GLM-5.3-Flash vs Solar Pro 3
Which is better for the money: GLM-5.3-Flash by Z AI or Solar Pro 3 by Upstage? 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-Flash scores 34.0 points higher (41.8 vs 7.8) but costs 1.9× as much to run the benchmark ($306 vs $159; both mid-range class). Pick GLM-5.3-Flash when the extra intelligence is worth the premium, otherwise Solar Pro 3.
| Metric | GLM-5.3-Flash | Solar Pro 3 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 7.8 | −81.3% Solar Pro 3 is 81.3% less intelligent |
| Total AA cost (lower is better) | $305.52 | $159.22 | −47.9% Solar Pro 3 is 47.9% cheaper |
| End-to-end time (lower is better) | 38.89s | 18.89s | −51.4% Solar Pro 3 is 51.4% faster |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
Solar Pro 3 vs GLM-5.3-Flash: 81.3% less intelligence, 47.9% less cost to run the AA benchmark, and 51.4% 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.
- Solar Pro 3 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
GLM-5.3-FlashSolar Pro 3Today'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-pro-3 · Markdown: /api/v1/compare/glm-5-3-flash/solar-pro-3?format=md · llms.txt · agent skill