# Chatgpt 4o Latest 20250326 vs o1-pro

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-o1-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 33.8 to 20.4.

## Snapshot

| | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 43.8 | 31.5 |
| Rank | 82 | 271 |
| Context | — | 200K |
| Input $/M | — | $150 |
| Output $/M | — | $600 |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.6 (#122)
- o1-pro: —

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| LMArena Coding | 1413 | — |

## Reasoning

- Chatgpt 4o Latest 20250326: 33.8 (#71)
- o1-pro: 20.4 (#239)

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| Kagi LLM Benchmark | 75% | — |
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1424 | — |

## Math

- Chatgpt 4o Latest 20250326: 38.6 (#134)
- o1-pro: —

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| LMArena Math | 1407 | — |

## Knowledge

- Chatgpt 4o Latest 20250326: 39.2 (#137)
- o1-pro: 29.7 (#234)

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
| Confabulations | 16.6% | — |
| LMArena Expert | 1401 | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 39.6 (#58)
- o1-pro: —

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| LMArena Vision | 1243 | — |

## Multilingual

- Chatgpt 4o Latest 20250326: 52.9 (#76)
- o1-pro: —

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| LMArena Non-English | 1419 | — |
| LMArena Chinese | 1457 | — |
| LMArena French | 1446 | — |
| LMArena German | 1423 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1396 | — |
| LMArena Russian | 1429 | — |
| LMArena Spanish | 1434 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.0 (#107)
- o1-pro: —

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1403 | — |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#107)
- o1-pro: —

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| LMArena Longer Query | 1413 | — |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.6 (#72)
- o1-pro: —

| Benchmark | Chatgpt 4o Latest 20250326 | o1-pro |
|---|---|---|
| LMArena Text | 1429 | — |
| LMArena Creative Writing | 1405 | — |
| EQ-Bench Creative Writing | 1501 | — |
| LMArena Multi-Turn | 1454 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than o1-pro?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 31.5 on the Noometry Index.

### How many benchmarks do Chatgpt 4o Latest 20250326 and o1-pro share?

0 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and o1-pro has 3.