China’s Kimi K3 Is Out—And Beats Claude Fable and GPT 5.6 Sol on Key Benchmarks

Moonshot AI released Kimi K3, a 2.8-trillion-parameter model that outperforms Claude Fable 5 on a creative writing benchmark and leads Arena AI's frontend code leaderboard. The model is priced at Claude Sonnet levels. Kimi K3 also beats GPT 5.6 Sol on key benchmarks, marking a competitive advance in AI.