Anthropic Unveils Claude Fable 5.2 and Mythos 5.2 AI Models with Enhanced Speed, Coding, and Safety Features

Covered by 19 sources
Read onThe Verge· 2 min
Anthropic released Claude Fable 5.2 and Mythos 5.2, advancing AI capabilities in coding, reasoning, and vision with faster, more cost-effective performance. Fable 5.2 is publicly available with strong safeguards, while Mythos 5.2 is limited to vetted partners in cybersecurity and biomedical fields. The launch precedes Anthropic's planned IPO targeting up to $1.5 trillion valuation.

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What happened

Anthropic has released Claude Fable 5.2 on AI Gateway, making the updated model available to users. This new version offers improvements in coding, reasoning, and vision tasks, and delivers results more quickly than previous versions. The launch also includes enhanced support for long and complex assignments, as well as new safety features. Data retention policies are in place for users accessing the model.

Key details

  • Claude Fable 5.2 is now accessible on AI Gateway.
  • The model includes cybersecurity and biology safety classifiers.
  • Output speed is up to 30% faster compared to earlier versions.
  • There is a 20% price reduction for Claude Fable 5.2.
  • The model can handle tasks such as solving physics problems, aiding software migrations, and generating multimedia content.

Why it matters

Developers and organizations using AI Gateway now have access to a faster and more cost-effective model for complex coding and reasoning tasks. The addition of safety classifiers and data retention policies addresses compliance and risk management needs for enterprise users. These changes can lower operational costs and improve productivity for teams relying on advanced AI capabilities.


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