Zhipu releases open-source GLM-5.2, focused on coding and long-horizon tasks

GLM-5.2 上线并开源：专注 Coding 与长程任务

Zhipu released and open-sourced GLM-5.2, scoring 51 on the Artificial Analysis composite leaderboard—top three alongside Anthropic and OpenAI. It ranked first among globally available models in the Code Arena front-end dev blind test. The headline upgrade is solid 1M lossless context for long-horizon tasks: the model handled an 880K-token multi-platform app pipeline in one go and scored only 1% below Claude Opus 4.8 on FrontierSWE. Developers report more stable project-level context and fewer derailments on complex tasks. It runs on domestic hardware including Huawei Ascend and Cambricon, and is released under the MIT license for commercial use.

Why it matters: Zhipu released GLM-5.2 as open-source under MIT license, scoring 51 on Artificial Analysis alongside Anthropic and OpenAI, and #1 on Code Arena for frontend dev. The core upgrade is solid 1M lossless context, with long-horizon benchmarks landing between Claude Opus 4.7 and 4.8...