GLM-5.1 vs GLM-5.2
GLM-5.1 (Z.ai (Zhipu AI)) and GLM-5.2 (Z.ai (Zhipu AI)) compared on benchmarks, pricing, context window, and use-case rankings.
- GLM-5.2 is cheaper on input tokens — $0.95 vs $0.98 per 1M.
- GLM-5.2 has a larger context window (1M vs 203K tokens).
- GLM-5.2 ranks higher for coding (91th vs 65th percentile).
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, GLM-5.1 or GLM-5.2?
GLM-5.2 is cheaper on input tokens at $0.95 per million, versus $0.98 (representative OpenRouter pricing).
Which has a larger context window, GLM-5.1 or GLM-5.2?
GLM-5.2 supports up to 1M tokens, compared with 203K for the other.
Which is better for coding, GLM-5.1 or GLM-5.2?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, GLM-5.2 ranks higher — 91th vs 65th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.