GLM-5.2 (Max) vs GPT-5.5 (High)
Which is better for the money: GLM-5.2 (Max) by Z AI or GPT-5.5 (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-5.5 (High) scores 3.3 points higher (37.0 vs 33.7) but costs 1.6× as much to run the benchmark ($3411 vs $2097; both flagship class). Pick GPT-5.5 (High) when the extra intelligence is worth the premium, otherwise GLM-5.2 (Max).
| Metric | GLM-5.2 (Max) | GPT-5.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.7 | 37.0 | +9.8% GPT-5.5 (High) is 9.8% more intelligent |
| Total AA cost (lower is better) | $2,097.29 | $3,410.76 | +62.6% GPT-5.5 (High) is 62.6% more expensive |
| End-to-end time (lower is better) | 30.10s | 19.79s | −34.3% GPT-5.5 (High) is 34.3% faster |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $5.00 / $30.0 | |
| Input modalities | Text | Text, Image |
GPT-5.5 (High) vs GLM-5.2 (Max): 9.8% more intelligence, 62.6% more cost to run the AA benchmark, and 34.3% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.2 (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-5.5 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
GLM-5.2 (Max)GPT-5.5 (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-2/gpt-5-5-high · Markdown: /api/v1/compare/glm-5-2/gpt-5-5-high?format=md · llms.txt · agent skill