I put Fable 5.1 through its paces after its big comeback. The upgrades are impressive, but my subscription is staying right ...

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

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

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 ...

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

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

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

The new AI models could help users handle complex coding tasks, research problems and knowledge work more efficiently, while ...

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

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 ...