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

TaskClaude SonnetMistral LargeBetter
Quick answers85/10082/100Claude Sonnet
Writing93/10084/100Claude Sonnet
Coding94/10078/100Claude Sonnet
Reasoning90/10076/100Claude Sonnet
Maths84/10087/100Mistral Large
Structured data88/10090/100Mistral Large
Long documents90/10089/100Claude Sonnet
Translation86/10091/100Mistral 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 SonnetMistral Large
LabAnthropicMistral AI
Input per 1M tokens$2$0.7
Output per 1M tokens$10$2.1
Typical chat answer$0.010$0.00252
Context window1M1.05M
Router picks it for3 of 24 request types1 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.