Fable 5 is a nerfed version of Anthropic's Mythos model. Turns out it was actually too nerfed, and the company is sorry.

Anthropic launched Claude Fable 5 on Tuesday, a Mythos-class model with safeguards blocking cybersecurity and biology queries, priced at $10 per million input tokens.

Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardrails that block responses in high-risk areas like…

Anthropic first announced Mythos in April, which it called a "step change" in capabilities, but opted to tightly control its rollout.

Claude Fable 5 brings Mythos-class AI coding power to general users, but with cybersecurity guardrails, fallback models, and pricing that could make developers think twice.

The leading AI company says the new model is similar to the Mythos model previewed in April but safe for general use.

The new model, called Fable 5, has capabilities that “exceed those of every model we’ve previously made generally available,” according to Anthropic.

Fable 5 includes safeguards to help protect against hacking and bio-terrorism.

Anthropic launched Claude Fable 5 with safeguards for high risk tasks while limiting Mythos 5 to trusted cyber partners.

Anthropic said it could not yet release the full Claude Mythos 5 model, so instead it created Fable 5 with baked in safeguards.

As AI models get more powerful, there’s also going to be a level of danger. Anthropic announced Mythos not long...

‘Fable 5’ is the same system as controversial Mythos but comes with safeguards

Anthropic launched Claude Fable 5, its most capable consumer-facing AI model to date, but with a few guardrails.

Anthropic's most powerful model is now publicly available.

New frontier model refuses cybersecurity, biology, and chemistry queries.

Company also changes data retention policy

Company also changes data retention policy

Anthropic released its first Mythos-class model to the general public, Fable 5. The model has the power of Mythos, with strict guardrails for safety.

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AI company restricted access to Fable 5, its most powerful Mythos model, for months over cybersecurity concerns

Anthropic dropped two models today. Most people are focused on the wrong one. What...