Model comparison
MiMo-V2.6-Pro vs o1-pro
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 31.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where MiMo-V2.6-Pro leads 43.1 to 20.4.
- MiMo-V2.6-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $150 / $600 for o1-pro.
- MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 200K.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.6-Pro | o1-pro | |
|---|---|---|
| Provider | Xiaomi | OpenAI |
| Noometry Index | 50.3 | 31.5 |
| Released | 2026-09-21 | 2025-03-19 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 200K |
| Max output | 131K | 100K |
| Input $ / M tokens | $0.43 | $150 |
| Output $ / M tokens | $0.87 | $600 |
| Results tracked | 19 | 3 |
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Category by category
Coding Not comparable
MiMo-V2.6-Pro: 55.5 (#23), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| LMArena WebDev | 1629 | — |
| SciCode | 60.9% | — |
| LMArena Coding | 1534 | — |
| ALE-Bench | 1,158 | — |
Agentic & Tool Use Not comparable
MiMo-V2.6-Pro: 37.5 (#35), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| APEX-Agents | 59.5% | — |
Reasoning MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.1 (#50), o1-pro: 20.4 (#239)
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| ARC-AGI-1 | — | 23.3% |
| CritPt | 26.6% | — |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1512 | — |
Math Not comparable
MiMo-V2.6-Pro: 54.5 (#45), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| ProofBench | 70% | — |
| LMArena Math | 1494 | — |
Knowledge MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.5 (#92), o1-pro: 29.7 (#234)
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
| LMArena Expert | 1543 | — |
Multimodal Not comparable
MiMo-V2.6-Pro: 40.8 (#43), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| LMArena Vision | 1264 | — |
Multilingual Not comparable
MiMo-V2.6-Pro: 56.9 (#14), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| LMArena Non-English | 1474 | — |
| LMArena Chinese | 1529 | — |
| LMArena Russian | 1480 | — |
Instruction Following Not comparable
MiMo-V2.6-Pro: 78.2 (#12), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1493 | — |
Long Context Not comparable
MiMo-V2.6-Pro: 46.0 (#27), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| LMArena Longer Query | 1501 | — |
Writing & Preference Not comparable
MiMo-V2.6-Pro: 66.8 (#33), o1-pro: —
| Benchmark | MiMo-V2.6-Pro | o1-pro |
|---|---|---|
| LMArena Text | 1492 | — |
| LMArena Creative Writing | 1468 | — |
| LMArena Multi-Turn | 1464 | — |
Frequently asked questions
Is MiMo-V2.6-Pro better than o1-pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 31.5 on the Noometry Index.
Which is cheaper, MiMo-V2.6-Pro or o1-pro?
MiMo-V2.6-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
MiMo-V2.6-Pro does, with 1.05M tokens against 200K.
How many benchmarks do MiMo-V2.6-Pro and o1-pro share?
0 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and o1-pro has 3.