Model comparison
MiMo-V2.5 vs MiMo-V2-Omni
MiMo-V2.5 and MiMo-V2-Omni score almost the same on the Noometry Index (43.4 vs 43.6), so choose on price, context window or the category you care about most.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. MiMo-V2.5 scores higher in 7 categories and MiMo-V2-Omni in 2 categories; 3 gaps are clear of the uncertainty.
- Both cost about the same: $0.14 input and $0.28 output per million tokens.
- MiMo-V2.5 accepts more context: 1.05M tokens versus 262K.
- MiMo-V2.5 has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.5 | MiMo-V2-Omni | |
|---|---|---|
| Provider | Xiaomi | Xiaomi |
| Noometry Index | 43.4 | 43.6 |
| Released | 2026-04-22 | 2026-03-18 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 262K |
| Max output | 131K | 131K |
| Input $ / M tokens | $0.14 | $0.14 |
| Output $ / M tokens | $0.28 | $0.28 |
| Results tracked | 23 | 18 |
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Category by category
Coding Too close to call
MiMo-V2.5: 43.9 (#81), MiMo-V2-Omni: 43.3 (#89)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Coding | 1469 | 1466 |
| LMArena WebDev | 1438 | — |
| SciCode | 43.1% | — |
| ALE-Bench | 513.95 | — |
Reasoning MiMo-V2-Omni leads
MiMo-V2.5: 28.6 (#101), MiMo-V2-Omni: 29.7 (#88)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Hard Prompts | 1450 | 1445 |
| CritPt | 3.7% | — |
Math MiMo-V2-Omni leads
MiMo-V2.5: 36.8 (#163), MiMo-V2-Omni: 39.1 (#115)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Math | 1436 | 1430 |
| ProofBench | 16% | — |
Knowledge Too close to call
MiMo-V2.5: 40.8 (#115), MiMo-V2-Omni: 40.5 (#118)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Expert | 1460 | 1449 |
Multimodal MiMo-V2.5 leads
MiMo-V2.5: 39.8 (#54), MiMo-V2-Omni: 38.6 (#63)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Vision | 1247 | 1228 |
Multilingual Too close to call
MiMo-V2.5: 51.9 (#99), MiMo-V2-Omni: 51.8 (#102)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Non-English | 1404 | 1404 |
| LMArena Chinese | 1468 | 1465 |
| LMArena French | 1447 | 1447 |
| LMArena German | 1421 | 1399 |
| LMArena Japanese | 1306 | 1317 |
| LMArena Korean | 1363 | 1355 |
| LMArena Russian | 1395 | 1412 |
| LMArena Spanish | 1416 | 1434 |
Instruction Following Too close to call
MiMo-V2.5: 75.5 (#60), MiMo-V2-Omni: 75.2 (#66)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Instruction Following | 1434 | 1428 |
Long Context Too close to call
MiMo-V2.5: 44.2 (#73), MiMo-V2-Omni: 44.1 (#76)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Longer Query | 1445 | 1442 |
Writing & Preference Too close to call
MiMo-V2.5: 61.6 (#86), MiMo-V2-Omni: 61.4 (#87)
| Benchmark | MiMo-V2.5 | MiMo-V2-Omni |
|---|---|---|
| LMArena Text | 1428 | 1423 |
| LMArena Creative Writing | 1393 | 1392 |
| LMArena Multi-Turn | 1445 | 1445 |
Frequently asked questions
Is MiMo-V2.5 better than MiMo-V2-Omni?
MiMo-V2.5 and MiMo-V2-Omni score almost the same on the Noometry Index (43.4 vs 43.6), so choose on price, context window or the category you care about most.
Which is cheaper, MiMo-V2.5 or MiMo-V2-Omni?
MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; MiMo-V2.5 lists at $0.14 and $0.28.
Is MiMo-V2.5 or MiMo-V2-Omni better for coding?
They score almost the same on coding (43.9 vs 43.3); test both on your own repository before choosing.
Which has the bigger context window?
MiMo-V2.5 does, with 1.05M tokens against 262K.
How many benchmarks do MiMo-V2.5 and MiMo-V2-Omni share?
18 benchmarks have published results for both models. MiMo-V2.5 has 23 scored results on Noometry and MiMo-V2-Omni has 18.