Claude Sonnet 5.5 (High, Default Fallback) vs Mistral Medium 3.5
Which is better for the money: Claude Sonnet 5.5 (High, Default Fallback) by Anthropic or Mistral Medium 3.5 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Claude Sonnet 5.5 (High, Default Fallback)
Mistral Medium 3.5 vs Claude Sonnet 5.5 (High, Default Fallback): 69.7% less intelligence, 23.0% more cost to run the AA benchmark, and 14.7% slower end-to-end.
| Metric | Claude Sonnet 5.5 (High, Default Fallback) | Mistral Medium 3.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 46.8 | 14.2 | −69.7% Mistral Medium 3.5 is 69.7% less intelligent |
| Total AA cost (lower is better) | $1,027.40 | $1,263.80 | +23.0% Mistral Medium 3.5 is 23.0% more expensive |
| End-to-end time (lower is better) | 15.60s | 17.90s | +14.7% Mistral Medium 3.5 is 14.7% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.50 / $7.50 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5.5 (High, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Mistral Medium 3.5 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Sonnet 5.5 (High, Default Fallback)Mistral Medium 3.5Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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