GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
Z.ai: GLM 5.2 — Z.ai. Context window 1,048,576 tokens. API pricing (per 1M tokens): Input $0.104, Output $8. License: Proprietary. LMArena 1,470. GPQA Diamond 91.9%.
| Provider | Z.ai |
|---|---|
| API model ID | z-ai/glm-5.2 |
| Tier | Frontier |
| Context window | 1,048,576 tokens |
| Max output | 131,072 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $0.104 |
| API pricing (per 1M tokens) · Output | $8 |
| LMArena | 1,470 (glm-5.2-max) |
| GPQA Diamond | 91.9% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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