GLM-5.3-Flash vs GPT-6 Sol (Low)
Which is better for the money: GLM-5.3-Flash by Z AI or GPT-6 Sol (Low) 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
GLM-5.3-Flash scores 7.6 points higher (41.8 vs 34.2) but costs 1.1× as much to run the benchmark ($306 vs $269; both mid-range class). Pick GLM-5.3-Flash when the extra intelligence is worth the premium, otherwise GPT-6 Sol (Low).
| Metric | GLM-5.3-Flash | GPT-6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 34.2 | −18.2% GPT-6 Sol (Low) is 18.2% less intelligent |
| Total AA cost (lower is better) | $305.52 | $268.73 | −12.0% GPT-6 Sol (Low) is 12.0% cheaper |
| End-to-end time (lower is better) | 39.33s | 6.34s | −83.9% GPT-6 Sol (Low) is 83.9% faster |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Low) vs GLM-5.3-Flash: 18.2% less intelligence, 12.0% less cost to run the AA benchmark, and 83.9% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.3-Flash is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-6 Sol (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GLM-5.3-FlashGPT-6 Sol (Low)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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