GLM-5.3-Flash vs Solar Pro 4
Which is better for the money: GLM-5.3-Flash by Z AI or Solar Pro 4 by Upstage? 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
Solar Pro 4 vs GLM-5.3-Flash: 36.4% less intelligence, 141.2% more cost to run the AA benchmark, and end-to-end time not fully reported.
| Metric | GLM-5.3-Flash | Solar Pro 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 26.6 | −36.4% Solar Pro 4 is 36.4% less intelligent |
| Total AA cost (lower is better) | $305.52 | $736.82 | +141.2% Solar Pro 4 is 2.4× more expensive |
| End-to-end time (lower is better) | 39.33s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text |
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.
- Solar Pro 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GLM-5.3-FlashSolar Pro 4Today'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/solar-pro4 · Markdown: /api/v1/compare/glm-5-3-flash/solar-pro4?format=md · llms.txt · agent skill