# 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.

- Canonical page: https://noometry.com/compare/o3-pro-vs-olmo-3-1-32b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## 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.

## Snapshot

| | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 42.7 | 38.8 |
| Rank | 94 | 168 |
| Context | 200K | — |
| Input $/M | $20 | — |
| Output $/M | $80 | — |
| Weights | Proprietary | Open |

## Coding

- 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

- 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

- o3-pro: —
- Olmo 3.1 32b Instruct: 33.6 (#169)

| Benchmark | o3-pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | — | 1305 |

## Knowledge

- 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

- 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

- 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: 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: 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 |

## FAQ

### 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.