Zhipu AI (02513.HK) has announced the release of its new flagship model, GLM-5.1, with a 10% price increase. According to Jin10, this model is the only open-source model capable of sustaining operations for eight hours. In the SWE-bench Pro benchmark test, which closely simulates real software development, GLM-5.1 became the first domestic model to surpass Opus 4.6. OpenRouter indicates that with this release, Zhipu AI has again raised the price of its GLM model by 10%. Following the price adjustment, the token price for cache hits in the Coding scenario of GLM-5.1 is now comparable to that of Claude Sonnet 4.6 by Anthropic. This marks the first time a domestic large model has achieved price parity with leading overseas manufacturers in core scenarios.