Model comparison
Amazon Nova Pro vs Molmo 2 8b
Molmo 2 8b is the stronger model overall, scoring 39.1 to 31.0 on the Noometry Index.
Last verified . 5 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 5 benchmarks with published results for both. Amazon Nova Pro scores higher in 0 categories and Molmo 2 8b in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Molmo 2 8b leads 25.6 to 20.0.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Pro | Molmo 2 8b | |
|---|---|---|
| Provider | Amazon | Allen Institute for AI (Ai2) |
| Noometry Index | 31.0 | 39.1 |
| Released | 2024-12-03 | — |
| Weights | Proprietary | Open |
| Context window | 300K | — |
| Max output | 10K | — |
| Input $ / M tokens | $0.80 | — |
| Output $ / M tokens | $3.20 | — |
| Results tracked | 38 | 5 |
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Category by category
Coding Not comparable
Amazon Nova Pro: 35.1 (#229), Molmo 2 8b: —
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| LiveBench Coding | 38.1% | — |
| LMArena Coding | 1270 | — |
Agentic & Tool Use Not comparable
Amazon Nova Pro: 16.7 (#147), Molmo 2 8b: —
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
Reasoning Molmo 2 8b leads
Amazon Nova Pro: 20.0 (#243), Molmo 2 8b: 25.6 (#146)
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1287 |
| LiveBench Reasoning | 32.6% | — |
| LiveBench Data Analysis | 48.3% | — |
| Epoch Capabilities Index | 123.8 | — |
| LiveBench | 43.5% | — |
Math Not comparable
Amazon Nova Pro: 28.5 (#243), Molmo 2 8b: —
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |
| LMArena Math | 1252 | — |
Knowledge Not comparable
Amazon Nova Pro: 27.4 (#250), Molmo 2 8b: —
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| Humanity's Last Exam | 4.4% | — |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| Vectara Hallucination Rate | 5.1% | — |
| GPQA (HELM) | 44.6% | — |
| LMArena Expert | 1211 | — |
| MMLU | 82% | — |
Multimodal Molmo 2 8b leads
Amazon Nova Pro: 25.0 (#126), Molmo 2 8b: 30.2 (#112)
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| LMArena Vision | 980 | 1081 |
Multilingual Molmo 2 8b leads
Amazon Nova Pro: 39.7 (#223), Molmo 2 8b: 42.7 (#190)
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1234 | 1276 |
| LMArena Chinese | 1244 | — |
| LMArena French | 1271 | — |
| LMArena German | 1243 | — |
| LMArena Japanese | 1200 | — |
| LMArena Korean | 1203 | — |
| LMArena Russian | 1240 | — |
| LMArena Spanish | 1182 | — |
Instruction Following Molmo 2 8b leads
Amazon Nova Pro: 64.9 (#226), Molmo 2 8b: 67.0 (#201)
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1235 | 1270 |
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |
Long Context Not comparable
Amazon Nova Pro: 38.1 (#205), Molmo 2 8b: —
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1255 | — |
Writing & Preference Molmo 2 8b leads
Amazon Nova Pro: 43.9 (#226), Molmo 2 8b: 49.4 (#191)
| Benchmark | Amazon Nova Pro | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1259 | 1288 |
| LMArena Creative Writing | 1212 | — |
| Short-Story Creative Writing | 60.5% | — |
| WildBench | 77.7% | — |
| LMArena Multi-Turn | 1246 | — |
| LiveBench Language | 37% | — |
Frequently asked questions
Is Amazon Nova Pro better than Molmo 2 8b?
Molmo 2 8b is the stronger model overall, scoring 39.1 to 31.0 on the Noometry Index.
How many benchmarks do Amazon Nova Pro and Molmo 2 8b share?
5 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Molmo 2 8b has 5.