# Chatgpt 4o Latest 20250326 vs Sonar

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 37.8 on the Noometry Index.

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

## Summary

- The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 32.8 to 20.3.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| Provider | OpenAI | Perplexity |
| Noometry Index | 43.2 | 37.8 |
| Rank | 84 | 184 |
| Context | — | 128K |
| Input $/M | — | $1 |
| Output $/M | — | $1 |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- Sonar: 35.1 (#217)

| Benchmark | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1413 | — |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- Sonar: 20.3 (#221)

| Benchmark | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| Kagi LLM Benchmark | 75% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1424 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- Sonar: 31.3 (#197)

| Benchmark | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1407 | — |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- Sonar: —

| Benchmark | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| Confabulations | 16.6% | — |
| LMArena Expert | 1400 | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- Sonar: —

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

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- Sonar: —

| Benchmark | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| LMArena Non-English | 1419 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1447 | — |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |
| LMArena Russian | 1429 | — |
| LMArena Spanish | 1435 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- Sonar: 71.5 (#146)

| Benchmark | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1403 | — |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- Sonar: —

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

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- Sonar: 52.6 (#166)

| Benchmark | Chatgpt 4o Latest 20250326 | Sonar |
|---|---|---|
| LMArena Text | 1429 | — |
| LMArena Creative Writing | 1406 | — |
| EQ-Bench Creative Writing | 1501 | — |
| LMArena Multi-Turn | 1454 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Sonar?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 37.8 on the Noometry Index.

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

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.0 versus 35.1 in the Noometry coding category.

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

0 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Sonar has 7.