# GPT-5.2 Pro vs GPT-6.1 Sol

> GPT-5.2 Pro has enough public results to be ranked (#34); GPT-6.1 Sol does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/gpt-5-2-pro-vs-gpt-6-1-sol
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- GPT-6.1 Sol is cheaper at $2 / $10 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- GPT-6.1 Sol accepts more context: 1.05M tokens versus 400K.

## Snapshot

| | GPT-5.2 Pro | GPT-6.1 Sol |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 52.2 | 42.1 |
| Rank | 34 | — |
| Context | 400K | 1.05M |
| Input $/M | $21 | $2 |
| Output $/M | $168 | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.2 Pro: —
- GPT-6.1 Sol: 51.4

| Benchmark | GPT-5.2 Pro | GPT-6.1 Sol |
|---|---|---|
| DeepSWE | — | 75.2% |

## Agentic & Tool Use

- GPT-5.2 Pro: —
- GPT-6.1 Sol: 34.3

| Benchmark | GPT-5.2 Pro | GPT-6.1 Sol |
|---|---|---|
| GDP.pdf | — | 32% |

## Reasoning

- GPT-5.2 Pro: 51.8 (#31)
- GPT-6.1 Sol: —

| Benchmark | GPT-5.2 Pro | GPT-6.1 Sol |
|---|---|---|
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| Epoch Capabilities Index | 155.41 | — |

## Math

- GPT-5.2 Pro: 64.8 (#23)
- GPT-6.1 Sol: —

| Benchmark | GPT-5.2 Pro | GPT-6.1 Sol |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| FrontierMath Tier 4 (v1) | 31.3% | — |

## FAQ

### Is GPT-5.2 Pro better than GPT-6.1 Sol?

GPT-5.2 Pro has enough public results to be ranked (#34); GPT-6.1 Sol does not yet, so treat this comparison as directional.

### Which is cheaper, GPT-5.2 Pro or GPT-6.1 Sol?

GPT-6.1 Sol is cheaper. It lists at $2 per million input tokens and $10 per million output tokens; GPT-5.2 Pro lists at $21 and $168.

### Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 400K.

### How many benchmarks do GPT-5.2 Pro and GPT-6.1 Sol share?

0 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and GPT-6.1 Sol has 2.