# Chatgpt 4o Latest 20250326 vs Claude 3 Sonnet

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-claude-3-sonnet
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 9 categories and Claude 3 Sonnet 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 10.0.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Noometry Index | 43.2 | 28.8 |
| Rank | 84 | 311 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- Claude 3 Sonnet: 29.2 (#296)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Coding | 1413 | 1223 |
| WeirdML | — | 10.2% |
| BigCodeBench Instruct | — | 42.7% |
| BigCodeBench Complete | — | 53.8% |
| HumanEval+ | — | 64% |
| MBPP+ | — | 69.3% |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- Claude 3 Sonnet: 19.7 (#232)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1197 |
| Kagi LLM Benchmark | 75% | — |
| DTBench | — | 53.6% |
| Epoch Capabilities Index | — | 120.69 |
| WinoGrande | — | 75.1% |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- Claude 3 Sonnet: 10.0 (#305)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Math | 1407 | 1213 |
| OTIS Mock AIME 2024-2025 | — | 2.5% |
| MATH Level 5 | — | 18.2% |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- Claude 3 Sonnet: 21.1 (#271)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Expert | 1400 | 1173 |
| GPQA Diamond | — | 40.6% |
| Confabulations | 16.6% | — |
| MMLU | — | 75.9% |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- Claude 3 Sonnet: 24.7 (#120)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Vision | 1243 | 984 |

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- Claude 3 Sonnet: 38.0 (#229)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Non-English | 1419 | 1205 |
| LMArena Chinese | 1456 | 1188 |
| LMArena French | 1447 | 1228 |
| LMArena German | 1424 | 1204 |
| LMArena Japanese | 1406 | 1131 |
| LMArena Korean | 1397 | 1128 |
| LMArena Russian | 1429 | 1227 |
| LMArena Spanish | 1435 | 1204 |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- Claude 3 Sonnet: 63.1 (#230)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Instruction Following | 1403 | 1200 |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- Claude 3 Sonnet: 36.7 (#223)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Longer Query | 1413 | 1211 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- Claude 3 Sonnet: 42.3 (#233)

| Benchmark | Chatgpt 4o Latest 20250326 | Claude 3 Sonnet |
|---|---|---|
| LMArena Text | 1429 | 1218 |
| LMArena Creative Writing | 1406 | 1186 |
| LMArena Multi-Turn | 1454 | 1227 |
| EQ-Bench Creative Writing | 1501 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Claude 3 Sonnet?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 28.8 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or Claude 3 Sonnet better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.0 versus 29.2 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Claude 3 Sonnet share?

18 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Claude 3 Sonnet has 30.