Claude Opus 5.5 (Medium, Default Fallback) vs Mistral Large 4 Preview
Which is better for the money: Claude Opus 5.5 (Medium, Default Fallback) by Anthropic 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.
Trade-off
Verdict
Depends on your budget
Claude Opus 5.5 (Medium, Default Fallba… scores 12.8 points higher (51.2 vs 38.4) but costs 1.0× as much to run the benchmark ($1627 vs $1608; both premium class). Pick Claude Opus 5.5 (Medium, Default Fallba… when the extra intelligence is worth the premium, otherwise Mistral Large 4 Preview.
| Metric | Claude Opus 5.5 (Medium, Default Fallback) | Mistral Large 4 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.2 | 38.4 | −25.0% Mistral Large 4 Previ… is 25.0% less intelligent |
| Total AA cost (lower is better) | $1,626.81 | $1,607.86 | −1.2% Mistral Large 4 Previ… is 1.2% cheaper |
| End-to-end time (lower is better) | 17.57s | 25.73s | +46.4% Mistral Large 4 Previ… is 46.4% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $1.36 / $4.18 | |
| Input modalities | Text, Image | Text, Image |
Mistral Large 4 Preview vs Claude Opus 5.5 (Medium, Default Fallback): 25.0% less intelligence, 1.2% less cost to run the AA benchmark, and 46.4% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Medium, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Mistral Large 4 Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Opus 5.5 (Medium, Default Fallback)Mistral Large 4 PreviewToday's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-medium/mistral-large-4 · Markdown: /api/v1/compare/claude-opus-5-5-medium/mistral-large-4?format=md · llms.txt · agent skill