Model comparison
MiMo-V2-Flash vs Olmo 3.1 32b Instruct
MiMo-V2-Flash is the stronger model overall, scoring 41.3 to 39.4 on the Noometry Index.
Last verified . 16 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 16 benchmarks with published results for both. MiMo-V2-Flash scores higher in 6 categories and Olmo 3.1 32b Instruct in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2-Flash leads 59.7 to 50.2.
Side by side
| MiMo-V2-Flash | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | Xiaomi | Allen Institute for AI (Ai2) |
| Noometry Index | 41.3 | 39.4 |
| Released | 2025-12-16 | — |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.14 | — |
| Output $ / M tokens | $0.28 | — |
| Results tracked | 21 | 16 |
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Category by category
Coding Olmo 3.1 32b Instruct leads
MiMo-V2-Flash: 36.1 (#211), Olmo 3.1 32b Instruct: 39.5 (#157)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1443 | 1347 |
| LMArena WebDev | 1330 | — |
| SciCode | 25.9% | — |
| ALE-Bench | 737.95 | — |
Reasoning Olmo 3.1 32b Instruct leads
MiMo-V2-Flash: 24.9 (#157), Olmo 3.1 32b Instruct: 26.4 (#132)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1420 | 1322 |
| CritPt | 0% | — |
Math MiMo-V2-Flash leads
MiMo-V2-Flash: 38.3 (#139), Olmo 3.1 32b Instruct: 36.3 (#167)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1396 | 1305 |
Knowledge MiMo-V2-Flash leads
MiMo-V2-Flash: 39.7 (#131), Olmo 3.1 32b Instruct: 36.1 (#175)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1425 | 1308 |
Multilingual MiMo-V2-Flash leads
MiMo-V2-Flash: 51.0 (#113), Olmo 3.1 32b Instruct: 42.6 (#191)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1392 | 1275 |
| LMArena Chinese | 1462 | 1304 |
| LMArena French | 1429 | 1328 |
| LMArena German | 1395 | 1282 |
| LMArena Korean | 1358 | 1206 |
| LMArena Russian | 1387 | 1268 |
| LMArena Spanish | 1420 | 1336 |
| LMArena Japanese | 1325 | — |
Instruction Following MiMo-V2-Flash leads
MiMo-V2-Flash: 73.5 (#120), Olmo 3.1 32b Instruct: 68.6 (#187)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1392 | 1299 |
Long Context MiMo-V2-Flash leads
MiMo-V2-Flash: 43.0 (#110), Olmo 3.1 32b Instruct: 39.9 (#166)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1409 | 1312 |
Writing & Preference MiMo-V2-Flash leads
MiMo-V2-Flash: 59.7 (#106), Olmo 3.1 32b Instruct: 50.2 (#185)
| Benchmark | MiMo-V2-Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1411 | 1311 |
| LMArena Creative Writing | 1375 | 1264 |
| LMArena Multi-Turn | 1404 | 1309 |
Frequently asked questions
Is MiMo-V2-Flash better than Olmo 3.1 32b Instruct?
MiMo-V2-Flash is the stronger model overall, scoring 41.3 to 39.4 on the Noometry Index.
Is MiMo-V2-Flash or Olmo 3.1 32b Instruct better for coding?
Olmo 3.1 32b Instruct scores higher on coding benchmarks: 39.5 versus 36.1 in the Noometry coding category.
How many benchmarks do MiMo-V2-Flash and Olmo 3.1 32b Instruct share?
16 benchmarks have published results for both models. MiMo-V2-Flash has 21 scored results on Noometry and Olmo 3.1 32b Instruct has 16.