Model comparison
Molmo 2 8b vs Olmo 3.1 32b Instruct
Molmo 2 8b and Olmo 3.1 32b Instruct score almost the same on the Noometry Index (38.7 vs 38.8), so choose on price, context window or the category you care about most.
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 0 categories and Olmo 3.1 32b Instruct in 4 categories; one gap is clear of the uncertainty.
Side by side
| Molmo 2 8b | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Allen Institute for AI (Ai2) |
| Noometry Index | 38.7 | 38.8 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 5 | 16 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Instruct: 38.9 (#154)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | — | 1346 |
Reasoning Too close to call
Molmo 2 8b: 24.5 (#146), Olmo 3.1 32b Instruct: 25.4 (#131)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1288 | 1322 |
Math Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Instruct: 33.6 (#169)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | — | 1305 |
Knowledge Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Instruct: 35.4 (#175)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | — | 1307 |
Multimodal Not comparable
Molmo 2 8b: 29.5 (#106), Olmo 3.1 32b Instruct: —
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Too close to call
Molmo 2 8b: 42.8 (#186), Olmo 3.1 32b Instruct: 42.8 (#185)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1275 | 1275 |
| LMArena Chinese | — | 1304 |
| LMArena French | — | 1328 |
| LMArena German | — | 1283 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1268 |
| LMArena Spanish | — | 1337 |
Instruction Following Olmo 3.1 32b Instruct leads
Molmo 2 8b: 67.2 (#196), Olmo 3.1 32b Instruct: 68.8 (#182)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1270 | 1298 |
Long Context Not comparable
Molmo 2 8b: —, Olmo 3.1 32b Instruct: 39.9 (#161)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | — | 1312 |
Writing & Preference Too close to call
Molmo 2 8b: 49.5 (#187), Olmo 3.1 32b Instruct: 50.4 (#179)
| Benchmark | Molmo 2 8b | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1288 | 1311 |
| LMArena Creative Writing | — | 1264 |
| LMArena Multi-Turn | — | 1309 |
Frequently asked questions
Is Molmo 2 8b better than Olmo 3.1 32b Instruct?
Molmo 2 8b and Olmo 3.1 32b Instruct score almost the same on the Noometry Index (38.7 vs 38.8), so choose on price, context window or the category you care about most.
How many benchmarks do Molmo 2 8b and Olmo 3.1 32b Instruct share?
4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Olmo 3.1 32b Instruct has 16.