# GPT-4 vs Sonar

> Sonar is the stronger model overall, scoring 38.5 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4-vs-sonar
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Sonar leads 33.7 to 10.8.
- Sonar is cheaper at $1 / $1 per million input/output tokens, against $30 / $60 for GPT-4.
- Sonar accepts more context: 128K tokens versus 8K.

## Snapshot

| | GPT-4 | Sonar |
|---|---|---|
| Provider | OpenAI | Perplexity |
| Noometry Index | 29.1 | 38.5 |
| Rank | 316 | 187 |
| Context | 8K | 128K |
| Input $/M | $30 | $1 |
| Output $/M | $60 | $1 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4: 31.6 (#283)
- Sonar: 35.7 (#221)

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| WeirdML | 12.4% | — |
| BigCodeBench Instruct | 46% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1254 | — |
| BigCodeBench Complete | 57.2% | — |
| HumanEval+ | 79.3% | — |

## Agentic & Tool Use

- GPT-4: —
- Sonar: —

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| METR Time Horizons | 36.1% | — |

## Reasoning

- GPT-4: 17.8 (#289)
- Sonar: 21.1 (#227)

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| Chess Puzzles | 4% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1241 | — |
| Mystery Game Puzzles | 12% | — |
| DTBench | 62.7% | — |
| LiveBench Data Analysis | — | 37.9% |
| LMCA | 17.1% | — |
| BIG-Bench Hard | 75.1% | — |
| Epoch Capabilities Index | 125.89 | — |
| ForecastBench | 57.8 | — |
| HellaSwag | 95.3% | — |
| LiveBench | — | 46.9% |
| WinoGrande | 87.5% | — |

## Math

- GPT-4: 10.8 (#309)
- Sonar: 33.7 (#200)

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1269 | — |
| MATH Level 5 | 23% | — |
| GSM8K | 92% | — |

## Knowledge

- GPT-4: 18.4 (#282)
- Sonar: —

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| GPQA Diamond | 35.7% | — |
| LMArena Expert | 1211 | — |
| MMLU | 86.4% | — |
| TriviaQA | 84.8% | — |

## Multilingual

- GPT-4: 40.6 (#215)
- Sonar: —

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| LMArena Non-English | 1246 | — |
| LMArena Chinese | 1242 | — |
| LMArena French | 1283 | — |
| LMArena German | 1251 | — |
| LMArena Japanese | 1209 | — |
| LMArena Korean | 1184 | — |
| LMArena Russian | 1251 | — |
| LMArena Spanish | 1261 | — |

## Instruction Following

- GPT-4: 65.3 (#222)
- Sonar: 71.4 (#150)

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1241 | — |

## Long Context

- GPT-4: 37.7 (#212)
- Sonar: —

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| LMArena Longer Query | 1244 | — |

## Writing & Preference

- GPT-4: 34.9 (#268)
- Sonar: 52.6 (#167)

| Benchmark | GPT-4 | Sonar |
|---|---|---|
| LMArena Text | 1263 | — |
| LMArena Creative Writing | 1244 | — |
| EQ-Bench Creative Writing | 752 | — |
| LMArena Multi-Turn | 1257 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is GPT-4 better than Sonar?

Sonar is the stronger model overall, scoring 38.5 to 29.1 on the Noometry Index.

### Which is cheaper, GPT-4 or Sonar?

Sonar is cheaper. It lists at $1 per million input tokens and $1 per million output tokens; GPT-4 lists at $30 and $60.

### Is GPT-4 or Sonar better for coding?

Sonar scores higher on coding benchmarks: 35.7 versus 31.6 in the Noometry coding category.

### Which has the bigger context window?

Sonar does, with 128K tokens against 8K.

### How many benchmarks do GPT-4 and Sonar share?

0 benchmarks have published results for both models. GPT-4 has 38 scored results on Noometry and Sonar has 7.