GPT-5.6 Sol (Xhigh) vs Mistral Medium 3.5
Which is better for the money: GPT-5.6 Sol (Xhigh) by OpenAI or Mistral Medium 3.5 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Xhigh) scores 29.8 points higher (44.0 vs 14.2) but costs 1.6× as much to run the benchmark ($2082 vs $1264; flagship vs premium cost classes). Pick GPT-5.6 Sol (Xhigh) when the extra intelligence is worth the premium, otherwise Mistral Medium 3.5.
| Metric | GPT-5.6 Sol (Xhigh) | Mistral Medium 3.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.0 | 14.2 | −67.7% Mistral Medium 3.5 is 67.7% less intelligent |
| Total AA cost (lower is better) | $2,082.28 | $1,263.80 | −39.3% Mistral Medium 3.5 is 39.3% cheaper |
| End-to-end time (lower is better) | 28.41s | 17.96s | −36.8% Mistral Medium 3.5 is 36.8% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $1.50 / $7.50 | |
| Input modalities | Text, Image | Text, Image |
Mistral Medium 3.5 vs GPT-5.6 Sol (Xhigh): 67.7% less intelligence, 39.3% less cost to run the AA benchmark, and 36.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Mistral Medium 3.5 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-5.6 Sol (Xhigh)Mistral Medium 3.5Today'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/gpt-5-6-sol-xhigh/mistral-medium-3-5 · Markdown: /api/v1/compare/gpt-5-6-sol-xhigh/mistral-medium-3-5?format=md · llms.txt · agent skill