Moonshot AI's Kimi K3 beats Claude Fable and GPT-5 Sol on key benchmarks

Chinese startup Moonshot AI has 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 rates, making it a cost-competitive rival to leading Western AI models.