GPT-5.5 (High) vs Mistral Large 4 Preview
Which is better for the money: GPT-5.5 (High) by OpenAI or Mistral Large 4 Preview by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Mistral Large 4 Preview
Mistral Large 4 Preview vs GPT-5.5 (High): 3.8% more intelligence, 52.9% less cost to run the AA benchmark, and 24.3% slower end-to-end.
| Metric | GPT-5.5 (High) | Mistral Large 4 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.0 | 38.4 | +3.8% Mistral Large 4 Previ… is 3.8% more intelligent |
| Total AA cost (lower is better) | $3,410.76 | $1,607.86 | −52.9% Mistral Large 4 Previ… is 52.9% cheaper |
| End-to-end time (lower is better) | 19.56s | 24.31s | +24.3% Mistral Large 4 Previ… is 24.3% slower |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $1.36 / $4.18 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.5 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Mistral Large 4 Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-5.5 (High)Mistral Large 4 PreviewToday'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-5-5-high/mistral-large-4 · Markdown: /api/v1/compare/gpt-5-5-high/mistral-large-4?format=md · llms.txt · agent skill