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

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

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

Anthropic's Claude Fable 5.1 and OpenAI's GPT-6 Astra widen the proprietary AI lead in web development to nearly 1,800 points ...

Anthropic launched Claude Fable 5.1 and Mythos 5.1, offering stronger coding and research performance alongside a 75% cut to ...

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 ...

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

Fable 5.1 will cost an estimated 25% less than Fable 5 for typical workloads, wherever usage is billed by token. This is ...

Anthropic's new Claude Fable 5.1 cuts cache read costs by 75% for agentic tasks, but high input and output token rates keep ...

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

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

Mythos 5.1 is also launching in Project Glasswing.