Model comparison
MiMo-V2.5-Pro vs Mistral Medium 3.1
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 31.9 on the Noometry Index.
Last verified . 2 shared benchmarks.
Mistral AISummary
- They share 2 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 2 categories and Mistral Medium 3.1 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.5-Pro leads 26.8 to 10.6.
- The biggest single-benchmark swing is NYT Connections (extended): 34.4% for MiMo-V2.5-Pro and 6.5% for Mistral Medium 3.1.
- MiMo-V2.5-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $0.40 / $2 for Mistral Medium 3.1.
- MiMo-V2.5-Pro accepts more context: 1.05M tokens versus 131K.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.5-Pro | Mistral Medium 3.1 | |
|---|---|---|
| Provider | Xiaomi | Mistral AI |
| Noometry Index | 45.2 | 31.9 |
| Released | 2026-04-22 | — |
| Weights | Open | Proprietary |
| Context window | 1.05M | 131K |
| Max output | 131K | 105K |
| Input $ / M tokens | $0.43 | $0.40 |
| Output $ / M tokens | $0.87 | $2 |
| Results tracked | 27 | 3 |
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Category by category
Coding Not comparable
MiMo-V2.5-Pro: 47.4 (#60), Mistral Medium 3.1: —
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| LMArena WebDev | 1479 | — |
| SciCode | 50.2% | — |
| LMArena Coding | 1503 | — |
| ALE-Bench | 899.8 | — |
Reasoning MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 26.8 (#130), Mistral Medium 3.1: 10.6 (#341)
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| NYT Connections (extended) | 34.4% | 6.5% |
| CritPt | 4% | — |
| Thematic Generalization | — | 20.3% |
| LMArena Hard Prompts | 1488 | — |
| DTBench | 84.5% | — |
| LMCA | 29.5% | — |
Math Not comparable
MiMo-V2.5-Pro: 40.0 (#96), Mistral Medium 3.1: —
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| ProofBench | 22% | — |
| LMArena Math | 1481 | — |
Knowledge Not comparable
MiMo-V2.5-Pro: 42.2 (#98), Mistral Medium 3.1: —
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| LMArena Expert | 1503 | — |
Multilingual Not comparable
MiMo-V2.5-Pro: 55.1 (#34), Mistral Medium 3.1: —
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| LMArena Non-English | 1449 | — |
| LMArena Chinese | 1507 | — |
| LMArena French | 1488 | — |
| LMArena German | 1458 | — |
| LMArena Japanese | 1412 | — |
| LMArena Korean | 1437 | — |
| LMArena Russian | 1450 | — |
| LMArena Spanish | 1471 | — |
Instruction Following Not comparable
MiMo-V2.5-Pro: 77.5 (#21), Mistral Medium 3.1: —
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| LMArena Instruction Following | 1477 | — |
Long Context Not comparable
MiMo-V2.5-Pro: 45.4 (#37), Mistral Medium 3.1: —
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| LMArena Longer Query | 1483 | — |
Writing & Preference MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 65.3 (#49), Mistral Medium 3.1: 55.5 (#145)
| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.1 |
|---|---|---|
| EQ-Bench Creative Writing | 1493 | 1476 |
| LMArena Text | 1465 | — |
| LMArena Creative Writing | 1440 | — |
| EQ-Bench 4 | 1208 | — |
| LMArena Multi-Turn | 1477 | — |
Frequently asked questions
Is MiMo-V2.5-Pro better than Mistral Medium 3.1?
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 31.9 on the Noometry Index.
Which is cheaper, MiMo-V2.5-Pro or Mistral Medium 3.1?
MiMo-V2.5-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Mistral Medium 3.1 lists at $0.40 and $2.
Which has the bigger context window?
MiMo-V2.5-Pro does, with 1.05M tokens against 131K.
How many benchmarks do MiMo-V2.5-Pro and Mistral Medium 3.1 share?
2 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and Mistral Medium 3.1 has 3.