Model comparison
o3-pro vs Olmo 2 0325 32b Instruct
o3-pro is the stronger model overall, scoring 42.9 to 32.7 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 72.2 to 36.2.
- Olmo 2 0325 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| o3-pro | Olmo 2 0325 32b Instruct | |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 42.9 | 32.7 |
| 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: 55.5 (#24), Olmo 2 0325 32b Instruct: 35.2 (#227)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| Aider Polyglot | 84.9% | — |
| WeirdML | 58.2% | — |
| LMArena Coding | — | 1210 |
Reasoning Too close to call
o3-pro: 23.8 (#171), Olmo 2 0325 32b Instruct: 23.6 (#175)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 72.1% | — |
| ARC-AGI-1 | 59.3% | — |
| LMArena Hard Prompts | — | 1208 |
| DTBench | 86.9% | — |
| LMCA | 38.5% | — |
| Epoch Capabilities Index | 147.42 | — |
Math Not comparable
o3-pro: —, Olmo 2 0325 32b Instruct: 26.8 (#255)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| Omni-MATH | — | 16.1% |
| LMArena Math | — | 1208 |
Knowledge o3-pro leads
o3-pro: 29.5 (#238), Olmo 2 0325 32b Instruct: 19.5 (#279)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| MMLU-Pro | — | 41.4% |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 23.3% | — |
| GPQA (HELM) | — | 28.7% |
Multilingual Not comparable
o3-pro: —, Olmo 2 0325 32b Instruct: 34.8 (#248)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Non-English | — | 1160 |
| LMArena Chinese | — | 1192 |
| LMArena Russian | — | 1187 |
Instruction Following Not comparable
o3-pro: —, Olmo 2 0325 32b Instruct: 61.5 (#244)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| IFEval | — | 78% |
| LMArena Instruction Following | — | 1186 |
Long Context o3-pro leads
o3-pro: 72.2 (#1), Olmo 2 0325 32b Instruct: 36.2 (#234)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | — | 1194 |
Writing & Preference o3-pro leads
o3-pro: 57.1 (#133), Olmo 2 0325 32b Instruct: 42.1 (#236)
| Benchmark | o3-pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Text | — | 1218 |
| LMArena Creative Writing | — | 1199 |
| Short-Story Creative Writing | 84.4% | — |
| WildBench | — | 73.4% |
| LMArena Multi-Turn | — | 1221 |
Frequently asked questions
Is o3-pro better than Olmo 2 0325 32b Instruct?
o3-pro is the stronger model overall, scoring 42.9 to 32.7 on the Noometry Index.
Is o3-pro or Olmo 2 0325 32b Instruct better for coding?
o3-pro scores higher on coding benchmarks: 55.5 versus 35.2 in the Noometry coding category.
How many benchmarks do o3-pro and Olmo 2 0325 32b Instruct share?
0 benchmarks have published results for both models. o3-pro has 12 scored results on Noometry and Olmo 2 0325 32b Instruct has 16.