# Claude Opus 4.5 vs Qwen3.6-27B

> Side-by-side benchmark comparison for Claude Opus 4.5 and Qwen3.6-27B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-5-vs-qwen3-6-27b
- Last updated: September 4, 2026

- Shared sourced benchmarks: 23
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Opus 4.5 if you want the stronger benchmark profile. Qwen3.6-27B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 4.5 leads overall 60.25 to 52.73.
- The clearest category separation is in instruction following, where the averages are 39.5 for Claude Opus 4.5 and 82.2 for Qwen3.6-27B.
- The biggest single benchmark swing is V* in Multimodal & Grounded, with scores of 67.0% and 94.7%.
- Qwen3.6-27B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Qwen3.6-27B also has the larger context window at 262K.

## Model Snapshot

| Property | Claude Opus 4.5 | Qwen3.6-27B |
|----------|----------|----------|
| Creator | Anthropic | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 262K |
| Overall Score | 60.25 | 52.73 |
| Benchmarks Covered | 45 | 38 |
| Pricing (input/output) | $5.00 / $25.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 44.5 (Estimated · #101/151)
- Qwen3.6-27B public-lane score: 33.9 (Supported · #133/151)

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.3% | 59.3% | Tie |
| OSWorld-Verified | 66.3% | Coming soon | Coming soon |
| OSWorld | 66.3% | Coming soon | Coming soon |
| Claw-Eval | 59.6% | 72.4% | Qwen3.6-27B |
| QwenClawBench | 52.3% | 53.4% | Qwen3.6-27B |
| τ³-bench results | 70.2% | Coming soon | Coming soon |
| VITA-Bench | 23.3% | Coming soon | Coming soon |
| DeepPlanning | 26.4% | Coming soon | Coming soon |
| Toolathlon | 43.5% | Coming soon | Coming soon |
| MCP Atlas | 42.3% | Coming soon | Coming soon |
| MCP-Tasks | 71.8% | Coming soon | Coming soon |
| WideResearch | 76.4% | Coming soon | Coming soon |
| CyberGym | 50.6% | Coming soon | Coming soon |
| Gert Labs | 64.23% | 54.84% | Claude Opus 4.5 |
| JobBench | 32.3% | Coming soon | Coming soon |
| QwenWebBench | Coming soon | 1487 | Coming soon |
| AndroidWorld | Coming soon | 70.3% | Coming soon |

### Coding

- Winner: Claude Opus 4.5
- Claude Opus 4.5 public-lane score: 55.1 (Supported · #42/183)
- Qwen3.6-27B public-lane score: 42.6 (Supported · #128/183)

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.9% | 77.2% | Claude Opus 4.5 |
| LiveCodeBench v6 | 84.8% | Coming soon | Coming soon |
| SWE-bench Pro | 57.1% | 53.5% | Claude Opus 4.5 |
| SWE Multilingual | 77.5% | 71.3% | Claude Opus 4.5 |
| NL2Repo | 43.2% | 36.2% | Claude Opus 4.5 |
| Terminal-Bench 2.0 | Coming soon | 59.3% | Coming soon |
| LiveCodeBench | Coming soon | 83.9% | Coming soon |

### Multimodal & Grounded

- Winner: Qwen3.6-27B
- Claude Opus 4.5 public-lane score: 23.4 (#46/48)
- Qwen3.6-27B public-lane score: 51.5 (#35/48)

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 70.6% | 75.8% | Qwen3.6-27B |
| MathVision | 74.3% | Coming soon | Coming soon |
| CharXiv | 68.5% | 78.4% | Qwen3.6-27B |
| VideoMMMU | 84.4% | 84.4% | Tie |
| ScreenSpot Pro | 45.7% | Coming soon | Coming soon |
| V* | 67.0% | 94.7% | Qwen3.6-27B |
| MMMU | Coming soon | 82.9% | Coming soon |
| RealWorldQA | Coming soon | 84.1% | Coming soon |
| DynaMath | Coming soon | 85.6% | Coming soon |
| MStar | Coming soon | 81.4% | Coming soon |
| SimpleVQA | Coming soon | 56.1% | Coming soon |
| CC-OCR | Coming soon | 81.2% | Coming soon |
| CountBench | Coming soon | 97.8% | Coming soon |
| RefCOCO (avg) | Coming soon | 92.5% | Coming soon |
| ERQA | Coming soon | 62.5% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 87.7% | Coming soon |
| MLVU (M-Avg) | Coming soon | 86.6% | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 72.1 (Unranked · 4 rankable rows)
- Qwen3.6-27B public-lane score: 73.7 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 64.4% | Coming soon | Coming soon |
| AI-Needle | 74% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 55.4 (Estimated · #60/181)
- Qwen3.6-27B public-lane score: 49 (Estimated · #95/181)

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | 87.8% | Qwen3.6-27B |
| SuperGPQA | 70.6% | 66% | Claude Opus 4.5 |
| MMLU-Pro | 89.5% | 86.2% | Claude Opus 4.5 |
| MMLU-Redux | 96.6% | 93.5% | Claude Opus 4.5 |
| C-Eval | 92.2% | 91.4% | Claude Opus 4.5 |
| HLE | 30.8% | 24% | Claude Opus 4.5 |

### Instruction Following

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 39.5 (#103/120)
- Qwen3.6-27B public-lane score: 82.2 (#50/120)

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 90.9% | Coming soon | Coming soon |
| IFBench | 58% | Coming soon | Coming soon |

### Multilingual

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 82.9 (#2/12)
- Qwen3.6-27B public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 85.7% | Coming soon | Coming soon |
| NOVA-63 | 56.7% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 58.3 (#6/7)
- Qwen3.6-27B public-lane score: 72.8 (Unranked · 5 rankable rows)

| Benchmark | Claude Opus 4.5 | Qwen3.6-27B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.1% | 94.1% | Claude Opus 4.5 |
| HMMT Feb 2025 | 92.9% | 93.8% | Qwen3.6-27B |
| HMMT Nov 2025 | 93.3% | 90.7% | Claude Opus 4.5 |
| HMMT Feb 2026 | 85.3% | 84.3% | Claude Opus 4.5 |
| MMAnswerBench | 84.0% | 80.8% | Claude Opus 4.5 |
| FrontierMath v2 (Tiers 1-3) | 20.690% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.167% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.5 or Qwen3.6-27B?

Claude Opus 4.5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.5 and Qwen3.6-27B?

The widest category gap is in instruction following, where the averages are 39.5 for Claude Opus 4.5 and 82.2 for Qwen3.6-27B.

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

Claude Opus 4.5 currently has 45 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.6-27B cover on BenchLM?

Qwen3.6-27B currently has 38 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.5 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-vs-claude-opus-4-5-thinking)
- [Qwen3.6-27B vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-thinking-vs-qwen3-6-27b)
- [Claude Opus 4.5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-opus-4-5)
- [Qwen3.6-27B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-6-27b)

## Explore More

- [Claude Opus 4.5 profile](/models/claude-opus-4-5)
- [Qwen3.6-27B profile](/models/qwen3-6-27b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)