Moonshot AI’s 2.8T‑parameter Kimi K3 challenges OpenAI and Anthropic
Moonshot AI released Kimi K3, a 2.8‑trillion‑parameter mixture‑of‑experts model with a 1‑million‑token context window and native vision. It’s the largest open‑weight LLM ever and matches top U.S. systems on several benchmarks, putting China squarely in the frontier‑model race.