Model comparison
Molmo 2 8b vs Olmo 3.1 32b Think
Molmo 2 8b is the stronger model overall, scoring 39.1 to 37.9 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 4 categories and Olmo 3.1 32b Think in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Molmo 2 8b leads 42.7 to 38.1.
Side by side
| Molmo 2 8b | Olmo 3.1 32b Think | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Allen Institute for AI (Ai2) |
| Noometry Index | 39.1 | 37.9 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 5 | 15 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Think: 37.7 (#189)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Coding | — | 1291 |
Reasoning Too close to call
Molmo 2 8b: 25.6 (#146), Olmo 3.1 32b Think: 25.2 (#150)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Hard Prompts | 1287 | 1272 |
Math Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Think: 36.3 (#168)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Math | — | 1305 |
Knowledge Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Think: 35.7 (#181)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Expert | — | 1295 |
Multimodal Not comparable
Molmo 2 8b: 30.2 (#112), Olmo 3.1 32b Think: —
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Molmo 2 8b leads
Molmo 2 8b: 42.7 (#190), Olmo 3.1 32b Think: 38.1 (#231)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Non-English | 1276 | 1209 |
| LMArena Chinese | — | 1242 |
| LMArena French | — | 1260 |
| LMArena German | — | 1262 |
| LMArena Russian | — | 1193 |
| LMArena Spanish | — | 1289 |
Instruction Following Molmo 2 8b leads
Molmo 2 8b: 67.0 (#201), Olmo 3.1 32b Think: 65.6 (#218)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Instruction Following | 1270 | 1247 |
Long Context Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Think: 38.6 (#195)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Longer Query | — | 1272 |
Writing & Preference Molmo 2 8b leads
Molmo 2 8b: 49.4 (#191), Olmo 3.1 32b Think: 46.2 (#220)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Text | 1288 | 1272 |
| LMArena Creative Writing | — | 1226 |
| LMArena Multi-Turn | — | 1252 |
Frequently asked questions
Is Molmo 2 8b better than Olmo 3.1 32b Think?
Molmo 2 8b is the stronger model overall, scoring 39.1 to 37.9 on the Noometry Index.
How many benchmarks do Molmo 2 8b and Olmo 3.1 32b Think share?
4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Olmo 3.1 32b Think has 15.