# Claude Mythos Preview vs GPT-6 Sol

> Side-by-side benchmark comparison for Claude Mythos Preview and GPT-6 Sol across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-mythos-preview-vs-gpt-6-sol
- Last updated: September 22, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Mythos Preview and GPT-6 Sol share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- GPT-6 Sol has the lower published output-token price.
- GPT-6 Sol has the larger published context window at 1.05M.

## Model Snapshot

| Property | Claude Mythos Preview | GPT-6 Sol |
|----------|----------|----------|
| Creator | Anthropic | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | null | 1.05M |
| Independent public score (not head-to-head) | null | 80.45 |
| Benchmarks Covered | 2 | 10 |
| Pricing (input/output) | $25.00 / $125.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- GPT-6 Sol public-lane score: 69.7 (Estimated · #7/157)

| Benchmark | Claude Mythos Preview | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| CyberGym | 83.1% | Coming soon | Coming soon |
| ExploitGym | 17.5% | 22.1% | GPT-6 Sol |
| Agents' Last Exam | Coming soon | 56.4% | Coming soon |
| AutomationBench | Coming soon | 33.2% | Coming soon |
| OSWorld 2.0 | Coming soon | 60.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- GPT-6 Sol public-lane score: 74.3 (Estimated · #6/159)

| Benchmark | Claude Mythos Preview | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | Coming soon | 68.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- GPT-6 Sol public-lane score: 78.5 (#5/17)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- GPT-6 Sol public-lane score: 82.8 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- GPT-6 Sol public-lane score: 80.2 (Estimated · #6/189)

| Benchmark | Claude Mythos Preview | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | Coming soon | 47.1% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 53.2% | Coming soon |
| HealthBench Professional | Coming soon | 60.8% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 59.5% | Coming soon |
| HealthBench Hard | Coming soon | 30.1% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Mythos Preview and GPT-6 Sol?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude Mythos Preview vs Claude Mythos 5](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [GPT-6 Sol vs Claude Mythos 5](/compare/claude-mythos-5-vs-gpt-6-sol)
- [Claude Mythos Preview vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-claude-mythos-preview)
- [GPT-6 Sol vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-gpt-6-sol)

## Explore More

- [Claude Mythos Preview profile](/models/claude-mythos-preview)
- [GPT-6 Sol profile](/models/gpt-6-sol)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)