Z.ai
GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow...
GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks.
43.7
Quality Score
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Arena ELO
1M
Parameters
1M
Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
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Jun 2026
Released
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
zai-org/GLM-5.2 · Hugging Face
Z.ai published benchmark or leaderboard evidence for GLM-5.2.
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