GLM-5.3 (Low) vs Solar Pro 4
Which is better for the money: GLM-5.3 (Low) by Z AI or Solar Pro 4 by Upstage? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GLM-5.3 (Low) scores 7.7 points higher (34.3 vs 26.6) but costs 1.4× as much to run the benchmark ($1013 vs $737; both premium class). Pick GLM-5.3 (Low) when the extra intelligence is worth the premium, otherwise Solar Pro 4.
| Metric | GLM-5.3 (Low) | Solar Pro 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 26.6 | −22.4% Solar Pro 4 is 22.4% less intelligent |
| Total AA cost (lower is better) | $1,012.50 | $736.82 | −27.2% Solar Pro 4 is 27.2% cheaper |
| End-to-end time (lower is better) | 31.17s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $0.30 / $1.20 | |
| Input modalities | Text | Text |
Solar Pro 4 vs GLM-5.3 (Low): 22.4% less intelligence, 27.2% less cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- GLM-5.3 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- 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 (Low)Solar 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-low/solar-pro4 · Markdown: /api/v1/compare/glm-5-3-low/solar-pro4?format=md · llms.txt · agent skill