Kimi K3 vs DeepSeek V4 Pro vs GLM-5.2: Open Trillion-Scale MoE Models Compared on Benchmarks, License, and Serving Cost

Three Chinese labs now hold the top of the open-weight leaderboard, with Moonshot's Kimi K3, DeepSeek V4 Pro, and Zhipu AI's GLM-5.2 models all targeting long-horizon coding and agent workloads. Kimi K3 leads on measured capability, while DeepSeek V4 Pro is competitive on isolated coding tasks and GLM-5.2 trails K3 but remains a capable open-weight option.