# Chatgpt 4o Latest 20250326 vs Olmo 3.1 32b Instruct

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 39.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-olmo-3-1-32b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 8 categories and Olmo 3.1 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.6 to 50.2.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 43.8 | 39.4 |
| Rank | 82 | 168 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Chatgpt 4o Latest 20250326: 41.6 (#122)
- Olmo 3.1 32b Instruct: 39.5 (#157)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1413 | 1347 |

## Reasoning

- Chatgpt 4o Latest 20250326: 33.8 (#71)
- Olmo 3.1 32b Instruct: 26.4 (#132)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1322 |
| Kagi LLM Benchmark | 75% | — |

## Math

- Chatgpt 4o Latest 20250326: 38.6 (#134)
- Olmo 3.1 32b Instruct: 36.3 (#167)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1407 | 1305 |

## Knowledge

- Chatgpt 4o Latest 20250326: 39.2 (#137)
- Olmo 3.1 32b Instruct: 36.1 (#175)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1401 | 1308 |
| Confabulations | 16.6% | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 39.6 (#58)
- Olmo 3.1 32b Instruct: —

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1243 | — |

## Multilingual

- Chatgpt 4o Latest 20250326: 52.9 (#76)
- Olmo 3.1 32b Instruct: 42.6 (#191)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1419 | 1275 |
| LMArena Chinese | 1457 | 1304 |
| LMArena French | 1446 | 1328 |
| LMArena German | 1423 | 1282 |
| LMArena Korean | 1396 | 1206 |
| LMArena Russian | 1429 | 1268 |
| LMArena Spanish | 1434 | 1336 |
| LMArena Japanese | 1405 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.0 (#107)
- Olmo 3.1 32b Instruct: 68.6 (#187)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1403 | 1299 |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#107)
- Olmo 3.1 32b Instruct: 39.9 (#166)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1413 | 1312 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.6 (#72)
- Olmo 3.1 32b Instruct: 50.2 (#185)

| Benchmark | Chatgpt 4o Latest 20250326 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1429 | 1311 |
| LMArena Creative Writing | 1405 | 1264 |
| LMArena Multi-Turn | 1454 | 1309 |
| EQ-Bench Creative Writing | 1501 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Olmo 3.1 32b Instruct?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 39.4 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or Olmo 3.1 32b Instruct better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 39.5 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Olmo 3.1 32b Instruct share?

16 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Olmo 3.1 32b Instruct has 16.