GLM-5.3-Flash vs GPT-5.6 Sol (Medium)
Which is better for the money: GLM-5.3-Flash by Z AI or GPT-5.6 Sol (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GLM-5.3-Flash
GPT-5.6 Sol (Medium) vs GLM-5.3-Flash: 6.2% less intelligence, 226.5% more cost to run the AA benchmark, and 74.6% faster end-to-end.
| Metric | GLM-5.3-Flash | GPT-5.6 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 39.2 | −6.2% GPT-5.6 Sol (Medium) is 6.2% less intelligent |
| Total AA cost (lower is better) | $305.52 | $997.39 | +226.5% GPT-5.6 Sol (Medium) is 3.3× more expensive |
| End-to-end time (lower is better) | 39.33s | 10.00s | −74.6% GPT-5.6 Sol (Medium) is 74.6% faster |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $4.00 / $20.0 | |
| 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-5.6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GLM-5.3-FlashGPT-5.6 Sol (Medium)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-flash/gpt-5-6-sol-medium · Markdown: /api/v1/compare/glm-5-3-flash/gpt-5-6-sol-medium?format=md · llms.txt · agent skill