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

Claude Fable 5.1 is here with stronger reasoning and agentic capabilities — here’s what’s new and why Anthropic’s latest AI ...

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

GPT-6 Astra and Claude Fable 5.1 have identical API prices but very different strengths, costs and benchmark results. Here’s ...

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 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 ...

Claude Fable 5.1 reduces repeat input costs by 75% to $0.25 per million tokens, but strict 5-minute caching rules might ...

Anthropic Mythos 5.1 and Fable 5.1 models improve AI knowledge work and drop task costs by up to 45%, but users report ...

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

Anthropic has released Claude Fable 5.1 and Mythos 5.1, addressing issues such as performance, data retention, safeguards and ...

Anthropic introduces Claude Fable 5.1 with a million-token context window, adaptive thinking, and cheaper prompt cache ...