Compare · updated 2026-11-01

Mistral Large vs Kimi K3.1 Pro

Mistral Large is better at maths, translation; Kimi K3.1 Pro is better at quick answers, writing, coding, reasoning, structured data, long documents. Mistral Large is the cheaper of the two on output.

Measured quality by task

TaskMistral LargeKimi K3.1 ProBetter
Quick answers82/10091/100Kimi K3.1 Pro
Writing84/10092/100Kimi K3.1 Pro
Coding78/10089/100Kimi K3.1 Pro
Reasoning76/10085/100Kimi K3.1 Pro
Maths87/10081/100Mistral Large
Structured data90/10092/100Kimi K3.1 Pro
Long documents89/10090/100Kimi K3.1 Pro
Translation91/10091/100Mistral 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

Mistral LargeKimi K3.1 Pro
LabMistral AIMoonshot
Input per 1M tokens$0.7$2
Output per 1M tokens$2.1$10
Typical chat answer$0.00252$0.010
Context window1.05M1.05M
Router picks it for1 of 24 request typesFallback only

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 Mistral Large better than Kimi K3.1 Pro?

On Nivana’s weekly evals Mistral Large scores higher on 2 of 8 task types (maths, translation) and Kimi K3.1 Pro on 6 (quick answers, writing, coding, reasoning, structured data, long documents). Neither is better at everything.

Which is better for coding, Mistral Large or Kimi K3.1 Pro?

Kimi K3.1 Pro: 89/100 against 78/100 for Mistral Large on Nivana’s coding evals.

Which is better for writing, Mistral Large or Kimi K3.1 Pro?

Kimi K3.1 Pro: 92/100 against 84/100 for Mistral Large on Nivana’s writing evals.

Which is cheaper, Mistral Large or Kimi K3.1 Pro?

Mistral Large: $2.1 per million output tokens against $10 for Kimi K3.1 Pro, about 4.8× less. A typical chat answer costs about $0.0025 on Mistral Large and $0.010 on Kimi K3.1 Pro.

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.