GLM-5.3 (Max) vs GPT-5.6 Sol (High)
Which is better for the money: GLM-5.3 (Max) by Z AI or GPT-5.6 Sol (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
GLM-5.3 (Max) scores 2.5 points higher (44.8 vs 42.3) but costs 1.7× as much to run the benchmark ($2503 vs $1487; flagship vs premium cost classes). Pick GLM-5.3 (Max) when the extra intelligence is worth the premium, otherwise GPT-5.6 Sol (High).
| Metric | GLM-5.3 (Max) | GPT-5.6 Sol (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.8 | 42.3 | −5.6% GPT-5.6 Sol (High) is 5.6% less intelligent |
| Total AA cost (lower is better) | $2,503.48 | $1,487.34 | −40.6% GPT-5.6 Sol (High) is 40.6% cheaper |
| End-to-end time (lower is better) | 28.73s | 13.86s | −51.8% GPT-5.6 Sol (High) is 51.8% faster |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $4.00 / $20.0 | |
| Input modalities | Text | Text, Image |
GPT-5.6 Sol (High) vs GLM-5.3 (Max): 5.6% less intelligence, 40.6% less cost to run the AA benchmark, and 51.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.3 (Max) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- GPT-5.6 Sol (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GLM-5.3 (Max)GPT-5.6 Sol (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-5-3/gpt-5-6-sol-high · Markdown: /api/v1/compare/glm-5-3/gpt-5-6-sol-high?format=md · llms.txt · agent skill