Claude Sonnet 5 (Xhigh) vs Mistral Medium 3.5
Which is better for the money: Claude Sonnet 5 (Xhigh) 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.
Trade-off
Verdict
Depends on your budget
Claude Sonnet 5 (Xhigh) scores 20.2 points higher (34.4 vs 14.2) but costs 2.6× as much to run the benchmark ($3255 vs $1264; flagship vs premium cost classes). Pick Claude Sonnet 5 (Xhigh) when the extra intelligence is worth the premium, otherwise Mistral Medium 3.5.
| Metric | Claude Sonnet 5 (Xhigh) | Mistral Medium 3.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.4 | 14.2 | −58.7% Mistral Medium 3.5 is 58.7% less intelligent |
| Total AA cost (lower is better) | $3,255.40 | $1,263.80 | −61.2% Mistral Medium 3.5 is 61.2% cheaper |
| End-to-end time (lower is better) | 26.92s | 17.85s | −33.7% Mistral Medium 3.5 is 33.7% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.50 / $7.50 | |
| Input modalities | Text, Image | Text, Image |
Mistral Medium 3.5 vs Claude Sonnet 5 (Xhigh): 58.7% less intelligence, 61.2% less cost to run the AA benchmark, and 33.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- 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 (Xhigh)Mistral Medium 3.5Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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