Model comparison
Claude 3.7 Sonnet vs Molmo 2 8b
Claude 3.7 Sonnet and Molmo 2 8b score almost the same on the Noometry Index (39.5 vs 39.1), so choose on price, context window or the category you care about most.
Last verified . 5 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 5 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 4 categories and Molmo 2 8b in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Molmo 2 8b leads 25.6 to 18.6.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Claude 3.7 Sonnet | Molmo 2 8b | |
|---|---|---|
| Provider | Anthropic | Allen Institute for AI (Ai2) |
| Noometry Index | 39.5 | 39.1 |
| Released | 2025-02-24 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 58 | 5 |
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Category by category
Coding Not comparable
Claude 3.7 Sonnet: 40.6 (#136), Molmo 2 8b: —
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| SWE-bench Verified | 61% | — |
| SWE-bench Verified (bash only) | 52.8% | — |
| Aider Polyglot | 64.9% | — |
| GSO | 3.8% | — |
| LiveBench Coding | 74.5% | — |
| LMArena Coding | 1361 | — |
| CadEval | 54% | — |
Agentic & Tool Use Not comparable
Claude 3.7 Sonnet: 34.1 (#50), Molmo 2 8b: —
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| TheAgentCompany | 30.9% | — |
| Cybench | 20% | — |
| DeepResearch Bench | 43.6% | — |
| OSWorld | 35.8% | — |
| METR Time Horizons | 60% | — |
Reasoning Molmo 2 8b leads
Claude 3.7 Sonnet: 18.6 (#277), Molmo 2 8b: 25.6 (#146)
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1333 | 1287 |
| ARC-AGI-2 | 0.9% | — |
| SimpleBench | 46.4% | — |
| ARC-AGI-1 | 28.6% | — |
| EnigmaEval | 4.2% | — |
| LiveBench Reasoning | 87.8% | — |
| LiveBench Data Analysis | 74% | — |
| Epoch Capabilities Index | 141.16 | — |
| ForecastBench | 61.8 | — |
| LiveBench | 76.1% | — |
Math Not comparable
Claude 3.7 Sonnet: 37.5 (#153), Molmo 2 8b: —
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | — |
| Omni-MATH | 33% | — |
| LiveBench Math | 79% | — |
| LMArena Math | 1337 | — |
| MATH Level 5 | 91.2% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
Knowledge Not comparable
Claude 3.7 Sonnet: 39.8 (#130), Molmo 2 8b: —
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| GPQA Diamond | 79.7% | — |
| Humanity's Last Exam | 8% | — |
| MMLU-Pro | 78.4% | — |
| Confabulations | 14.7% | — |
| GPQA (HELM) | 60.8% | — |
| LMArena Expert | 1321 | — |
Multimodal Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 33.7 (#95), Molmo 2 8b: 30.2 (#112)
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| LMArena Vision | 1169 | 1081 |
| GeoBench | 68% | — |
| VPCT | 39% | — |
| SpatialViz-Bench | 33.9% | — |
Multilingual Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 44.1 (#179), Molmo 2 8b: 42.7 (#190)
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1296 | 1276 |
| LMArena Chinese | 1299 | — |
| LMArena French | 1303 | — |
| LMArena German | 1301 | — |
| LMArena Japanese | 1267 | — |
| LMArena Korean | 1249 | — |
| LMArena Russian | 1311 | — |
| LMArena Spanish | 1298 | — |
Instruction Following Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 72.9 (#125), Molmo 2 8b: 67.0 (#201)
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1352 | 1270 |
| LiveBench Instruction Following | 81.3% | — |
| IFEval | 83.4% | — |
Long Context Not comparable
Claude 3.7 Sonnet: 50.3 (#10), Molmo 2 8b: —
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| Fiction.LiveBench | 83.3% | — |
| LMArena Longer Query | 1373 | — |
Writing & Preference Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 54.4 (#150), Molmo 2 8b: 49.4 (#191)
| Benchmark | Claude 3.7 Sonnet | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1314 | 1288 |
| LMArena Creative Writing | 1332 | — |
| Short-Story Creative Writing | 81.1% | — |
| EQ-Bench Creative Writing | 1412 | — |
| WildBench | 81.4% | — |
| LMArena Multi-Turn | 1339 | — |
| LiveBench Language | 59.9% | — |
Frequently asked questions
Is Claude 3.7 Sonnet better than Molmo 2 8b?
Claude 3.7 Sonnet and Molmo 2 8b score almost the same on the Noometry Index (39.5 vs 39.1), so choose on price, context window or the category you care about most.
How many benchmarks do Claude 3.7 Sonnet and Molmo 2 8b share?
5 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and Molmo 2 8b has 5.