Anthropic's Fable 5 model is once again available for use, the company said today. Claude users are now seeing the option to use Fable 5, with Anthropic rolling out an in-app message.
Through July 7, eligible Claude subscribers can use up to 50 percent of their plan's weekly usage limit on Fable 5. After hitting that limit, Fable 5 use will require credits. After July 7, Fable will be available through usage credits.
Fable 5 is Anthropic's first Mythos-class model that's available for the public, and it first came out on June 9. Fable 5's capabilities exceed those of any model it has made generally available, and it has demonstrated "exceptional performance" for software engineering, knowledge work, vision, scientific research, and more. It outperforms Opus models on longer, more complex tasks. Fable 5 can work autonomously for longer than any prior Claude model.
Though Anthropic released Fable 5 with conservative safeguards to prevent misuse, the Trump administration applie
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