 UTC, a fix was implemented and monitoring began at 08:57 UTC, and full resolution was confirme
status.claude.com Accessibility Issue Resolved
Anthropic's status page (status.claude.com) experienced an outage due to an invalid certificate issue. The problem was first reported on Aug 14 at 07:58 UTC and was fully resolved by 10:53 UTC. Users
Claude Code v2.1.228 Released: Session Stability and Security Enhancements
Anthropic's Claude Code is updated to v2.1.228 with 11 major bug fixes and improvements. Key updates include fixing interactive sessions freezing after rare layout errors, Git not being found on Windo