# Chatgpt 4o Latest 20250326 vs Mistral Small

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 33.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-mistral-small
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 9 categories and Mistral Small in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Chatgpt 4o Latest 20250326 leads 35.8 to 15.4.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for Chatgpt 4o Latest 20250326 and 37.8% for Mistral Small.
- Mistral Small has downloadable open weights; the other is API-only.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 43.2 | 33.1 |
| Rank | 84 | 238 |
| Context | — | 256K |
| Input $/M | — | $0.15 |
| Output $/M | — | $0.60 |
| Weights | Proprietary | Open |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- Mistral Small: 33.5 (#242)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Coding | 1413 | 1363 |
| SciCode | — | 26.5% |
| BigCodeBench Instruct | — | 36.1% |
| LiveBench Coding | — | 36.2% |
| BigCodeBench Complete | — | 46.6% |
| ALE-Bench | — | 497.62 |

## Agentic & Tool Use

- Chatgpt 4o Latest 20250326: —
- Mistral Small: 27.9 (#87)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 37.1% |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- Mistral Small: 19.3 (#238)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| Kagi LLM Benchmark | 75% | 37.8% |
| LMArena Hard Prompts | 1424 | 1336 |
| CritPt | — | 0% |
| LiveBench Reasoning | — | 44.8% |
| DTBench | — | 70.9% |
| LiveBench Data Analysis | — | 53.7% |
| LMCA | — | 20.6% |
| LiveBench | — | 44% |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- Mistral Small: 15.4 (#287)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Math | 1407 | 1341 |
| OTIS Mock AIME 2024-2025 | — | 5.8% |
| LiveBench Math | — | 39.9% |
| MATH Level 5 | — | 46.8% |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- Mistral Small: 30.9 (#214)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Expert | 1400 | 1293 |
| GPQA Diamond | — | 47.5% |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 5.1% |
| MMLU | — | 68.7% |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- Mistral Small: 32.9 (#91)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Vision | 1243 | 1142 |

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- Mistral Small: 45.7 (#164)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Non-English | 1419 | 1315 |
| LMArena Chinese | 1456 | 1342 |
| LMArena French | 1447 | 1337 |
| LMArena German | 1424 | 1341 |
| LMArena Japanese | 1406 | 1275 |
| LMArena Korean | 1397 | 1260 |
| LMArena Russian | 1429 | 1324 |
| LMArena Spanish | 1435 | 1346 |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- Mistral Small: 66.6 (#204)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Instruction Following | 1403 | 1310 |
| LiveBench Instruction Following | — | 63.7% |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- Mistral Small: 40.4 (#151)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Longer Query | 1413 | 1327 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- Mistral Small: 52.6 (#165)

| Benchmark | Chatgpt 4o Latest 20250326 | Mistral Small |
|---|---|---|
| LMArena Text | 1429 | 1338 |
| LMArena Creative Writing | 1406 | 1304 |
| LMArena Multi-Turn | 1454 | 1344 |
| EQ-Bench Creative Writing | 1501 | — |
| LiveBench Language | — | 30.5% |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Mistral Small?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 33.1 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or Mistral Small better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.0 versus 33.5 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Mistral Small share?

19 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Mistral Small has 39.