# Claude Opus 4.7 (Adaptive) vs Claude Sonnet 4.5

> Side-by-side benchmark comparison for Claude Opus 4.7 (Adaptive) and Claude Sonnet 4.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Opus 4.7 (Adaptive) if you want the stronger benchmark profile. Claude Sonnet 4.5 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 4.7 (Adaptive) leads overall 69.94 to 53.74.
- The clearest category separation is in reasoning, where the averages are 49.7 for Claude Opus 4.7 (Adaptive) and 19.1 for Claude Sonnet 4.5.
- The biggest single benchmark swing is ARC-AGI-2 in Reasoning, with scores of 75.8% and 13.6%.
- Claude Sonnet 4.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Opus 4.7 (Adaptive) also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.7 (Adaptive) | Claude Sonnet 4.5 |
|----------|----------|----------|
| Creator | Anthropic | Anthropic |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 200K |
| Overall Score | 69.94 | 53.74 |
| Benchmarks Covered | 21 | 11 |
| Pricing (input/output) | $5.00 / $25.00 | $3.00 / $15.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 61 (Supported · #21/151)
- Claude Sonnet 4.5 public-lane score: 44.6 (Estimated · #100/151)

| Benchmark | Claude Opus 4.7 (Adaptive) | Claude Sonnet 4.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.4% | 50% | Claude Opus 4.7 (Adaptive) |
| BrowseComp | 79.3% | Coming soon | Coming soon |
| MCP Atlas | 77.3% | Coming soon | Coming soon |
| OSWorld-Verified | 78% | 61.4% | Claude Opus 4.7 (Adaptive) |
| CyberGym | 73.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 18.2% | Coming soon | Coming soon |
| JobBench | 45.9% | 27.7% | Claude Opus 4.7 (Adaptive) |
| VITA-Bench | Coming soon | 17.0% | Coming soon |
| Gert Labs | Coming soon | 48.51% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 59.6 (Estimated · #27/183)
- Claude Sonnet 4.5 public-lane score: 51 (Estimated · #67/183)

| Benchmark | Claude Opus 4.7 (Adaptive) | Claude Sonnet 4.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 87.6% | 77.2% | Claude Opus 4.7 (Adaptive) |
| SWE-bench Pro | 64.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 69.4% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 50.3 (#36/48)
- Claude Sonnet 4.5 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Claude Sonnet 4.5 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 43.6% | Coming soon | Coming soon |
| CharXiv | 91% | Coming soon | Coming soon |
| CharXiv w/o tools | 82.1% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 49.7 (Unranked · 3 rankable rows)
- Claude Sonnet 4.5 public-lane score: 19.1 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.7 (Adaptive) | Claude Sonnet 4.5 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 128K-256K | 59.2% | Coming soon | Coming soon |
| ARC-AGI-2 | 75.8% | 13.6% | Claude Opus 4.7 (Adaptive) |
| ARC-AGI-3 | 0.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 61.9 (Estimated · #31/181)
- Claude Sonnet 4.5 public-lane score: 51.5 (Estimated · #81/181)

| Benchmark | Claude Opus 4.7 (Adaptive) | Claude Sonnet 4.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.2% | 83.4% | Claude Opus 4.7 (Adaptive) |
| GPQA-D | 94.2% | Coming soon | Coming soon |
| HLE | 54.7% | Coming soon | Coming soon |
| HLE w/o tools | 46.9% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon
- Claude Sonnet 4.5 public-lane score: 34.8 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.7 (Adaptive) | Claude Sonnet 4.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | 43.8% | Coming soon | Coming soon |
| AIME 2025 | Coming soon | 87% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 13.495% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 4.167% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.7 (Adaptive) or Claude Sonnet 4.5?

Claude Opus 4.7 (Adaptive) is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.7 (Adaptive) and Claude Sonnet 4.5?

The widest category gap is in reasoning, where the averages are 49.7 for Claude Opus 4.7 (Adaptive) and 19.1 for Claude Sonnet 4.5.

### 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.

### How many benchmarks does Claude Sonnet 4.5 cover on BenchLM?

Claude Sonnet 4.5 currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.7 (Adaptive) vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-claude-opus-4-7-adaptive)
- [Claude Sonnet 4.5 vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-claude-sonnet-4-5)
- [Claude Opus 4.7 (Adaptive) vs Claude Sonnet 4.5 Thinking](/compare/claude-opus-4-7-adaptive-vs-claude-sonnet-4-5-thinking)
- [Claude Sonnet 4.5 vs Claude Sonnet 4.5 Thinking](/compare/claude-sonnet-4-5-vs-claude-sonnet-4-5-thinking)

## Explore More

- [Claude Opus 4.7 (Adaptive) profile](/models/claude-opus-4-7-adaptive)
- [Claude Sonnet 4.5 profile](/models/claude-sonnet-4-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)