Claude

207 summarised stories about Claude, each linking back to the original source. Browse all topics →

Key players

Anthropic Claude OpenAI Claude Opus 5.5 Claude Sonnet 5 Claude Opus 5

Saturday, 5 September 2026

Claude Mythos 5.1 and Fable 5.1: Capabilities

Zvi (Don't Worry About the Vase) 1 month ago 23 ● 5 sources

Claude Fable 5.1 was released alongside discussion of its relative capabilities versus other leading models like GPT-6 Astra. Cache reads on Fable 5.1 are priced at $0.25 per million tokens, down from $1. As a result, users get lower per-token costs, fewer safeguard interventions, optional zero data retention for eligible customers, and improved performance across multiple coding and agentic benchmarks.

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AI Agents & Workflows Model Release AI Coding Agents Claude

Anthropic uses Claude to formalize proof of Fermat’s Last Theorem

SiliconANGLE 1 month ago 40

Anthropic used Claude to turn Andrew Wiles’ Fermat’s Last Theorem proof into computer-verifiable Lean code. The formalization consists of 13 million lines of Lean code and was completed in 11 days. The result is a large Lean proof file that can be checked automatically by computers, reducing human-error risk and easing sharing.

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Anthropic Claude Model Evaluation AI & Academia

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