Compare · updated 2026-11-01
Claude Sonnet vs Mistral Large
Claude Sonnet is better at quick answers, writing, coding, reasoning, long documents; Mistral Large is better at maths, structured data, translation. Mistral Large is the cheaper of the two on output.
Measured quality by task
| Task | Claude Sonnet | Mistral Large | Better |
|---|---|---|---|
| Quick answers | 85/100 | 82/100 | Claude Sonnet |
| Writing | 93/100 | 84/100 | Claude Sonnet |
| Coding | 94/100 | 78/100 | Claude Sonnet |
| Reasoning | 90/100 | 76/100 | Claude Sonnet |
| Maths | 84/100 | 87/100 | Mistral Large |
| Structured data | 88/100 | 90/100 | Mistral Large |
| Long documents | 90/100 | 89/100 | Claude Sonnet |
| Translation | 86/100 | 91/100 | Mistral Large |
Quality is Nivana’s measured score for each kind of task, from weekly pairwise evals judged by models from several labs. Prices are live AI Gateway list prices per million tokens. Updated 2026-11-01. How this is measured.
Price and context
| Claude Sonnet | Mistral Large | |
|---|---|---|
| Lab | Anthropic | Mistral AI |
| Input per 1M tokens | $2 | $0.7 |
| Output per 1M tokens | $10 | $2.1 |
| Typical chat answer | $0.010 | $0.00252 |
| Context window | 1M | 1.05M |
| Router picks it for | 3 of 24 request types | 1 of 24 request types |
Which should you use?
Use the one that wins the kind of work you do most, unless the price gap outweighs the quality gap for easy requests. Or don’t choose: Nivana scores both, and the rest of the pool, on every request and sends it to whichever is best for that request.
Questions
Is Claude Sonnet better than Mistral Large?
On Nivana’s weekly evals Claude Sonnet scores higher on 5 of 8 task types (quick answers, writing, coding, reasoning, long documents) and Mistral Large on 3 (maths, structured data, translation). Neither is better at everything.
Which is better for coding, Claude Sonnet or Mistral Large?
Claude Sonnet: 94/100 against 78/100 for Mistral Large on Nivana’s coding evals.
Which is better for writing, Claude Sonnet or Mistral Large?
Claude Sonnet: 93/100 against 84/100 for Mistral Large on Nivana’s writing evals.
Which is cheaper, Claude Sonnet or Mistral Large?
Mistral Large: $2.1 per million output tokens against $10 for Claude Sonnet, about 4.8× less. A typical chat answer costs about $0.0025 on Mistral Large and $0.010 on Claude Sonnet.
Or let the router pick, per request
Nivana sends every message to the model that scores best for it, sets how hard it thinks, and tells you which one answered. 2,000 free credits to start, no card.