# Claude Mythos 5 vs Claude Opus 4.7 (Adaptive)

> Side-by-side benchmark comparison for Claude Mythos 5 and Claude Opus 4.7 (Adaptive) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-mythos-5-vs-claude-opus-4-7-adaptive
- Last updated: September 4, 2026

- Shared sourced benchmarks: 12
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Mythos 5 if you want the stronger benchmark profile. Claude Opus 4.7 (Adaptive) only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Mythos 5 leads overall 85 to 69.94.
- The clearest category separation is in multimodal & grounded, where the averages are 85.1 for Claude Mythos 5 and 50.3 for Claude Opus 4.7 (Adaptive).
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 88% and 69.4%.
- Claude Opus 4.7 (Adaptive) is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) |
|----------|----------|----------|
| Creator | Anthropic | Anthropic |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 1M |
| Overall Score | null | 69.94 |
| Benchmarks Covered | 15 | 21 |
| Pricing (input/output) | $10.00 / $50.00 | $5.00 / $25.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 61 (Supported · #21/151)

| Benchmark | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 88% | 69.4% | Claude Mythos 5 |
| OSWorld-Verified | 85% | 78% | Claude Mythos 5 |
| BrowseComp | 88% | 79.3% | Claude Mythos 5 |
| CyberGym | 83.8% | 73.1% | Claude Mythos 5 |
| MCP Atlas | Coming soon | 77.3% | Coming soon |
| OSWorld 2.0 | Coming soon | 18.2% | Coming soon |
| JobBench | Coming soon | 45.9% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 59.6 (Estimated · #27/183)

| Benchmark | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95.5% | 87.6% | Claude Mythos 5 |
| SWE-bench Pro | 80.3% | 64.3% | Claude Mythos 5 |
| Terminal-Bench 2.0 | 88.0% | 69.4% | Claude Mythos 5 |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Mythos 5 public-lane score: 85.1 (Unranked · 3 rankable rows)
- Claude Opus 4.7 (Adaptive) public-lane score: 50.3 (#36/48)

| Benchmark | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Multimodal | 54.9% | Coming soon | Coming soon |
| CharXiv | 93.5% | 91% | Claude Mythos 5 |
| CharXiv w/o tools | 88.9% | 82.1% | Claude Mythos 5 |
| OfficeQA Pro | Coming soon | 43.6% | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 49.7 (Unranked · 3 rankable rows)

| Benchmark | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 128K-256K | Coming soon | 59.2% | Coming soon |
| ARC-AGI-2 | Coming soon | 75.8% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.2% | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 61.9 (Estimated · #31/181)

| Benchmark | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.1% | 94.2% | Claude Opus 4.7 (Adaptive) |
| HLE | 64.5% | 54.7% | Claude Mythos 5 |
| HLE w/o tools | 59% | 46.9% | Claude Mythos 5 |
| GPQA-D | Coming soon | 94.2% | Coming soon |

### Multilingual

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 92.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | Claude Opus 4.7 (Adaptive) | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 97.6% | Coming soon | Coming soon |
| FrontierMath (legacy) | Coming soon | 43.8% | Coming soon |

## FAQ

### Which is better overall, Claude Mythos 5 or Claude Opus 4.7 (Adaptive)?

Claude Mythos 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Mythos 5 and Claude Opus 4.7 (Adaptive)?

The widest category gap is in multimodal & grounded, where the averages are 85.1 for Claude Mythos 5 and 50.3 for Claude Opus 4.7 (Adaptive).

### How many benchmarks does Claude Mythos 5 cover on BenchLM?

Claude Mythos 5 currently has 15 sourced benchmark scores on BenchLM.

### How many benchmarks does Claude Opus 4.7 (Adaptive) cover on BenchLM?

Claude Opus 4.7 (Adaptive) currently has 21 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Mythos 5 vs Claude Mythos 5.1](/compare/claude-mythos-5-vs-claude-mythos-5-1)
- [Claude Opus 4.7 (Adaptive) vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-claude-opus-4-7-adaptive)
- [Claude Mythos 5 vs Claude Mythos Preview](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [Claude Opus 4.7 (Adaptive) vs Claude Mythos Preview](/compare/claude-mythos-preview-vs-claude-opus-4-7-adaptive)

## Explore More

- [Claude Mythos 5 profile](/models/claude-mythos-5)
- [Claude Opus 4.7 (Adaptive) profile](/models/claude-opus-4-7-adaptive)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)