GLM-5.2 (Max) vs GPT-6 Astra (High)
Which is better for the money: GLM-5.2 (Max) by Z AI or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (High) scores 17.2 points higher (50.9 vs 33.7) but costs 1.4× as much to run the benchmark ($2925 vs $2097; both flagship class). Pick GPT-6 Astra (High) when the extra intelligence is worth the premium, otherwise GLM-5.2 (Max).
| Metric | GLM-5.2 (Max) | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.7 | 50.9 | +51.0% GPT-6 Astra (High) is 51.0% more intelligent |
| Total AA cost (lower is better) | $2,097.29 | $2,925.01 | +39.5% GPT-6 Astra (High) is 39.5% more expensive |
| End-to-end time (lower is better) | 28.14s | 49.71s | +76.7% GPT-6 Astra (High) is 76.7% slower |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $10.0 / $50.0 | |
| Input modalities | Text | Text, Image |
GPT-6 Astra (High) vs GLM-5.2 (Max): 51.0% more intelligence, 39.5% more cost to run the AA benchmark, and 76.7% slower 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-6 Astra (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
GLM-5.2 (Max)GPT-6 Astra (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-6-astra-high · Markdown: /api/v1/compare/glm-5-2/gpt-6-astra-high?format=md · llms.txt · agent skill