# o3-pro vs Olmo 3.1 32b Think

> o3-pro is the stronger model overall, scoring 42.9 to 37.9 on the Noometry Index.

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

## Summary

- The widest gap is in long context, where o3-pro leads 72.2 to 38.6.
- Olmo 3.1 32b Think has downloadable open weights; the other is API-only.

## Snapshot

| | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 42.9 | 37.9 |
| Rank | 105 | 191 |
| Context | 200K | — |
| Input $/M | $20 | — |
| Output $/M | $80 | — |
| Weights | Proprietary | Open |

## Coding

- o3-pro: 55.5 (#24)
- Olmo 3.1 32b Think: 37.7 (#189)

| Benchmark | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| Aider Polyglot | 84.9% | — |
| WeirdML | 58.2% | — |
| LMArena Coding | — | 1291 |

## Reasoning

- o3-pro: 23.8 (#171)
- Olmo 3.1 32b Think: 25.2 (#150)

| Benchmark | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 72.1% | — |
| ARC-AGI-1 | 59.3% | — |
| LMArena Hard Prompts | — | 1272 |
| DTBench | 86.9% | — |
| LMCA | 38.5% | — |
| Epoch Capabilities Index | 147.42 | — |

## Math

- o3-pro: —
- Olmo 3.1 32b Think: 36.3 (#168)

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

## Knowledge

- o3-pro: 29.5 (#238)
- Olmo 3.1 32b Think: 35.7 (#181)

| Benchmark | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 23.3% | — |
| LMArena Expert | — | 1295 |

## Multilingual

- o3-pro: —
- Olmo 3.1 32b Think: 38.1 (#231)

| Benchmark | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Non-English | — | 1209 |
| LMArena Chinese | — | 1242 |
| LMArena French | — | 1260 |
| LMArena German | — | 1262 |
| LMArena Russian | — | 1193 |
| LMArena Spanish | — | 1289 |

## Instruction Following

- o3-pro: —
- Olmo 3.1 32b Think: 65.6 (#218)

| Benchmark | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Instruction Following | — | 1247 |

## Long Context

- o3-pro: 72.2 (#1)
- Olmo 3.1 32b Think: 38.6 (#195)

| Benchmark | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | — | 1272 |

## Writing & Preference

- o3-pro: 57.1 (#133)
- Olmo 3.1 32b Think: 46.2 (#220)

| Benchmark | o3-pro | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Text | — | 1272 |
| LMArena Creative Writing | — | 1226 |
| Short-Story Creative Writing | 84.4% | — |
| LMArena Multi-Turn | — | 1252 |

## FAQ

### Is o3-pro better than Olmo 3.1 32b Think?

o3-pro is the stronger model overall, scoring 42.9 to 37.9 on the Noometry Index.

### Is o3-pro or Olmo 3.1 32b Think better for coding?

o3-pro scores higher on coding benchmarks: 55.5 versus 37.7 in the Noometry coding category.

### How many benchmarks do o3-pro and Olmo 3.1 32b Think share?

0 benchmarks have published results for both models. o3-pro has 12 scored results on Noometry and Olmo 3.1 32b Think has 15.