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🟠 Important AI Summary · Source: Anthropic News

Claude Fable 5 is here! Offering state-of-the-art AI capabilities for general use. Don't miss the Mythos 5 for select groups.

Launch of Claude Fable 5 and Claude Mythos 5

Original: Claude Fable 5 and Claude Mythos 5

Importance: 新モデルの発表は多くのユーザーに影響を与えるため。

Summary

Anthropic has launched Claude Fable 5, a Mythos-class model made safe for general use. This model excels in nearly all AI capability benchmarks, particularly in software engineering, knowledge work, and scientific research. Simultaneously, Claude Mythos 5 was introduced to mitigate cybersecurity risks, initially available to select groups in collaboration with the U.S. government. Both models are priced at $10 and $50 per million tokens, respectively, less than half the cost of Claude Mythos Preview.

Key Points

  • Claude Fable 5 offers state-of-the-art performance
  • Mythos 5 is targeted at specific groups
  • Pricing is offered at half the cost
  • Proven results in software engineering
  • Designed with cybersecurity considerations
View developer notes (APIs, breaking changes, migration)

Claude Fable 5, a Mythos-class model, has been made safe for general use. It excels in software engineering, completing a migration of a 50-million-line Ruby codebase in just one day, a task that would normally take two months. Claude Mythos 5 shares the same underlying model but lifts some safeguards for select areas, initially provided through Project Glasswing in collaboration with the U.S. government. The models are priced at $10 per million input tokens and $50 per million output tokens, less than half the price of Claude Mythos Preview. Fable 5 shows significant autonomy for longer tasks and achieves top scores in complex analytical tasks.

モデル安全性/研究価格Audience: 一般ユーザーAudience: 開発者

Source: https://www.anthropic.com/news/claude-fable-5-mythos-5

Outlet: Anthropic News

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