Zhipu AI's GLM-5.1 Tops SWE-Bench Pro, Outperforming GPT-5.4 and Claude Opus 4.6

Summary

Chinese AI lab Zhipu AI has reportedly achieved the top ranking on SWE-Bench Pro — a benchmark measuring real-world software engineering capability — with its GLM-5.1 model, surpassing OpenAI's GPT-5.4 and Anthropic's Claude Opus 4.6. The result signals a significant competitive milestone for Chinese foundation model developers, demonstrating that non-US labs are closing or eliminating the gap on coding and agentic software engineering tasks. This development is particularly notable in the cont