# Claude Opus 4.7 vs Qwen3.5 Flash

> Side-by-side benchmark comparison for Claude Opus 4.7 and Qwen3.5 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-7-vs-qwen3-5-flash
- Last updated: October 14, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude Opus 4.7 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude Opus 4.7 has the higher overall point estimate 65.18 to 42.7. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in mathematics, where the averages are 72.9 for Claude Opus 4.7 and 36.3 for Qwen3.5 Flash.
- The biggest single benchmark swing is FrontierMath v2 (Tiers 1-3) in Mathematics, with scores of 70.175% and 18.246%.
- Qwen3.5 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.7 | Qwen3.5 Flash |
|----------|----------|----------|
| Creator | Anthropic | Alibaba |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 65.18 | 42.7 |
| Benchmarks Covered | 15 | 5 |
| Pricing (input/output) | $5.00 / $25.00 | $0.10 / $0.40 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Opus 4.7 public-lane score: 54 (Supported · #40/124)
- Qwen3.5 Flash public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 65.59% | Coming soon | Coming soon |
| ResearchClawBench | 20.7% | Coming soon | Coming soon |
| OSWorld 2.0 | 13.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 68.5% | Coming soon | Coming soon |
| ApprenticeBench | 7% | Coming soon | Coming soon |

### Coding

- Winner: Directional only
- Claude Opus 4.7 public-lane score: 55.6 (Supported · #30/149)
- Qwen3.5 Flash public-lane score: 24.5 (Estimated · #106/149)

| Benchmark | Claude Opus 4.7 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 71.00% | Coming soon | Coming soon |
| React Native Evals | 82.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 38.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.1% | 83.3% | Claude Opus 4.7 |
| SWE-bench (Vals) | 82.0% | 64.4% | Claude Opus 4.7 |
| PostTrainBench v1.1 | 28.6% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.7 public-lane score: 65.3 (Estimated · #30/181)
- Qwen3.5 Flash public-lane score: 44.8 (Estimated · #96/181)

| Benchmark | Claude Opus 4.7 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 90.2% | 82.8% | Claude Opus 4.7 |
| MMLU-Pro (Vals) | 89.9% | 84.1% | Claude Opus 4.7 |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.7 public-lane score: 72.9 (Unranked · 2 rankable rows)
- Qwen3.5 Flash public-lane score: 36.3 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.7 | Qwen3.5 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 70.175% | 18.246% | Claude Opus 4.7 |
| FrontierMath v2 (Tier 4) | 31.707% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.7 or Qwen3.5 Flash?

Claude Opus 4.7 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Opus 4.7 and Qwen3.5 Flash?

The widest category gap is in mathematics, where the averages are 72.9 for Claude Opus 4.7 and 36.3 for Qwen3.5 Flash.

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

Claude Opus 4.7 currently has 15 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.5 Flash cover on BenchLM?

Qwen3.5 Flash currently has 5 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.7 vs Claude Opus 4.7 (Adaptive)](/compare/claude-opus-4-7-vs-claude-opus-4-7-adaptive)
- [Qwen3.5 Flash vs Claude Opus 4.7 (Adaptive)](/compare/claude-opus-4-7-adaptive-vs-qwen3-5-flash)
- [Claude Opus 4.7 vs Claude Opus 5.5](/compare/claude-opus-4-7-vs-claude-opus-5-5)
- [Qwen3.5 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-5-flash)

## Explore More

- [Claude Opus 4.7 profile](/models/claude-opus-4-7)
- [Qwen3.5 Flash profile](/models/qwen3-5-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)