Compare · updated 2026-11-01

GPT-6.1 Sol vs Mistral Large

GPT-6.1 Sol is better at quick answers, writing, coding, reasoning, structured data, long documents; Mistral Large is better at maths, translation. Mistral Large is the cheaper of the two on output.

Measured quality by task

TaskGPT-6.1 SolMistral LargeBetter
Quick answers91/10082/100GPT-6.1 Sol
Writing93/10084/100GPT-6.1 Sol
Coding93/10078/100GPT-6.1 Sol
Reasoning82/10076/100GPT-6.1 Sol
Maths79/10087/100Mistral Large
Structured data91/10090/100GPT-6.1 Sol
Long documents91/10089/100GPT-6.1 Sol
Translation89/10091/100Mistral 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

GPT-6.1 SolMistral Large
LabOpenAIMistral AI
Input per 1M tokens$2$0.7
Output per 1M tokens$10$2.1
Typical chat answer$0.010$0.00252
Context window1.05M1.05M
Router picks it forFallback only1 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 GPT-6.1 Sol better than Mistral Large?

On Nivana’s weekly evals GPT-6.1 Sol scores higher on 6 of 8 task types (quick answers, writing, coding, reasoning, structured data, long documents) and Mistral Large on 2 (maths, translation). Neither is better at everything.

Which is better for coding, GPT-6.1 Sol or Mistral Large?

GPT-6.1 Sol: 93/100 against 78/100 for Mistral Large on Nivana’s coding evals.

Which is better for writing, GPT-6.1 Sol or Mistral Large?

GPT-6.1 Sol: 93/100 against 84/100 for Mistral Large on Nivana’s writing evals.

Which is cheaper, GPT-6.1 Sol or Mistral Large?

Mistral Large: $2.1 per million output tokens against $10 for GPT-6.1 Sol, about 4.8× less. A typical chat answer costs about $0.0025 on Mistral Large and $0.010 on GPT-6.1 Sol.

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.