# o3-mini vs Olmo 3.1 32b Instruct

> Olmo 3.1 32b Instruct is the stronger model overall, scoring 39.4 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o3-mini-vs-olmo-3-1-32b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. o3-mini scores higher in 5 categories and Olmo 3.1 32b Instruct in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Olmo 3.1 32b Instruct leads 26.4 to 16.3.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 36.7 | 39.4 |
| Rank | 212 | 168 |
| Context | 200K | — |
| Input $/M | $1.10 | — |
| Output $/M | $4.40 | — |
| Weights | Proprietary | Open |

## Coding

- o3-mini: 40.8 (#132)
- Olmo 3.1 32b Instruct: 39.5 (#157)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1378 | 1347 |
| Aider Polyglot | 60.4% | — |
| SciCode | 39.8% | — |
| GSO | 1.3% | — |
| WeirdML | 43.7% | — |
| LiveBench Coding | 82.7% | — |
| CadEval | 54% | — |

## Agentic & Tool Use

- o3-mini: 29.6 (#84)
- Olmo 3.1 32b Instruct: —

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| Cybench | 22.5% | — |

## Reasoning

- o3-mini: 16.3 (#305)
- Olmo 3.1 32b Instruct: 26.4 (#132)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1366 | 1322 |
| ARC-AGI-2 | 3% | — |
| SimpleBench | 22.8% | — |
| ARC-AGI-1 | 34.5% | — |
| CritPt | 0.3% | — |
| Chess Puzzles | 17% | — |
| LiveBench Reasoning | 89.6% | — |
| Mystery Game Puzzles | 7% | — |
| DTBench | 68.8% | — |
| LiveBench Data Analysis | 70.6% | — |
| LMCA | 19% | — |
| Epoch Capabilities Index | 140.34 | — |
| ForecastBench | 59.6 | — |
| LiveBench | 75.9% | — |

## Math

- o3-mini: 28.1 (#244)
- Olmo 3.1 32b Instruct: 36.3 (#167)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1396 | 1305 |
| FrontierMath (Tiers 1-3) | 18.6% | — |
| FrontierMath Tier 4 | 0% | — |
| OTIS Mock AIME 2024-2025 | 76.9% | — |
| LiveBench Math | 77.3% | — |
| MATH Level 5 | 96.5% | — |
| FrontierMath (Feb 2025 set) | 12.4% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- o3-mini: 38.3 (#146)
- Olmo 3.1 32b Instruct: 36.1 (#175)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1364 | 1308 |
| GPQA Diamond | 77% | — |
| SimpleQA Verified | 15.3% | — |
| Confabulations | 17.9% | — |

## Multilingual

- o3-mini: 45.7 (#164)
- Olmo 3.1 32b Instruct: 42.6 (#191)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1319 | 1275 |
| LMArena Chinese | 1379 | 1304 |
| LMArena French | 1334 | 1328 |
| LMArena German | 1303 | 1282 |
| LMArena Korean | 1314 | 1206 |
| LMArena Russian | 1304 | 1268 |
| LMArena Spanish | 1321 | 1336 |
| LMArena Japanese | 1286 | — |

## Instruction Following

- o3-mini: 75.1 (#72)
- Olmo 3.1 32b Instruct: 68.6 (#187)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1337 | 1299 |
| LiveBench Instruction Following | 84.4% | — |

## Long Context

- o3-mini: 33.8 (#256)
- Olmo 3.1 32b Instruct: 39.9 (#166)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1343 | 1312 |
| Fiction.LiveBench | 50% | — |

## Writing & Preference

- o3-mini: 50.3 (#182)
- Olmo 3.1 32b Instruct: 50.2 (#185)

| Benchmark | o3-mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1337 | 1311 |
| LMArena Creative Writing | 1286 | 1264 |
| LMArena Multi-Turn | 1320 | 1309 |
| Short-Story Creative Writing | 61.7% | — |
| LiveBench Language | 50.7% | — |

## FAQ

### Is o3-mini better than Olmo 3.1 32b Instruct?

Olmo 3.1 32b Instruct is the stronger model overall, scoring 39.4 to 36.7 on the Noometry Index.

### Is o3-mini or Olmo 3.1 32b Instruct better for coding?

o3-mini scores higher on coding benchmarks: 40.8 versus 39.5 in the Noometry coding category.

### How many benchmarks do o3-mini and Olmo 3.1 32b Instruct share?

16 benchmarks have published results for both models. o3-mini has 51 scored results on Noometry and Olmo 3.1 32b Instruct has 16.