Kimi K3 vs Mistral Small 4
Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Mistral Small 4 is cheaper by about $1,005.00/month.
| Kimi K3 | Mistral Small 4 | |
|---|---|---|
| Provider | moonshot | mistral |
| Input / 1M | $3.00 | $0.1500 |
| Output / 1M | $15.00 | $0.6000 |
| Per request (sample) | $0.0105 | $0.000450 |
| Monthly (sample) | $1,050.00 | $45.00 |
| Context window | 1,048,576 | 131,000 |
| Vision | No | No |
| Reasoning | Yes | No |
| Arena · Overall | 1473 | 1325 |
| Arena · Coding | 1679 | 1328 |
| Arena · Math & reasoning | — | 1320 |
Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.
Compare on your own workload
Kimi K3 and Mistral Small 4 are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.
Used unless you set active users below.
Results update automatically as you type.
| Mistral Small 4 | Mistral AI | $0.000450 | $45.00 | $540.00 | 131,000 |
| Kimi K3 | Moonshot AI | $0.0105 | $1,050.00 | $12,600.00 | 1,048,576 |
FAQ
Which is cheaper, Kimi K3 or Mistral Small 4?
For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Mistral Small 4 is cheaper, costing about $45.00/month versus $1,050.00/month.
What is the context window of Kimi K3 and Mistral Small 4?
Kimi K3 supports 1,048,576 tokens, while Mistral Small 4 supports 131,000 tokens.
Estimates for planning only. Verify current pricing with each provider.