# Claude Mythos Preview vs GPT-6 Sol

> GPT-6 Sol has enough public results to be ranked (#46); Claude Mythos Preview does not yet, so treat this comparison as directional.

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

## Summary

- The widest gap is in agentic & tool use, where Claude Mythos Preview leads 41.1 to 33.5.

## Snapshot

| | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 40.8 | 49.2 |
| Rank | — | 46 |
| Context | — | 1.05M |
| Input $/M | — | $2 |
| Output $/M | — | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Mythos Preview: —
- GPT-6 Sol: 59.6 (#11)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| DeepSWE | — | 68.8% |
| FrontierCode | — | 49.3% |
| LMArena WebDev | — | 1692 |
| LMArena Coding | — | 1453 |

## Agentic & Tool Use

- Claude Mythos Preview: 41.1
- GPT-6 Sol: 33.5 (#49)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| ExploitBench | 73.8% | — |
| GDP.pdf | — | 28% |
| METR Time Horizons | 85.2% | — |

## Reasoning

- Claude Mythos Preview: —
- GPT-6 Sol: 49.3 (#34)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| NYT Connections (extended) | — | 90.1% |
| EBR-Bench | — | 53.3% |
| LMArena Hard Prompts | — | 1420 |

## Math

- Claude Mythos Preview: —
- GPT-6 Sol: 35.8 (#135)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| LMArena Math | — | 1404 |

## Knowledge

- Claude Mythos Preview: —
- GPT-6 Sol: 43.0 (#87)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| Vectara Hallucination Rate | — | 6.5% |
| LMArena Expert | — | 1449 |

## Multimodal

- Claude Mythos Preview: —
- GPT-6 Sol: 47.6 (#9)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| Furniture Assembly | — | 58.3% |

## Multilingual

- Claude Mythos Preview: —
- GPT-6 Sol: 51.0 (#113)

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

## Instruction Following

- Claude Mythos Preview: —
- GPT-6 Sol: 74.4 (#97)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| LMArena Instruction Following | — | 1406 |

## Long Context

- Claude Mythos Preview: —
- GPT-6 Sol: 43.2 (#100)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| LMArena Longer Query | — | 1415 |

## Writing & Preference

- Claude Mythos Preview: —
- GPT-6 Sol: 72.3 (#15)

| Benchmark | Claude Mythos Preview | GPT-6 Sol |
|---|---|---|
| LMArena Text | — | 1396 |
| LMArena Creative Writing | — | 1392 |
| EQ-Bench Creative Writing | — | 2125 |
| LMArena Multi-Turn | — | 1405 |

## FAQ

### Is Claude Mythos Preview better than GPT-6 Sol?

GPT-6 Sol has enough public results to be ranked (#46); Claude Mythos Preview does not yet, so treat this comparison as directional.

### How many benchmarks do Claude Mythos Preview and GPT-6 Sol share?

0 benchmarks have published results for both models. Claude Mythos Preview has 2 scored results on Noometry and GPT-6 Sol has 22.