Model comparison
MiMo-V2.5-Pro vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 45.2 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 0 categories and MiMo-V2.6-Pro in 8 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Pro leads 43.1 to 26.8.
- The biggest single-benchmark swing is ProofBench: 22% for MiMo-V2.5-Pro and 70% for MiMo-V2.6-Pro.
- Both cost about the same: $0.43 input and $0.87 output per million tokens.
Side by side
| MiMo-V2.5-Pro | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | Xiaomi | Xiaomi |
| Noometry Index | 45.2 | 50.3 |
| Released | 2026-04-22 | 2026-09-21 |
| Weights | Open | Open |
| Context window | 1.05M | 1.05M |
| Max output | 131K | 131K |
| Input $ / M tokens | $0.43 | $0.43 |
| Output $ / M tokens | $0.87 | $0.87 |
| Results tracked | 27 | 19 |
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Category by category
Coding MiMo-V2.6-Pro leads
MiMo-V2.5-Pro: 47.4 (#60), MiMo-V2.6-Pro: 55.5 (#23)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena WebDev | 1479 | 1629 |
| SciCode | 50.2% | 60.9% |
| LMArena Coding | 1503 | 1534 |
| ALE-Bench | 899.8 | 1,158 |
Agentic & Tool Use Not comparable
MiMo-V2.5-Pro: —, MiMo-V2.6-Pro: 37.5 (#35)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |
Reasoning MiMo-V2.6-Pro leads
MiMo-V2.5-Pro: 26.8 (#130), MiMo-V2.6-Pro: 43.1 (#50)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| CritPt | 4% | 26.6% |
| LMArena Hard Prompts | 1488 | 1512 |
| NYT Connections (extended) | 34.4% | — |
| DTBench | 84.5% | — |
| LMCA | 29.5% | — |
Math MiMo-V2.6-Pro leads
MiMo-V2.5-Pro: 40.0 (#96), MiMo-V2.6-Pro: 54.5 (#45)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| ProofBench | 22% | 70% |
| LMArena Math | 1481 | 1494 |
Knowledge MiMo-V2.6-Pro leads
MiMo-V2.5-Pro: 42.2 (#98), MiMo-V2.6-Pro: 43.5 (#92)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1503 | 1543 |
Multimodal Not comparable
MiMo-V2.5-Pro: —, MiMo-V2.6-Pro: 40.8 (#43)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | — | 1264 |
Multilingual MiMo-V2.6-Pro leads
MiMo-V2.5-Pro: 55.1 (#34), MiMo-V2.6-Pro: 56.9 (#14)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1449 | 1474 |
| LMArena Chinese | 1507 | 1529 |
| LMArena Russian | 1450 | 1480 |
| LMArena French | 1488 | — |
| LMArena German | 1458 | — |
| LMArena Japanese | 1412 | — |
| LMArena Korean | 1437 | — |
| LMArena Spanish | 1471 | — |
Instruction Following Too close to call
MiMo-V2.5-Pro: 77.5 (#21), MiMo-V2.6-Pro: 78.2 (#12)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1477 | 1493 |
Long Context Too close to call
MiMo-V2.5-Pro: 45.4 (#37), MiMo-V2.6-Pro: 46.0 (#27)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1483 | 1501 |
Writing & Preference MiMo-V2.6-Pro leads
MiMo-V2.5-Pro: 65.3 (#49), MiMo-V2.6-Pro: 66.8 (#33)
| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1465 | 1492 |
| LMArena Creative Writing | 1440 | 1468 |
| LMArena Multi-Turn | 1477 | 1464 |
| EQ-Bench Creative Writing | 1493 | — |
| EQ-Bench 4 | 1208 | — |
Frequently asked questions
Is MiMo-V2.5-Pro better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 45.2 on the Noometry Index.
Which is cheaper, MiMo-V2.5-Pro or MiMo-V2.6-Pro?
MiMo-V2.6-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; MiMo-V2.5-Pro lists at $0.43 and $0.87.
Is MiMo-V2.5-Pro or MiMo-V2.6-Pro better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 47.4 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do MiMo-V2.5-Pro and MiMo-V2.6-Pro share?
17 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and MiMo-V2.6-Pro has 19.