Z.ai launches GLM-5.2 with 1M context and open-source license

Z.ai has released GLM-5.2, a new flagship model designed for long-horizon tasks, featuring a 1 million token context window. The model boasts improved coding capabilities with adjustable effort levels and an enhanced architecture called IndexShare, which reduces computational cost for long contexts. GLM-5.2 is released under an MIT open-source license, allowing for unrestricted global access and technical use. AI

IMPACT Sets a new standard for long-context models and open-source accessibility, potentially accelerating research and development in complex, long-horizon AI tasks.

RANK_REASON Model release from a frontier lab with system card and technical details. [lever_c_demoted from frontier_release: ic=2 ai=1.0]

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• zai-org/GLM-5.2
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