Claude Opus 5.5 (High, Default Fallback) vs Mistral Large 4 Preview
Which is better for the money: Claude Opus 5.5 (High, 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 2026-10-24.
Trade-off
Verdict
Depends on your budget
Claude Opus 5.5 (High, Default Fallback) scores 15.2 points higher (53.6 vs 38.4) but costs 1.4× as much to run the benchmark ($2172 vs $1608; flagship vs premium cost classes). Pick Claude Opus 5.5 (High, Default Fallback) when the extra intelligence is worth the premium, otherwise Mistral Large 4 Preview.
| Metric | Claude Opus 5.5 (High, Default Fallback) | Mistral Large 4 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.6 | 38.4 | −28.4% Mistral Large 4 Previ… is 28.4% less intelligent |
| Total AA cost (lower is better) | $2,172.43 | $1,607.86 | −26.0% Mistral Large 4 Previ… is 26.0% cheaper |
| End-to-end time (lower is better) | 33.81s | 27.12s | −19.8% Mistral Large 4 Previ… is 19.8% faster |
| 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 (High, Default Fallback): 28.4% less intelligence, 26.0% less cost to run the AA benchmark, and 19.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (High, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- 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 (High, Default Fallback)Mistral Large 4 PreviewToday's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-high/mistral-large-4 · Markdown: /api/v1/compare/claude-opus-5-5-high/mistral-large-4?format=md · llms.txt · agent skill