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Anthropic says these fallbacks occur in fewer than 5% of sessions, meaning most users will effectively interact with the full Mythos-class model during ordinary use. Early testing by security ...

Anthropic is releasing Claude Fable 5 for general users. Fable 5 uses Mythos-class power with safety controls. Pricing is about twice that of Claude Opus 4.8. Anthropic has announced a defanged ...

Anthropic Tuesday publicly released Claude Fable 5, its first “Mythos-class” model that it says surpasses its previous frontier Opus models in overall capabilities. But the model’s launch today comes ...

For developers, Fable 5 is available through the Claude API as claude-fable-5. Anthropic says Fable 5 is fully available today on the Claude API and on consumption-based Enterprise plans. For ...

Anthropic launched Claude Fable 5 on June 9, 2026, calling it the most capable model it has ever released to the general public. Alongside it, the company released Claude Mythos 5 for a small group of ...

AI company restricted access to Fable 5, its most powerful Mythos model, for months over cybersecurity concerns Anthropic, the maker of the Claude artificial intelligence (AI) models, made a new ...

Google just launched a wave of new Gemini and Classroom AI tools. Here's what's new, what the trial evidence shows, and what ...

Distant galaxies that abruptly stopped making stars have puzzled astronomers for years. About 9 billion years ago, during one ...

The Commodity Futures Trading Commission (the CFTC or Commission) issued a notice of proposed rulemaking on June 10, 2026, seeking public comment ...

The court upheld state laws in West Virginia and Idaho barring the participation of transgender female athletes from girls’ ...