GPT-5.4 nano (Xhigh) vs GPT-5.6 Sol (Low)
Which is better for the money: GPT-5.4 nano (Xhigh) by OpenAI or GPT-5.6 Sol (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Low) scores 12.8 points higher (33.5 vs 20.7) but costs 1.9× as much to run the benchmark ($637 vs $331; premium vs mid-range cost classes). Pick GPT-5.6 Sol (Low) when the extra intelligence is worth the premium, otherwise GPT-5.4 nano (Xhigh).
| Metric | GPT-5.4 nano (Xhigh) | GPT-5.6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 33.5 | +61.8% GPT-5.6 Sol (Low) is 61.8% more intelligent |
| Total AA cost (lower is better) | $331.24 | $637.28 | +92.4% GPT-5.6 Sol (Low) is 92.4% more expensive |
| End-to-end time (lower is better) | 108.97s | 8.52s | −92.2% GPT-5.6 Sol (Low) is 92.2% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $4.00 / $20.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Sol (Low) vs GPT-5.4 nano (Xhigh): 61.8% more intelligence, 92.4% more cost to run the AA benchmark, and 92.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.4 nano (Xhigh) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- 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.
GPT-5.4 nano (Xhigh)GPT-5.6 Sol (Low)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-4-nano/gpt-5-6-sol-low · Markdown: /api/v1/compare/gpt-5-4-nano/gpt-5-6-sol-low?format=md · llms.txt · agent skill