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AI News · 3 min read

Anthropic's Fable 5.1 Tops Global Coding Benchmark at 38.8%, Ahead of GPT-6 Astra

Anthropic's Fable 5.1 now leads the SWE-bench coding benchmark at 38.8% — the first time Anthropic has held the top coding position against OpenAI and Google.

Sep 14

AI News · 3 min read

Stanford AI Index 2026: SWE-Bench Hits Near-100%, US-China Gap Closes, AI Transparency Drops

Frontier AI models now solve real software engineering tasks with near-perfect accuracy — but the same report finds leading AI systems are disclosing less about how they work than ever before.

Apr 24

Security & Privacy · 4 min read

Anthropic Built Its Most Capable AI Model Ever — Then Locked It Away

Anthropic's Claude Mythos Preview scored 93.9% on SWE-bench but found tens of thousands of zero-days — so the company restricted it to 50 organizations under Project Glasswing.

Apr 14