GLM-5.3-Flash vs GPT-6.1 Sol (Low)
Which is better for the money: GLM-5.3-Flash by Z AI or GPT-6.1 Sol (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-6.1 Sol (Low)
GPT-6.1 Sol (Low) vs GLM-5.3-Flash: 0.7% more intelligence, 18.0% less cost to run the AA benchmark, and 67.6% faster end-to-end.
| Metric | GLM-5.3-Flash | GPT-6.1 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 42.1 | +0.7% GPT-6.1 Sol (Low) is 0.7% more intelligent |
| Total AA cost (lower is better) | $305.52 | $250.48 | −18.0% GPT-6.1 Sol (Low) is 18.0% cheaper |
| End-to-end time (lower is better) | 37.79s | 12.25s | −67.6% GPT-6.1 Sol (Low) is 67.6% faster |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
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-6.1 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-6.1 Sol (Low)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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