Claude Code 2.1.170 introduces Claude Fable 5 Mythos-class model

Claude Code Changelog

Claude Fable 5 is a Mythos-class model with 1M context by default. Its capabilities exceed those of any previous generally available Anthropic model. It is now accessible via Claude Code 2.1.170.

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v2.1.170via Claude Code Releases9 days ago

Introducing Claude Fable 59 days agoAnthropic

Claude Fable 5 and new AI safety fables8 days agoNathan Lambert

Nine Things About Claude Mythos 5 That Matter If You’re Not an Enterprise Customer8 days agoAlberto Romero

Claude Fable 5 cost ~$6.2K to run the Artificial Analysis Intelligence Index benchmarks - the most...19 hours agoArtificial Analysis

Claude Code 2.1.169 has been released. 30 CLI changes Highlights: • Added --safe-mode flag and...9 days agoClaude Code Log

Claude Code 2.1.170 has been released. 2 CLI changes Highlights: • Claude Fable 5: a more-capable...9 days agoClaude Code Log

Anthropic’s new Mythos-class model is 3x cheaper than OpenAI’s best model. And it beats it on...8 days agoVaibhav Sisinty

Claude Fable 5 now available on AI Gateway9 days agoJerilyn Zheng

Claude Fable 5 vs GPT 5.5: Which Frontier Model Wins for Agentic Coding?2 days agoMindStudio Team

Anthropic Releases Claude Fable 5 and Claude Mythos 5: Same Underlying Model, Different Safeguards, New Mythos-Class Tier8 days agoAsif Razzaq

Claude Fable 5 vs GPT 5.5: Which Frontier Model Wins for Agentic Work?2 days agoMindStudio Team

Anthropic releases Claude Fable 5 and Claude Mythos 59 days agoBuildwithVigneshDiscuss

Claude Mythos/Fable 5 Benchmarks9 days agoreddit4jonasDiscuss

Claude Code Changelog

8 days ago