# GPT-6 Sol vs Sonar

> GPT-6 Sol is the stronger model overall, scoring 49.2 to 37.8 on the Noometry Index. Sonar costs 4.0× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-6-sol-vs-sonar
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-6 Sol leads 49.3 to 20.3.
- Sonar is cheaper at $1 / $1 per million input/output tokens, against $2 / $10 for GPT-6 Sol.
- GPT-6 Sol accepts more context: 1.05M tokens versus 128K.

## Snapshot

| | GPT-6 Sol | Sonar |
|---|---|---|
| Provider | OpenAI | Perplexity |
| Noometry Index | 49.2 | 37.8 |
| Rank | 46 | 184 |
| Context | 1.05M | 128K |
| Input $/M | $2 | $1 |
| Output $/M | $10 | $1 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-6 Sol: 59.6 (#11)
- Sonar: 35.1 (#217)

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| DeepSWE | 68.8% | — |
| FrontierCode | 49.3% | — |
| LMArena WebDev | 1692 | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1453 | — |

## Agentic & Tool Use

- GPT-6 Sol: 33.5 (#49)
- Sonar: —

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| GDP.pdf | 28% | — |

## Reasoning

- GPT-6 Sol: 49.3 (#34)
- Sonar: 20.3 (#221)

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| NYT Connections (extended) | 90.1% | — |
| EBR-Bench | 53.3% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1420 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- GPT-6 Sol: 35.8 (#135)
- Sonar: 31.3 (#197)

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1404 | — |

## Knowledge

- GPT-6 Sol: 43.0 (#87)
- Sonar: —

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| Vectara Hallucination Rate | 6.5% | — |
| LMArena Expert | 1449 | — |

## Multimodal

- GPT-6 Sol: 47.6 (#9)
- Sonar: —

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| Furniture Assembly | 58.3% | — |

## Multilingual

- GPT-6 Sol: 51.0 (#113)
- Sonar: —

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| LMArena Non-English | 1389 | — |
| LMArena Chinese | 1416 | — |
| LMArena Russian | 1407 | — |
| LMArena Spanish | 1377 | — |

## Instruction Following

- GPT-6 Sol: 74.4 (#97)
- Sonar: 71.5 (#146)

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1406 | — |

## Long Context

- GPT-6 Sol: 43.2 (#100)
- Sonar: —

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| LMArena Longer Query | 1415 | — |

## Writing & Preference

- GPT-6 Sol: 72.3 (#15)
- Sonar: 52.6 (#166)

| Benchmark | GPT-6 Sol | Sonar |
|---|---|---|
| LMArena Text | 1396 | — |
| LMArena Creative Writing | 1392 | — |
| EQ-Bench Creative Writing | 2125 | — |
| LMArena Multi-Turn | 1405 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is GPT-6 Sol better than Sonar?

GPT-6 Sol is the stronger model overall, scoring 49.2 to 37.8 on the Noometry Index. Sonar costs 4.0× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

### Which is cheaper, GPT-6 Sol or Sonar?

Sonar is cheaper. It lists at $1 per million input tokens and $1 per million output tokens; GPT-6 Sol lists at $2 and $10.

### Is GPT-6 Sol or Sonar better for coding?

GPT-6 Sol scores higher on coding benchmarks: 59.6 versus 35.1 in the Noometry coding category.

### Which has the bigger context window?

GPT-6 Sol does, with 1.05M tokens against 128K.

### How many benchmarks do GPT-6 Sol and Sonar share?

0 benchmarks have published results for both models. GPT-6 Sol has 22 scored results on Noometry and Sonar has 7.