# GPT-5.5 Pro vs Olmo 3.1 32b Instruct

> GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 39.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-5-pro-vs-olmo-3-1-32b-instruct
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where GPT-5.5 Pro leads 84.0 to 36.3.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 64.3 | 39.4 |
| Rank | 8 | 168 |
| Context | 1.05M | — |
| Input $/M | $30 | — |
| Output $/M | $180 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.5 Pro: —
- Olmo 3.1 32b Instruct: 39.5 (#157)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | — | 1347 |

## Reasoning

- GPT-5.5 Pro: 73.3 (#10)
- Olmo 3.1 32b Instruct: 26.4 (#132)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| ARC-AGI-2 | 84.6% | — |
| SimpleBench | 76.9% | — |
| ARC-AGI-1 | 96.5% | — |
| CritPt | 30.6% | — |
| Chess Puzzles | 64% | — |
| LMArena Hard Prompts | — | 1322 |
| DTBench | 96% | — |
| LMCA | 53.9% | — |
| Epoch Capabilities Index | 162.07 | — |

## Math

- GPT-5.5 Pro: 84.0 (#10)
- Olmo 3.1 32b Instruct: 36.3 (#167)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 87.7% | — |
| FrontierMath Tier 4 | 78% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| LMArena Math | — | 1305 |
| FrontierMath (Feb 2025 set) | 52.4% | — |
| FrontierMath Tier 4 (v1) | 39.6% | — |

## Knowledge

- GPT-5.5 Pro: 64.1 (#19)
- Olmo 3.1 32b Instruct: 36.1 (#175)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| GPQA Diamond | 93.9% | — |
| LMArena Expert | — | 1308 |

## Multilingual

- GPT-5.5 Pro: —
- Olmo 3.1 32b Instruct: 42.6 (#191)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | — | 1275 |
| LMArena Chinese | — | 1304 |
| LMArena French | — | 1328 |
| LMArena German | — | 1282 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1268 |
| LMArena Spanish | — | 1336 |

## Instruction Following

- GPT-5.5 Pro: —
- Olmo 3.1 32b Instruct: 68.6 (#187)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1299 |

## Long Context

- GPT-5.5 Pro: —
- Olmo 3.1 32b Instruct: 39.9 (#166)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | — | 1312 |

## Writing & Preference

- GPT-5.5 Pro: —
- Olmo 3.1 32b Instruct: 50.2 (#185)

| Benchmark | GPT-5.5 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | — | 1311 |
| LMArena Creative Writing | — | 1264 |
| LMArena Multi-Turn | — | 1309 |

## FAQ

### Is GPT-5.5 Pro better than Olmo 3.1 32b Instruct?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 39.4 on the Noometry Index.

### How many benchmarks do GPT-5.5 Pro and Olmo 3.1 32b Instruct share?

0 benchmarks have published results for both models. GPT-5.5 Pro has 14 scored results on Noometry and Olmo 3.1 32b Instruct has 16.