Model comparison
Kimi K3 vs Ministral 3B
Kimi K3 is the stronger model overall, scoring 59.5 to 26.2 on the Noometry Index. Ministral 3B costs 60× less per token, which makes it the better buy when Kimi K3's lead doesn't matter for your workload.
Last verified . 4 shared benchmarks.
Mistral AISummary
- They share 4 benchmarks with published results for both. Kimi K3 scores higher in 3 categories and Ministral 3B in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K3 leads 63.2 to 10.4.
- The biggest single-benchmark swing is GPQA Diamond: 93.1% for Kimi K3 and 25.3% for Ministral 3B.
- Ministral 3B is cheaper at $0.10 / $0.10 per million input/output tokens, against $3 / $15 for Kimi K3.
- Kimi K3 accepts more context: 1.05M tokens versus 131K.
Side by side
| Kimi K3 | Ministral 3B | |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 59.5 | 26.2 |
| Released | 2026-07-16 | 2024-10-01 |
| Weights | Open | Open |
| Context window | 1.05M | 131K |
| Max output | 1.05M | 262K |
| Input $ / M tokens | $3 | $0.10 |
| Output $ / M tokens | $15 | $0.10 |
| Results tracked | 53 | 6 |
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Category by category
Coding Not comparable
Kimi K3: 61.0 (#10), Ministral 3B: —
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| DeepSWE | 68.5% | — |
| FrontierCode | 44.2% | — |
| LMArena WebDev | 1654 | — |
| FrontierSWE | 25.9% | — |
| SciCode | 59.5% | — |
| WeirdML | 82.6% | — |
| LMArena Coding | 1508 | — |
| ALE-Bench | 1,524 | — |
Agentic & Tool Use Not comparable
Kimi K3: 41.8 (#20), Ministral 3B: —
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| APEX-Agents | 50.6% | — |
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 32% | — |
| GBAEval | 48.3% | — |
| GDP.pdf | 19% | — |
| Vending-Bench 2 | 5,165 | — |
Reasoning Kimi K3 leads
Kimi K3: 63.0 (#17), Ministral 3B: 18.4 (#282)
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| DTBench | 91.2% | 51.7% |
| LMCA | 52.7% | 5.5% |
| Epoch Capabilities Index | 157.45 | 118.1 |
| ARC-AGI-2 | 60.4% | — |
| SimpleBench | 60.7% | — |
| NYT Connections (extended) | 93.6% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 23.4% | — |
| Chess Puzzles | 39% | — |
| LMArena Hard Prompts | 1496 | — |
| Mystery Game Puzzles | 26% | — |
| Surface Evolver Bench | 95% | — |
| ForecastBench | 61.1 | — |
Math Kimi K3 leads
Kimi K3: 74.2 (#16), Ministral 3B: 26.6 (#258)
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 72.2% | — |
| FrontierMath Tier 4 | 39% | — |
| MathArena Final-Answer Competitions | 87.8% | — |
| OTIS Mock AIME 2024-2025 | 97.2% | — |
| ProofBench | 87% | — |
| LMArena Math | 1491 | — |
| MATH Level 5 | — | 14.4% |
Knowledge Kimi K3 leads
Kimi K3: 63.2 (#21), Ministral 3B: 10.4 (#302)
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| GPQA Diamond | 93.1% | 25.3% |
| SimpleQA Verified | 50.6% | — |
| Vectara Hallucination Rate | — | 7.3% |
| LMArena Expert | 1521 | — |
Multimodal Not comparable
Kimi K3: 37.8 (#70), Ministral 3B: —
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| Blueprint-Bench 2 | 29.5% | — |
| Furniture Assembly | 34.2% | — |
Multilingual Not comparable
Kimi K3: 56.3 (#21), Ministral 3B: —
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| LMArena Non-English | 1466 | — |
| LMArena Chinese | 1529 | — |
| LMArena French | 1491 | — |
| LMArena German | 1488 | — |
| LMArena Japanese | 1487 | — |
| LMArena Korean | 1458 | — |
| LMArena Russian | 1482 | — |
| LMArena Spanish | 1472 | — |
Instruction Following Not comparable
Kimi K3: 77.7 (#14), Ministral 3B: —
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| LMArena Instruction Following | 1483 | — |
Long Context Not comparable
Kimi K3: 45.8 (#29), Ministral 3B: —
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| LMArena Longer Query | 1494 | — |
Writing & Preference Not comparable
Kimi K3: 76.6 (#4), Ministral 3B: —
| Benchmark | Kimi K3 | Ministral 3B |
|---|---|---|
| LMArena Text | 1476 | — |
| LMArena Creative Writing | 1454 | — |
| EQ-Bench Creative Writing | 2082 | — |
| EQ-Bench 4 | 1339 | — |
| LMArena Multi-Turn | 1488 | — |
Frequently asked questions
Is Kimi K3 better than Ministral 3B?
Kimi K3 is the stronger model overall, scoring 59.5 to 26.2 on the Noometry Index. Ministral 3B costs 60× less per token, which makes it the better buy when Kimi K3's lead doesn't matter for your workload.
Which is cheaper, Kimi K3 or Ministral 3B?
Ministral 3B is cheaper. It lists at $0.10 per million input tokens and $0.10 per million output tokens; Kimi K3 lists at $3 and $15.
Which has the bigger context window?
Kimi K3 does, with 1.05M tokens against 131K.
How many benchmarks do Kimi K3 and Ministral 3B share?
4 benchmarks have published results for both models. Kimi K3 has 53 scored results on Noometry and Ministral 3B has 6.