Model comparison
Molmo 2 8b vs Nova 2.0 Pro Preview
Molmo 2 8b is the stronger model overall, scoring 39.1 to 33.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in reasoning, where Molmo 2 8b leads 25.6 to 22.4.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Molmo 2 8b | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Amazon |
| Noometry Index | 39.1 | 33.4 |
| Released | — | 2025-12-02 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 5 | 3 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | Molmo 2 8b | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | — | 42.7% |
Agentic & Tool Use Not comparable
Molmo 2 8b: —, Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | Molmo 2 8b | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |
Reasoning Molmo 2 8b leads
Molmo 2 8b: 25.6 (#146), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | Molmo 2 8b | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 1287 | — |
Multimodal Not comparable
Molmo 2 8b: 30.2 (#112), Nova 2.0 Pro Preview: —
| Benchmark | Molmo 2 8b | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Not comparable
Molmo 2 8b: 42.7 (#190), Nova 2.0 Pro Preview: —
| Benchmark | Molmo 2 8b | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1276 | — |
Instruction Following Not comparable
Molmo 2 8b: 67.0 (#201), Nova 2.0 Pro Preview: —
| Benchmark | Molmo 2 8b | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1270 | — |
Writing & Preference Not comparable
Molmo 2 8b: 49.4 (#191), Nova 2.0 Pro Preview: —
| Benchmark | Molmo 2 8b | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1288 | — |
Frequently asked questions
Is Molmo 2 8b better than Nova 2.0 Pro Preview?
Molmo 2 8b is the stronger model overall, scoring 39.1 to 33.4 on the Noometry Index.
How many benchmarks do Molmo 2 8b and Nova 2.0 Pro Preview share?
0 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Nova 2.0 Pro Preview has 3.