Compare · updated 2026-11-01
Kimi K3.1 Pro vs Grok 4.7
Kimi K3.1 Pro is better at quick answers, writing, coding, reasoning, maths, structured data, long documents, translation; Grok 4.7 is better at none of them. Grok 4.7 is the cheaper of the two on output.
Measured quality by task
| Task | Kimi K3.1 Pro | Grok 4.7 | Better |
|---|---|---|---|
| Quick answers | 91/100 | 90/100 | Kimi K3.1 Pro |
| Writing | 92/100 | 90/100 | Kimi K3.1 Pro |
| Coding | 89/100 | 85/100 | Kimi K3.1 Pro |
| Reasoning | 85/100 | 80/100 | Kimi K3.1 Pro |
| Maths | 81/100 | 79/100 | Kimi K3.1 Pro |
| Structured data | 92/100 | 85/100 | Kimi K3.1 Pro |
| Long documents | 90/100 | 85/100 | Kimi K3.1 Pro |
| Translation | 91/100 | 86/100 | Kimi K3.1 Pro |
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
| Kimi K3.1 Pro | Grok 4.7 | |
|---|---|---|
| Lab | Moonshot | xAI |
| Input per 1M tokens | $2 | $2 |
| Output per 1M tokens | $10 | $6 |
| Typical chat answer | $0.010 | $0.00720 |
| Context window | 1.05M | 500K |
| Router picks it for | Fallback only | Fallback 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 Kimi K3.1 Pro better than Grok 4.7?
On Nivana’s weekly evals Kimi K3.1 Pro scores higher on 8 of 8 task types (quick answers, writing, coding, reasoning, maths, structured data, long documents, translation) and Grok 4.7 on 0. Neither is better at everything.
Which is better for coding, Kimi K3.1 Pro or Grok 4.7?
Kimi K3.1 Pro: 89/100 against 85/100 for Grok 4.7 on Nivana’s coding evals.
Which is better for writing, Kimi K3.1 Pro or Grok 4.7?
Kimi K3.1 Pro: 92/100 against 90/100 for Grok 4.7 on Nivana’s writing evals.
Which is cheaper, Kimi K3.1 Pro or Grok 4.7?
Grok 4.7: $6 per million output tokens against $10 for Kimi K3.1 Pro, about 1.7× less. A typical chat answer costs about $0.0072 on Grok 4.7 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.