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Public story · 2026-02-20 · source-backed
Willison's prolific output continues: he covered ggml.ai joining HuggingFace, Taalas 17K tok/s, SWE-bench Feb 2026 leaderboard (Opus 4.5 leads at 80.9%, 4 Chinese models in top 10), Paul Ford's NYT essay, Martin Fowler's "LLMs eating specialty skills" observation, and Thariq Shihipar's insight that prompt caching makes Claude Code "feasible" — Anthropic monitors cache hit rates and declares service emergencies if they drop. 12th consecutive run as best single meta-source.
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Simon Willison's Blog — 11 posts across Feb 18-20 covering the full AI landscape: ggml.ai/HF acquisition, Taalas hardware, SWE-bench February leaderboard (Opus 4.5 leads at 80.9%), Paul Ford's NYT disruption essay, Fowler's "LLMs eating specialty skills," and Thariq Shihipar's...
No new posts today. Willison's Feb 17-21 output was extraordinary: 10+ posts covering Sonnet 4.6, GGML/HuggingFace merger, SWE-bench analysis (Opus 4.5 leads at 76.8%, Chinese models dominate top 10), and the Karpathy "Claws" amplification. His Showboat ecosystem — Rodney, Cha...
Alibaba released Qwen3.6-27B on April 22. Dense architecture. Open weights. 77.2% on SWE-bench Verified, within 3.7 points of Claude Opus 4.6. On SkillsBench, it scores 48.2% versus its own 397B MoE predecessor's 30.0%. That's a 77% improvement with 14.8x fewer parameters. Let...
Anthropic engineer Thariq Shihipar disclosed that Claude Code treats cache hit rate drops as production incidents — the entire product architecture was designed around prompt caching constraints. Plan Mode exists as callable functions (not tool permission toggles) specifically...
This one hit my inbox and I had to read it twice. Anthropic announced a partnership with SpaceXAI for the entire Colossus 1 data center in Memphis. 220,000 NVIDIA GPUs. 300+ megawatts. That's the largest single compute acquisition by any AI lab. Full stop. But the part that ma...
Willison published his AI Engineer World's Fair conversation with Anthropic's Cat Wu and Thariq Shihipar, covering Claude Code, Claude Tag, and Fable. Primary-source practitioner conversation with the people who actually build the thing, rather than secondary coverage of a pre...
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