Model comparison
Kimi K2.6 vs Mistral Small 3.2
Kimi K2.6 is the stronger model overall, scoring 47.7 to 31.2 on the Noometry Index. Mistral Small 3.2 costs 13× less per token, which makes it the better buy when Kimi K2.6's lead doesn't matter for your workload.
Last verified . 5 shared benchmarks.
Mistral AISummary
- They share 5 benchmarks with published results for both. Kimi K2.6 scores higher in 4 categories and Mistral Small 3.2 in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2.6 leads 57.0 to 26.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 96.1% for Kimi K2.6 and 30.3% for Mistral Small 3.2.
- Mistral Small 3.2 is cheaper at $0.0938 / $0.25 per million input/output tokens, against $0.95 / $4 for Kimi K2.6.
- Kimi K2.6 accepts more context: 262K tokens versus 256K.
Side by side
| Kimi K2.6 | Mistral Small 3.2 | |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 47.7 | 31.2 |
| Released | 2026-04-20 | 2025-06-20 |
| Weights | Open | Open |
| Context window | 262K | 256K |
| Max output | 262K | 16K |
| Input $ / M tokens | $0.95 | $0.0938 |
| Output $ / M tokens | $4 | $0.25 |
| Results tracked | 51 | 6 |
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Category by category
Coding Not comparable
Kimi K2.6: 50.7 (#43), Mistral Small 3.2: —
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| SWE-bench Verified | 76.7% | — |
| LMArena WebDev | 1509 | — |
| SciCode | 53.5% | — |
| WeirdML | 55.9% | — |
| LMArena Coding | 1488 | — |
| ALE-Bench | 1,093 | — |
Agentic & Tool Use Not comparable
Kimi K2.6: 21.9 (#137), Mistral Small 3.2: —
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| OSWorld 2.0 | 4.6% | — |
| ExploitBench | 18.4% | — |
| GBAEval | 0.9% | — |
| GDP.pdf | 12% | — |
| Vending-Bench 2 | 6,205 | — |
Reasoning Kimi K2.6 leads
Kimi K2.6: 40.5 (#55), Mistral Small 3.2: 18.1 (#287)
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| Chess Puzzles | 26% | 1% |
| Epoch Capabilities Index | 151.05 | 131.74 |
| Kagi LLM Benchmark | — | 40.4% |
| NYT Connections (extended) | 87.2% | — |
| CritPt | 8% | — |
| EBR-Bench | 2.4% | — |
| LMArena Hard Prompts | 1470 | — |
| Mystery Game Puzzles | 18% | — |
| DTBench | 90.9% | — |
| LMCA | 37.3% | — |
Math Kimi K2.6 leads
Kimi K2.6: 57.0 (#41), Mistral Small 3.2: 26.3 (#260)
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 96.1% | 30.3% |
| FrontierMath (Tiers 1-3) | 57.2% | — |
| FrontierMath Tier 4 | 25.6% | — |
| MathArena Final-Answer Competitions | 72.9% | — |
| ProofBench | 16% | — |
| LMArena Math | 1475 | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Kimi K2.6 leads
Kimi K2.6: 54.0 (#54), Mistral Small 3.2: 26.7 (#256)
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| GPQA Diamond | 90.8% | 49.1% |
| SimpleQA Verified | 34.9% | — |
| Vectara Hallucination Rate | 10.8% | — |
| LMArena Expert | 1491 | — |
Multimodal Not comparable
Kimi K2.6: 31.6 (#103), Mistral Small 3.2: —
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| LMArena Vision | 1283 | — |
| Blueprint-Bench 2 | 3.9% | — |
| Furniture Assembly | 21.7% | — |
| LMArena Document | 1451 | — |
Multilingual Not comparable
Kimi K2.6: 54.9 (#37), Mistral Small 3.2: —
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| LMArena Non-English | 1446 | — |
| LMArena Chinese | 1521 | — |
| LMArena French | 1471 | — |
| LMArena German | 1450 | — |
| LMArena Japanese | 1443 | — |
| LMArena Korean | 1427 | — |
| LMArena Russian | 1446 | — |
| LMArena Spanish | 1464 | — |
Instruction Following Not comparable
Kimi K2.6: 76.3 (#43), Mistral Small 3.2: —
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| LMArena Instruction Following | 1451 | — |
Long Context Not comparable
Kimi K2.6: 44.9 (#52), Mistral Small 3.2: —
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| LMArena Longer Query | 1468 | — |
Writing & Preference Kimi K2.6 leads
Kimi K2.6: 68.5 (#26), Mistral Small 3.2: 45.0 (#224)
| Benchmark | Kimi K2.6 | Mistral Small 3.2 |
|---|---|---|
| EQ-Bench Creative Writing | 1725 | 1255 |
| LMArena Text | 1455 | — |
| LMArena Creative Writing | 1434 | — |
| EQ-Bench 4 | 1202 | — |
| LMArena Multi-Turn | 1453 | — |
Frequently asked questions
Is Kimi K2.6 better than Mistral Small 3.2?
Kimi K2.6 is the stronger model overall, scoring 47.7 to 31.2 on the Noometry Index. Mistral Small 3.2 costs 13× less per token, which makes it the better buy when Kimi K2.6's lead doesn't matter for your workload.
Which is cheaper, Kimi K2.6 or Mistral Small 3.2?
Mistral Small 3.2 is cheaper. It lists at $0.0938 per million input tokens and $0.25 per million output tokens; Kimi K2.6 lists at $0.95 and $4.
Which has the bigger context window?
Kimi K2.6 does, with 262K tokens against 256K.
How many benchmarks do Kimi K2.6 and Mistral Small 3.2 share?
5 benchmarks have published results for both models. Kimi K2.6 has 51 scored results on Noometry and Mistral Small 3.2 has 6.