Model comparison
o3-pro vs Olmo 3.1 32b Instruct
o3-pro is the stronger model overall, scoring 42.7 to 38.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in long context, where o3-pro leads 72.1 to 39.9.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| o3-pro | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 42.7 | 38.8 |
| Released | 2025-06-10 | — |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 100K | — |
| Input $ / M tokens | $20 | — |
| Output $ / M tokens | $80 | — |
| Results tracked | 12 | 16 |
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Category by category
Coding o3-pro leads
o3-pro: 55.1 (#22), Olmo 3.1 32b Instruct: 38.9 (#154)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| Aider Polyglot | 84.9% | — |
| WeirdML | 58.2% | — |
| LMArena Coding | — | 1346 |
Reasoning Olmo 3.1 32b Instruct leads
o3-pro: 24.1 (#152), Olmo 3.1 32b Instruct: 25.4 (#131)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 72.1% | — |
| ARC-AGI-1 | 59.3% | — |
| LMArena Hard Prompts | — | 1322 |
| DTBench | 86.9% | — |
| LMCA | 38.5% | — |
| Epoch Capabilities Index | 147.43 | — |
Math Not comparable
o3-pro: —, Olmo 3.1 32b Instruct: 33.6 (#169)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | — | 1305 |
Knowledge Olmo 3.1 32b Instruct leads
o3-pro: 29.0 (#234), Olmo 3.1 32b Instruct: 35.4 (#175)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 23.3% | — |
| LMArena Expert | — | 1307 |
Multilingual Not comparable
o3-pro: —, Olmo 3.1 32b Instruct: 42.8 (#185)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | — | 1275 |
| LMArena Chinese | — | 1304 |
| LMArena French | — | 1328 |
| LMArena German | — | 1283 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1268 |
| LMArena Spanish | — | 1337 |
Instruction Following Not comparable
o3-pro: —, Olmo 3.1 32b Instruct: 68.8 (#182)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1298 |
Long Context o3-pro leads
o3-pro: 72.1 (#1), Olmo 3.1 32b Instruct: 39.9 (#161)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | — | 1312 |
Writing & Preference o3-pro leads
o3-pro: 57.1 (#128), Olmo 3.1 32b Instruct: 50.4 (#179)
| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | — | 1311 |
| LMArena Creative Writing | — | 1264 |
| Short-Story Creative Writing | 84.4% | — |
| LMArena Multi-Turn | — | 1309 |
Frequently asked questions
Is o3-pro better than Olmo 3.1 32b Instruct?
o3-pro is the stronger model overall, scoring 42.7 to 38.8 on the Noometry Index.
Is o3-pro or Olmo 3.1 32b Instruct better for coding?
o3-pro scores higher on coding benchmarks: 55.1 versus 38.9 in the Noometry coding category.
How many benchmarks do o3-pro and Olmo 3.1 32b Instruct share?
0 benchmarks have published results for both models. o3-pro has 12 scored results on Noometry and Olmo 3.1 32b Instruct has 16.