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Dev · simonwillison.net · Friday, 17 July 2026

Moonshot’s 2.8 T‑parameter Kimi K3 lands; the pelican test still matters

Moonshot AI launched Kimi K3, a 2.8‑trillion‑parameter “open 3T‑class” model, priced like Anthropic’s Claude and slated for open weights by July 27. Benchmarks put it ahead of Chinese rivals and atop Arena.ai’s Front‑end Code arena; a revived pelican‑riding‑a‑bicycle test shows cheap multi‑modal output and that odd prompts still expose real model strength.

Read the source: simonwillison.net ↗In the 17 July issue →