# Claude Opus 4.6 vs Qwen3.5 397B

> Side-by-side benchmark comparison for Claude Opus 4.6 and Qwen3.5 397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-6-vs-qwen3-5-397b
- Last updated: October 17, 2026

- Shared sourced benchmarks: 16
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude Opus 4.6 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 4.6 has the higher overall point estimate 62.39 to 55.34. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in instruction following, where the averages are 52.4 for Claude Opus 4.6 and 79.9 for Qwen3.5 397B.
- The biggest single benchmark swing is SuperGPQA in Knowledge, with scores of 95% and 70.4%.
- Qwen3.5 397B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Opus 4.6 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.6 | Qwen3.5 397B |
|----------|----------|----------|
| Creator | Anthropic | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 1M | 128K |
| Overall Score | 62.39 | 55.34 |
| Benchmarks Covered | 36 | 62 |
| Pricing (input/output) | $5.00 / $25.00 | $0.60 / $3.60 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 45.7 (Supported · #57/128)
- Qwen3.5 397B public-lane score: 43.8 (Estimated · #61/128)

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 65.4% | 52.5% | Claude Opus 4.6 |
| BrowseComp | 83.7% | 69% | Claude Opus 4.6 |
| OSWorld-Verified | 72.7% | 62.2% | Claude Opus 4.6 |
| AndroidWorld | 62.0% | Coming soon | Coming soon |
| Claw-Eval | 70.4% | 56.8% | Claude Opus 4.6 |
| DeepSearchQA | 73.7% | Coming soon | Coming soon |
| CyberGym | 66.6% | Coming soon | Coming soon |
| Gert Labs | 61.85% | 46.76% | Claude Opus 4.6 |
| ResearchClawBench | 19.9% | 14.2% | Claude Opus 4.6 |
| JobBench | 36.7% | Coming soon | Coming soon |
| ApprenticeBench | 5% | Coming soon | Coming soon |
| QwenClawBench | Coming soon | 51.8% | Coming soon |
| τ³-bench results | Coming soon | 68.4% | Coming soon |
| VITA-Bench | Coming soon | 43.7% | Coming soon |
| DeepPlanning | Coming soon | 37.6% | Coming soon |
| Toolathlon | Coming soon | 36.3% | Coming soon |
| MCP Atlas | Coming soon | 46.1% | Coming soon |
| MCP-Tasks | Coming soon | 74.2% | Coming soon |
| WideResearch | Coming soon | 74.0% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 46.1 (Supported · #52/150)
- Qwen3.5 397B public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.8% | 76.2% | Claude Opus 4.6 |
| SWE-bench Verified* | 75.6% | Coming soon | Coming soon |
| LiveCodeBench Pro | 70.7% | Coming soon | Coming soon |
| SWE-bench Pro | 53.4% | 50.9% | Claude Opus 4.6 |
| SWE-Rebench | 65.3% | Coming soon | Coming soon |
| React Native Evals | 84.1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 65.4% | 52.5% | Claude Opus 4.6 |
| Vibe Code Bench | 57.57% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 26.9% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 83.6% | Coming soon |
| SWE Multilingual | Coming soon | 69.3% | Coming soon |
| NL2Repo | Coming soon | 32.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 71.9 (Unranked · 2 rankable rows)
- Qwen3.5 397B public-lane score: 74.9 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 63.2% | Coming soon |
| AI-Needle | Coming soon | 68.7% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 74.5 (#25/54)
- Qwen3.5 397B public-lane score: 73.6 (#29/54)

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 77.3% | 79% | Qwen3.5 397B |
| ERQA | 51.6% | 67.5% | Qwen3.5 397B |
| ScreenSpot Pro | 83.1% | 65.6% | Claude Opus 4.6 |
| MedXpertQA (MM) | 64.8% | Coming soon | Coming soon |
| MMMU | Coming soon | 85.0% | Coming soon |
| RealWorldQA | Coming soon | 83.9% | Coming soon |
| OmniDocBench 1.5 | Coming soon | 90.8% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 87.5% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 83.7% | Coming soon |
| MathVision | Coming soon | 88.6% | Coming soon |
| We-Math | Coming soon | 87.9% | Coming soon |
| DynaMath | Coming soon | 86.3% | Coming soon |
| SimpleVQA | Coming soon | 67.1% | Coming soon |
| CharXiv | Coming soon | 80.8% | Coming soon |
| MMLongBench-Doc | Coming soon | 61.5% | Coming soon |
| CC-OCR | Coming soon | 82.0% | Coming soon |
| AI2D_TEST | Coming soon | 93.9% | Coming soon |
| CountBench | Coming soon | 97.2% | Coming soon |
| RefCOCO (avg) | Coming soon | 92.3% | Coming soon |
| ODINW13 | Coming soon | 47.0% | Coming soon |
| VideoMMMU | Coming soon | 84.7% | Coming soon |
| MLVU (M-Avg) | Coming soon | 86.7% | Coming soon |
| V* | Coming soon | 95.8% | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 59 (Estimated · #52/184)
- Qwen3.5 397B public-lane score: 53.1 (Estimated · #68/184)

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 91.3% | 88.4% | Claude Opus 4.6 |
| GPQA-D | 89.2% | Coming soon | Coming soon |
| SuperGPQA | 95% | 70.4% | Claude Opus 4.6 |
| MMLU-Pro | 82% | 87.8% | Qwen3.5 397B |
| MMLU-Pro (Arcee) | 89.1% | Coming soon | Coming soon |
| HLE | 53% | 28.7% | Claude Opus 4.6 |
| HLE w/o tools | 40% | Coming soon | Coming soon |
| HealthBench Hard | 14.8% | Coming soon | Coming soon |
| MedXpertQA (Text) | 52.1% | Coming soon | Coming soon |
| MMLU-Redux | Coming soon | 94.9% | Coming soon |
| C-Eval | Coming soon | 93% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: Coming soon
- Qwen3.5 397B public-lane score: 93.8 (#5/17)

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 59.1% | Coming soon |
| INCLUDE | Coming soon | 85.6% | Coming soon |
| PolyMath | Coming soon | 73.3% | Coming soon |
| MAXIFE | Coming soon | 88.2% | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 52.4 (#87/148)
- Qwen3.5 397B public-lane score: 79.9 (#59/148)

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 92.6% | Coming soon |
| IFBench | Coming soon | 76.5% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 69.1 (Unranked · 3 rankable rows)
- Qwen3.5 397B public-lane score: 81.7 (Unranked · 5 rankable rows)

| Benchmark | Claude Opus 4.6 | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| AIME25 (Arcee) | 99.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 65.965% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 26.829% | Coming soon | Coming soon |
| AIME26 | Coming soon | 93.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 94.8% | Coming soon |
| HMMT Nov 2025 | Coming soon | 92.7% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.9% | Coming soon |
| MMAnswerBench | Coming soon | 80.9% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.6 or Qwen3.5 397B?

Claude Opus 4.6 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Opus 4.6 and Qwen3.5 397B?

The widest category gap is in instruction following, where the averages are 52.4 for Claude Opus 4.6 and 79.9 for Qwen3.5 397B.

### How many benchmarks does Claude Opus 4.6 cover on BenchLM?

Claude Opus 4.6 currently has 36 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.5 397B cover on BenchLM?

Qwen3.5 397B currently has 62 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.6 vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-vs-claude-opus-4-6-thinking)
- [Qwen3.5 397B vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-thinking-vs-qwen3-5-397b)
- [Claude Opus 4.6 vs Qwen3.5 397B (Reasoning)](/compare/claude-opus-4-6-vs-qwen3-5-397b-reasoning)
- [Qwen3.5 397B vs Qwen3.5 397B (Reasoning)](/compare/qwen3-5-397b-vs-qwen3-5-397b-reasoning)

## Explore More

- [Claude Opus 4.6 profile](/models/claude-opus-4-6)
- [Qwen3.5 397B profile](/models/qwen3-5-397b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)