Frontier Line and access · releases
Anthropic released Claude Fable 5.1 broadly and Claude Mythos 5.1 to vetted organizations.
Anthropic shipped Claude Fable 5.1 and claims it more than doubles its predecessor on a key coding and knowledge-work benchmark.
Read the original at tech.yahoo.comOpens the publisher's site in a new tabAlso covering this
Anthropic launches Fable 5.1 as AI security worries mountmashable.com, Sep 1What's new in Claude Fable 5.1 - Claude Platform Docsanthropic.com, Sep 1Why Claude switched models in your conversation with Fable 5 or Fable 5.1 | Anthropic Help Centeranthropic.com, Sep 1Claude Fable 5.1 system prompts - Claude Platform Docsplatform.claude.com, Sep 1Migrating to Claude Fable 5.1 and Claude Mythos 5.1 - Claude Platform Docsplatform.claude.com, Sep 1Claude Fable 5.1 Is Out: What Changed, What Broke, and What the Rumor Mill Got Wrongroo.beehiiv.com, Sep 1Anthropic's Claude Fable 5.1 and Mythos 5.1 arrive with a 75% cost reduction for Fable cache reads | VentureBeatopenai.com, Sep 1Anthropic's Fable 5.1 is a bit cheaper, a bit smarter, and refuses a lot less - The New Stackthenewstack.io, Sep 1
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