# Claude 2.1 vs GPT-6.1 Sol

> Claude 2.1 has enough public results to be ranked (#340); GPT-6.1 Sol does not yet, so treat this comparison as directional.

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

## Summary

- The widest gap is in coding, where GPT-6.1 Sol leads 51.4 to 25.8.

## Snapshot

| | Claude 2.1 | GPT-6.1 Sol |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 24.9 | 42.1 |
| Rank | 340 | — |
| Context | — | 1.05M |
| Input $/M | — | $2 |
| Output $/M | — | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2.1: 25.8 (#322)
- GPT-6.1 Sol: 51.4

| Benchmark | Claude 2.1 | GPT-6.1 Sol |
|---|---|---|
| DeepSWE | — | 75.2% |
| WeirdML | 7.1% | — |

## Agentic & Tool Use

- Claude 2.1: —
- GPT-6.1 Sol: 34.3

| Benchmark | Claude 2.1 | GPT-6.1 Sol |
|---|---|---|
| GDP.pdf | — | 32% |

## Reasoning

- Claude 2.1: 20.6 (#216)
- GPT-6.1 Sol: —

| Benchmark | Claude 2.1 | GPT-6.1 Sol |
|---|---|---|
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 9.6 (#309)
- GPT-6.1 Sol: —

| Benchmark | Claude 2.1 | GPT-6.1 Sol |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |

## Knowledge

- Claude 2.1: 15.5 (#287)
- GPT-6.1 Sol: —

| Benchmark | Claude 2.1 | GPT-6.1 Sol |
|---|---|---|
| GPQA Diamond | 33% | — |
| MMLU | 73.5% | — |

## FAQ

### Is Claude 2.1 better than GPT-6.1 Sol?

Claude 2.1 has enough public results to be ranked (#340); GPT-6.1 Sol does not yet, so treat this comparison as directional.

### Is Claude 2.1 or GPT-6.1 Sol better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 51.4 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and GPT-6.1 Sol share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and GPT-6.1 Sol has 2.