Anthropic’s Fable 5.1 keeps headline prices flat but cuts cache reads 75%, making agentic AI cheaper and potentially driving ...

Anthropic always talks about how incredible Claude Fable and Claude Mythos are, and marketing is the biggest reason for the ...

Anthropic slashed prices, dropped the aggressive censorship, and reclaimed the benchmark crown—yet Fable 5.1 still can't ...

Anthropic has cut a Fable 5.1 cache hit to just $0.25 on input, down from $1.00 for Fable 5. That's also just 2.5% of Fable's ...

Artificial intelligence company Anthropic announced the launch of Claude Fable 5.1 and Claude Mythos 5.1, describing them as the world's most advanced models for coding and knowledge work.

Fable 5.1 arrives with lower prices and tighter safeguards, days after reports of AI agents going rogue during security tests ...

Fable 5.1 leads in external benchmarks, while Mythos 5.1 is designed to handle more cyber tasks with loosened safety ...

Mythos 5.1 is also launching in Project Glasswing.

Anthropic launches Claude Fable 5.1 and Mythos 5.1 for coding and research, cutting costs up to 45% and tightening safety ...

Fable 5.1 is the broadly available version, with safeguards that block some high-risk work in cybersecurity and scientific ...

Fable 5.1 and its restricted sibling Mythos 5.1 arrive three months after export controls forced Anthropic to pull Fable 5 ...

Anthropic launched Claude Fable 5.1 with doubled science scores and a new block on AI distillation. Can it stop copycats?