Model comparison
MiMo-V2-Pro vs Molmo 2 8b
MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 39.1 on the Noometry Index.
Last verified . 4 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 4 benchmarks with published results for both. MiMo-V2-Pro scores higher in 3 categories and Molmo 2 8b in 1 category; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2-Pro leads 62.8 to 49.4.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2-Pro | Molmo 2 8b | |
|---|---|---|
| Provider | Xiaomi | Allen Institute for AI (Ai2) |
| Noometry Index | 43.0 | 39.1 |
| Released | 2026-03-18 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 23 | 5 |
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Category by category
Coding Not comparable
MiMo-V2-Pro: 43.8 (#83), Molmo 2 8b: —
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena WebDev | 1433 | — |
| LMArena Coding | 1476 | — |
| ALE-Bench | 785.17 | — |
Reasoning Molmo 2 8b leads
MiMo-V2-Pro: 22.1 (#206), Molmo 2 8b: 25.6 (#146)
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1457 | 1287 |
| NYT Connections (extended) | 25.8% | — |
| Thematic Generalization | 45.9% | — |
Math Not comparable
MiMo-V2-Pro: 39.5 (#102), Molmo 2 8b: —
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena Math | 1447 | — |
Knowledge Not comparable
MiMo-V2-Pro: 41.4 (#111), Molmo 2 8b: —
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena Expert | 1478 | — |
Multimodal Not comparable
MiMo-V2-Pro: —, Molmo 2 8b: 30.2 (#112)
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |
Multilingual MiMo-V2-Pro leads
MiMo-V2-Pro: 52.7 (#81), Molmo 2 8b: 42.7 (#190)
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1416 | 1276 |
| LMArena Chinese | 1456 | — |
| LMArena French | 1469 | — |
| LMArena German | 1417 | — |
| LMArena Japanese | 1366 | — |
| LMArena Korean | 1400 | — |
| LMArena Russian | 1427 | — |
| LMArena Spanish | 1457 | — |
Instruction Following MiMo-V2-Pro leads
MiMo-V2-Pro: 76.0 (#49), Molmo 2 8b: 67.0 (#201)
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1445 | 1270 |
Long Context Not comparable
MiMo-V2-Pro: 41.5 (#138), Molmo 2 8b: —
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| CL-bench | 15.7% | — |
| CL-bench Life | 6.9% | — |
| LMArena Longer Query | 1455 | — |
Writing & Preference MiMo-V2-Pro leads
MiMo-V2-Pro: 62.8 (#70), Molmo 2 8b: 49.4 (#191)
| Benchmark | MiMo-V2-Pro | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1436 | 1288 |
| LMArena Creative Writing | 1415 | — |
| LMArena Multi-Turn | 1456 | — |
Frequently asked questions
Is MiMo-V2-Pro better than Molmo 2 8b?
MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 39.1 on the Noometry Index.
How many benchmarks do MiMo-V2-Pro and Molmo 2 8b share?
4 benchmarks have published results for both models. MiMo-V2-Pro has 23 scored results on Noometry and Molmo 2 8b has 5.