Claude Opus 4.8 vs GLM-5.2
Claude Opus 4.8 (Anthropic) 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 $5.00 per 1M.
- GLM-5.2 has a larger context window (1M vs 1M tokens).
- Claude Opus 4.8 ranks higher for coding (93th vs 91th 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, Claude Opus 4.8 or GLM-5.2?
GLM-5.2 is cheaper on input tokens at $0.95 per million, versus $5.00 (representative OpenRouter pricing).
Which has a larger context window, Claude Opus 4.8 or GLM-5.2?
GLM-5.2 supports up to 1M tokens, compared with 1M for the other.
Which is better for coding, Claude Opus 4.8 or GLM-5.2?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Opus 4.8 ranks higher — 93th vs 91th 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.