Model comparison
MiMo-V2.6-Pro vs Olmo 3.1 32b Instruct
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 39.4 on the Noometry Index.
Last verified . 12 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 12 benchmarks with published results for both. MiMo-V2.6-Pro scores higher in 8 categories and Olmo 3.1 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.6-Pro leads 54.5 to 36.3.
Side by side
| MiMo-V2.6-Pro | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | Xiaomi | Allen Institute for AI (Ai2) |
| Noometry Index | 50.3 | 39.4 |
| Released | 2026-09-21 | — |
| Weights | Open | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 19 | 16 |
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Category by category
Coding MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 55.5 (#23), Olmo 3.1 32b Instruct: 39.5 (#157)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1534 | 1347 |
| LMArena WebDev | 1629 | — |
| SciCode | 60.9% | — |
| ALE-Bench | 1,158 | — |
Agentic & Tool Use Not comparable
MiMo-V2.6-Pro: 37.5 (#35), Olmo 3.1 32b Instruct: —
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| APEX-Agents | 59.5% | — |
Reasoning MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.1 (#50), Olmo 3.1 32b Instruct: 26.4 (#132)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1512 | 1322 |
| CritPt | 26.6% | — |
Math MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 54.5 (#45), Olmo 3.1 32b Instruct: 36.3 (#167)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1494 | 1305 |
| ProofBench | 70% | — |
Knowledge MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.5 (#92), Olmo 3.1 32b Instruct: 36.1 (#175)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1543 | 1308 |
Multimodal Not comparable
MiMo-V2.6-Pro: 40.8 (#43), Olmo 3.1 32b Instruct: —
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1264 | — |
Multilingual MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 56.9 (#14), Olmo 3.1 32b Instruct: 42.6 (#191)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1474 | 1275 |
| LMArena Chinese | 1529 | 1304 |
| LMArena Russian | 1480 | 1268 |
| LMArena French | — | 1328 |
| LMArena German | — | 1282 |
| LMArena Korean | — | 1206 |
| LMArena Spanish | — | 1336 |
Instruction Following MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 78.2 (#12), Olmo 3.1 32b Instruct: 68.6 (#187)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1493 | 1299 |
Long Context MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 46.0 (#27), Olmo 3.1 32b Instruct: 39.9 (#166)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1501 | 1312 |
Writing & Preference MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 66.8 (#33), Olmo 3.1 32b Instruct: 50.2 (#185)
| Benchmark | MiMo-V2.6-Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1492 | 1311 |
| LMArena Creative Writing | 1468 | 1264 |
| LMArena Multi-Turn | 1464 | 1309 |
Frequently asked questions
Is MiMo-V2.6-Pro better than Olmo 3.1 32b Instruct?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 39.4 on the Noometry Index.
Is MiMo-V2.6-Pro or Olmo 3.1 32b Instruct better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 39.5 in the Noometry coding category.
How many benchmarks do MiMo-V2.6-Pro and Olmo 3.1 32b Instruct share?
12 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and Olmo 3.1 32b Instruct has 16.