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Claude Mythos 5.2

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Headlines · 4

  1. Anthropic launches Claude Fable 5.2 and Mythos 5.2

    TestingCatalog reports that Anthropic launched Claude Fable 5.2 and Claude Mythos 5.2, two models built on the same underlying system for demanding technical work. Fable includes cyber and biology safeguards and is available through Claude platforms, AWS, Google Cloud and Microsoft Azure, while vetted cybersecurity and life-sciences organizations can apply for Mythos through verification programs. Anthropic says the models improve coding, reasoning and vision, with standard pricing set at $8 per million input tokens and $40 per million output tokens.

    IT之家 AI · 🔥 39
  2. Early-access Reddit user reports faster, cheaper Fable 5.2

    A Reddit user who received early access to Fable 5.2 reported faster output, fewer blocks, and lower API pricing, but skipped formal benchmarks and provided only personal observations. The reviewer cited Anthropic's claims that output is up to 30% faster than Fable 5.1, medium-effort hard tasks use fewer tokens, and a fast mode can reach 2.5x; their perceived speed broadly matched the 30% claim. They also said the model priced at $8 per million input tokens and $40 per million output tokens, and successfully diagnosed a broken webpage from a screenshot.

    r/ClaudeAI · 🔥 4
  3. Anthropic Unveils New Fable and Mythos Models Before Planned IPO

    Anthropic unveiled new versions of its Mythos and Fable AI models ahead of its planned Wall Street debut. The release was described as an effort to strengthen the company’s position as a leader in AI development.

    Bloomberg Technology · 🔥 9
  4. Anthropic Releases Claude Fable 5.2 and Mythos 5.2

    Anthropic released Claude Fable 5.2 and Claude Mythos 5.2, describing them as best suited to ambitious, open-ended technical work. The Verge reported that Fable 5.2 was available immediately. Anthropic set pricing at $8 per million input tokens and $40 per million output tokens. During prerelease testing, Anthropic says the models formalized a proof of Fermat's Last Theorem and solved two open black-hole physics problems.

    AWS Machine Learning Blog · 🔥 75

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