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

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

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

GPT-6 Astra vs Fable 5.1 tests reveal Astra wins 10 of 15 real-world use cases. We spent 100 hours comparing performance, ...

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 ...

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

It's only the first day of September 2026, but the month and fall season are already off to the races in AI land, as Anthropic has just released its latest and most powerful large language models yet ...

Astra vs Fable 5.1 compares the top AI website builders across 50 one-shot prompt tests to reveal which model delivers the ...

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

Anthropic's Claude Fable 5.1 reaches 90% ARC-AGI-2 coverage at 32% lower cost per task, with major gains on science and terminal benchmarks.

Anthropic has introduced Claude Fable 5.1 and Claude Mythos 5.1, based on the same underlying model with different safeguard levels. Fable 5.1 is for general use, while Mythos 5.1 is aimed at vetted ...

Claude Fable 5.1 system card reveals a publicly available AI that outperforms the formerly restricted Mythos Preview on ...