Model comparison
MiMo-V2-Omni vs o3-pro
MiMo-V2-Omni and o3-pro score almost the same on the Noometry Index (42.9 vs 42.7), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in long context, where o3-pro leads 72.1 to 44.1.
- MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $20 / $80 for o3-pro.
- MiMo-V2-Omni accepts more context: 262K tokens versus 200K.
Side by side
| MiMo-V2-Omni | o3-pro | |
|---|---|---|
| Provider | Xiaomi | OpenAI |
| Noometry Index | 42.9 | 42.7 |
| Released | 2026-03-18 | 2025-06-10 |
| Weights | Proprietary | Proprietary |
| Context window | 262K | 200K |
| Max output | 131K | 100K |
| Input $ / M tokens | $0.14 | $20 |
| Output $ / M tokens | $0.28 | $80 |
| Results tracked | 18 | 12 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding o3-pro leads
MiMo-V2-Omni: 42.7 (#87), o3-pro: 55.1 (#22)
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| WeirdML | — | 58.2% |
| LMArena Coding | 1467 | — |
Reasoning MiMo-V2-Omni leads
MiMo-V2-Omni: 28.6 (#86), o3-pro: 24.1 (#152)
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| LMArena Hard Prompts | 1445 | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.43 |
Math Not comparable
MiMo-V2-Omni: 36.4 (#112), o3-pro: —
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| LMArena Math | 1432 | — |
Knowledge MiMo-V2-Omni leads
MiMo-V2-Omni: 39.9 (#114), o3-pro: 29.0 (#234)
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |
| LMArena Expert | 1449 | — |
Multimodal Not comparable
MiMo-V2-Omni: 37.9 (#62), o3-pro: —
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| LMArena Vision | 1228 | — |
Multilingual Not comparable
MiMo-V2-Omni: 52.0 (#97), o3-pro: —
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| LMArena Non-English | 1404 | — |
| LMArena Chinese | 1469 | — |
| LMArena French | 1448 | — |
| LMArena German | 1398 | — |
| LMArena Japanese | 1318 | — |
| LMArena Korean | 1355 | — |
| LMArena Russian | 1412 | — |
| LMArena Spanish | 1432 | — |
Instruction Following Not comparable
MiMo-V2-Omni: 75.4 (#62), o3-pro: —
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| LMArena Instruction Following | 1428 | — |
Long Context o3-pro leads
MiMo-V2-Omni: 44.1 (#72), o3-pro: 72.1 (#1)
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
| LMArena Longer Query | 1442 | — |
Writing & Preference MiMo-V2-Omni leads
MiMo-V2-Omni: 61.6 (#83), o3-pro: 57.1 (#128)
| Benchmark | MiMo-V2-Omni | o3-pro |
|---|---|---|
| LMArena Text | 1424 | — |
| LMArena Creative Writing | 1393 | — |
| Short-Story Creative Writing | — | 84.4% |
| LMArena Multi-Turn | 1446 | — |
Frequently asked questions
Is MiMo-V2-Omni better than o3-pro?
MiMo-V2-Omni and o3-pro score almost the same on the Noometry Index (42.9 vs 42.7), so choose on price, context window or the category you care about most.
Which is cheaper, MiMo-V2-Omni or o3-pro?
MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; o3-pro lists at $20 and $80.
Is MiMo-V2-Omni or o3-pro better for coding?
o3-pro scores higher on coding benchmarks: 55.1 versus 42.7 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2-Omni does, with 262K tokens against 200K.
How many benchmarks do MiMo-V2-Omni and o3-pro share?
0 benchmarks have published results for both models. MiMo-V2-Omni has 18 scored results on Noometry and o3-pro has 12.