Anthropic’s Mythos Is Coming Today - The information
Summary
Anthropic is releasing Mythos today, along with a neutered version called Claude Fable that costs 2x the price of Opus, less than the initial Mythos pricing of 5x Opus.
Similar Articles
Anthropic releases its first Mythos-class model Claude Fable
Anthropic announced Claude Fable 5, its most powerful widely available AI model, part of the Mythos class previously considered too dangerous for public release. The model features new safeguards that fall back to Opus 4.8 in high-risk areas.
Anthropic Says Mythos Isn’t Public Yet. ‘Mythos 1’ Keeps Appearing Anyway.
Despite Anthropic stating that its powerful Mythos model would remain restricted, users have repeatedly spotted 'Mythos 1' in the Claude Code interface and in source code, suggesting an unannounced staged rollout or quiet production testing.
Anthropic’s Claude Fable 5 is a version of Mythos the public can access today
Anthropic launched Claude Fable 5, a publicly accessible version of its powerful Mythos model, with safety guardrails that block responses in high-risk areas and fall back to a weaker model. The release follows Anthropic's warning about AI becoming too dangerous and its push for coordinated safety measures.
Initial impressions of Claude Fable 5
Claude Fable 5 and Claude Mythos 5 have been released by Anthropic, offering a 1 million token context window and doubled pricing compared to Opus 4.8. Fable 5 includes strict safety guardrails, while Mythos 5 lacks them. Initial impressions describe it as a powerful and capable model.
Anthropic Offers Mythos Upgrade for Cyber Partners and a ‘Safe’ Version for the Rest of You
Anthropic released Claude Fable 5 (public with guardrails) and Claude Mythos 5 (limited to partners), offering advanced cybersecurity capabilities while restricting access to prevent misuse.