Model comparison
Molmo 2 8b vs o1-mini
Molmo 2 8b is the stronger model overall, scoring 39.1 to 34.0 on the Noometry Index.
Last verified . 4 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 4 benchmarks with published results for both. Molmo 2 8b scores higher in 3 categories and o1-mini in 1 category; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Molmo 2 8b leads 25.6 to 8.8.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Molmo 2 8b | o1-mini | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | OpenAI |
| Noometry Index | 39.1 | 34.0 |
| Released | — | 2024-09-12 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 5 | 39 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, o1-mini: 35.5 (#224)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| Aider Polyglot | — | 32.9% |
| WeirdML | — | 36.3% |
| LiveBench Coding | — | 48% |
| LMArena Coding | — | 1362 |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |
Agentic & Tool Use Not comparable
Molmo 2 8b: —, o1-mini: 24.6 (#118)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| Cybench | — | 10% |
Reasoning Molmo 2 8b leads
Molmo 2 8b: 25.6 (#146), o1-mini: 8.8 (#346)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| LMArena Hard Prompts | 1287 | 1333 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| ARC-AGI-1 | — | 14% |
| LiveBench Reasoning | — | 72.3% |
| LiveBench Data Analysis | — | 57.9% |
| Epoch Capabilities Index | — | 135.82 |
| LiveBench | — | 57.8% |
Math Not comparable
Molmo 2 8b: —, o1-mini: 35.4 (#186)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 46.9% |
| LiveBench Math | — | 62% |
| LMArena Math | — | 1358 |
| MATH Level 5 | — | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge Not comparable
Molmo 2 8b: —, o1-mini: 34.9 (#192)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| GPQA Diamond | — | 62.4% |
| Confabulations | — | 18.6% |
| LMArena Expert | — | 1316 |
Multimodal Not comparable
Molmo 2 8b: 30.2 (#112), o1-mini: —
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Too close to call
Molmo 2 8b: 42.7 (#190), o1-mini: 43.6 (#182)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| LMArena Non-English | 1276 | 1289 |
| LMArena Chinese | — | 1314 |
| LMArena French | — | 1293 |
| LMArena German | — | 1278 |
| LMArena Japanese | — | 1245 |
| LMArena Korean | — | 1223 |
| LMArena Russian | — | 1283 |
| LMArena Spanish | — | 1303 |
Instruction Following Too close to call
Molmo 2 8b: 67.0 (#201), o1-mini: 66.7 (#206)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1270 | 1304 |
| LiveBench Instruction Following | — | 65.4% |
Long Context Not comparable
Molmo 2 8b: —, o1-mini: 40.1 (#161)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| LMArena Longer Query | — | 1320 |
Writing & Preference Too close to call
Molmo 2 8b: 49.4 (#191), o1-mini: 48.4 (#202)
| Benchmark | Molmo 2 8b | o1-mini |
|---|---|---|
| LMArena Text | 1288 | 1317 |
| LMArena Creative Writing | — | 1244 |
| Short-Story Creative Writing | — | 64.9% |
| LMArena Multi-Turn | — | 1314 |
| LiveBench Language | — | 40.9% |
Frequently asked questions
Is Molmo 2 8b better than o1-mini?
Molmo 2 8b is the stronger model overall, scoring 39.1 to 34.0 on the Noometry Index.
How many benchmarks do Molmo 2 8b and o1-mini share?
4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and o1-mini has 39.