Zhipu AI open-sources GLM-5.2 model with 1M context, tops Code Arena for available models globally

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AI summary

On June 17, Zhipu AI released and open-sourced the GLM-5.2 model. According to VentureBeat, the 753-billion parameter model is claimed to be the top-ranked globally available model on the Code Arena benchmark, integrating 1 million tokens of lossless context. The company states the model is optimized for long-context tasks and coding performance.

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Key facts

GLM-5.2 is an open-source model released by Z.ai (formerly Zhipu AI).Confirmed by multiple sources · IT之家, VentureBeat
The model has 753 billion parameters and supports a 1M token context window.Confirmed by multiple sources · IT之家, VentureBeat
On the Code Arena benchmark, GLM-5.2 achieved the highest rank among globally available models.Reported by a single source · IT之家
GLM-5.2 outperforms GPT-5.5 on multiple long-horizon coding benchmarks at a fraction of the cost.Reported by a single source · VentureBeat
The model is available on Hugging Face, the Z.ai API, and over 20 third-party coding environments.Reported by a single source · VentureBeat
GLM-5.2 is optimized to run on domestic Chinese computing platforms from day zero.Reported by a single source · IT之家