# Claude 3.7 Sonnet vs Qwen3.5-27B

> Side-by-side benchmark comparison for Claude 3.7 Sonnet and Qwen3.5-27B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-3-7-sonnet-vs-qwen3-5-27b
- Last updated: October 14, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude 3.7 Sonnet leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude 3.7 Sonnet has the higher overall point estimate 57 to 50.02. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is GPQA in Knowledge, with scores of 68% and 85.5%.
- Qwen3.5-27B also has the larger context window at 262K.

## Model Snapshot

| Property | Claude 3.7 Sonnet | Qwen3.5-27B |
|----------|----------|----------|
| Creator | Anthropic | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 262K |
| Overall Score | null | 50.02 |
| Benchmarks Covered | 7 | 20 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 36.6 (Estimated · #70/124)

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | Coming soon | 41.6% | Coming soon |
| BrowseComp | Coming soon | 61% | Coming soon |
| OSWorld-Verified | Coming soon | 56.2% | Coming soon |
| Gert Labs | Coming soon | 39.41% | Coming soon |

### Coding

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 32.6 (Estimated · #85/149)

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 62.3% | 72.4% | Qwen3.5-27B |
| LiveCodeBench v6 | Coming soon | 80.7% | Coming soon |
| SWE-Rebench | Coming soon | 58.9% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 41.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 71.1 (Unranked · 3 rankable rows)

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 60.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 67.5 (#37/54)

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 71.8% | 82.3% | Qwen3.5-27B |
| MMVU | Coming soon | 73.3% | Coming soon |
| MMMU-Pro | Coming soon | 75% | Coming soon |
| CharXiv | Coming soon | 79.5% | Coming soon |
| MathVision | Coming soon | 86.0% | Coming soon |
| V* | Coming soon | 93.7% | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 46.2 (Supported · #91/181)

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 68% | 85.5% | Qwen3.5-27B |
| MMMLU | 83.2% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.1% | Coming soon |
| SuperGPQA | Coming soon | 65.6% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 87.1 (#10/17)

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 82.2% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 92.9 (#14/128)

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 90.8% | 95% | Qwen3.5-27B |

### Mathematics

- Winner: Not comparable
- Claude 3.7 Sonnet public-lane score: Coming soon
- Qwen3.5-27B public-lane score: Coming soon

| Benchmark | Claude 3.7 Sonnet | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| MATH-500 | 82.2% | Coming soon | Coming soon |
| AIME 2024 | 23.3% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude 3.7 Sonnet or Qwen3.5-27B?

Claude 3.7 Sonnet has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does Claude 3.7 Sonnet cover on BenchLM?

Claude 3.7 Sonnet currently has 7 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.5-27B cover on BenchLM?

Qwen3.5-27B currently has 20 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude 3.7 Sonnet vs Claude 3.7 Sonnet Thinking](/compare/claude-3-7-sonnet-vs-claude-3-7-sonnet-thinking)
- [Qwen3.5-27B vs Claude 3.7 Sonnet Thinking](/compare/claude-3-7-sonnet-thinking-vs-qwen3-5-27b)
- [Claude 3.7 Sonnet vs Claude Opus 5.5](/compare/claude-3-7-sonnet-vs-claude-opus-5-5)
- [Qwen3.5-27B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-5-27b)

## Explore More

- [Claude 3.7 Sonnet profile](/models/claude-3-7-sonnet)
- [Qwen3.5-27B profile](/models/qwen3-5-27b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)