GLM-5.3 (Low) vs GPT-5.6 Sol (Low)
Which is better for the money: GLM-5.3 (Low) by Z AI or GPT-5.6 Sol (Low) by OpenAI? 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 0.8 points higher (34.3 vs 33.5) but costs 1.6× as much to run the benchmark ($1013 vs $637; both premium class). Pick GLM-5.3 (Low) when the extra intelligence is worth the premium, otherwise GPT-5.6 Sol (Low).
| Metric | GLM-5.3 (Low) | GPT-5.6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 33.5 | −2.3% GPT-5.6 Sol (Low) is 2.3% less intelligent |
| Total AA cost (lower is better) | $1,012.50 | $637.28 | −37.1% GPT-5.6 Sol (Low) is 37.1% cheaper |
| End-to-end time (lower is better) | 31.40s | 8.26s | −73.7% GPT-5.6 Sol (Low) is 73.7% faster |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $4.00 / $20.0 | |
| Input modalities | Text | Text, Image |
GPT-5.6 Sol (Low) vs GLM-5.3 (Low): 2.3% less intelligence, 37.1% less cost to run the AA benchmark, and 73.7% faster end-to-end.
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.
- GPT-5.6 Sol (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
GLM-5.3 (Low)GPT-5.6 Sol (Low)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-low/gpt-5-6-sol-low · Markdown: /api/v1/compare/glm-5-3-low/gpt-5-6-sol-low?format=md · llms.txt · agent skill