Claude Opus 5 vs Qwen3 6
Claude Opus 5 
Qwen3 6 Verdict
- Claude Opus 5 leads on quality: 70.0 vs 63.3.
- Claude Opus 5 is stronger in coding, composite, human preference, knowledge, maths, multimodal, reasoning.
- Qwen3 6 (max) is stronger in agents & tools, long context, instruction following.
- Qwen3 6 (max) is 3.4× cheaper ($2.96 vs $10.00 per 1M blended).
| Metric | Claude Opus 5 | Qwen3 6 (max) |
|---|---|---|
| BenchLeader Index | 70.0 | 63.3 |
| Agents & tools score | 71.5 | 72.0 |
| Coding score | 74.5 | 58.2 |
| Composite score | 93.1 | 64.9 |
| Human preference score | 78.2 | 65.9 |
| Knowledge score | 70.6 | 64.0 |
| Long context score | 66.2 | 66.9 |
| Maths score | 67.1 | 64.2 |
| Multimodal score | 69.4 | – |
| Reasoning score | 71.5 | 63.2 |
| Instruction following score | – | 74.2 |
| Blended price $/M | $10.00 | $2.96 |
| Output speed | 51 tok/s | 59 tok/s |
| Time to first answer | 93.0 s | 38.5 s |
| Context window | 1M | 246k |
| GPQA Diamond | 92.9% | 87.4% |
| OTIS Mock AIME | 97.8% | 91.1% |
| SWE-bench Verified (Epoch) | – | 76.7% |
| SimpleQA Verified | – | 52.0% |
| SimpleBench | 80.6% | 63.0% |
| WeirdML | 86.3% | – |
| Epoch Capabilities Index | 162.6 | 149.3 |
| LMArena Text | – | 1460 |
| LMArena Hard Prompts | – | 1482 |
| LMArena Coding | – | 1509 |
| LMArena WebDev | – | 1479 |
| AA Intelligence Index | 50.7 | 28.4 |
| IFBench | – | 76.6% |
| AA-LCR | 79.3% | 80.7% |
| MMMU-Pro | 84.7% | – |
| AA-Omniscience | 37.1 | 9.2 |
| Terminal-Bench Hard | – | 43.9% |
| GPQA Diamond (AA) | 93.2% | 88.8% |
| Humanity's Last Exam (AA) | 54.9% | 30.8% |
| SciCode (AA) | 56.4% | – |
| τ²-Bench Telecom (AA) | – | 95.9% |
| LiveCodeBench | 89.0% | – |
| MMLU-Pro | 91.6% | – |
| IOI | 91.7% | – |
| LegalBench | 87.0% | – |
| CorpFin | 73.2% | 66.5% |
| TaxEval | 75.1% | – |
| Terminal-Bench 2.1 (Vals) | 84.6% | – |
| SWE-bench (Vals) | 97.0% | 72.8% |
| GPQA Diamond (Vals) | 93.4% | – |
| Vals Index | 67.2 | – |
| HiL-Bench | 57.0% | – |
| EQ-Bench 4 | 1385 | – |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
Claude Opus 5 vs Qwen3 6: questions
- Is Claude Opus 5 better than Qwen3 6?
- Claude Opus 5 leads on quality: 70.0 vs 63.3. The BenchLeader Index combines every independent quality benchmark; Claude Opus 5 is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is Claude Opus 5 better than Qwen3 6 for coding?
- Claude Opus 5 scores higher in coding (75 vs 58 on the category index, where 50 is average).
- Is Claude Opus 5 better than Qwen3 6 for agentic tasks?
- Qwen3 6 scores higher in agentic tasks (72 vs 72 on the category index, where 50 is average).
- Which is cheaper, Claude Opus 5 or Qwen3 6?
- Qwen3 6 is cheaper: $2.96 against $10.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Claude Opus 5 or Qwen3 6?
- Qwen3 6 streams faster: 59 against 51 output tokens per second.
- Which has the larger context window?
- Claude Opus 5 accepts more context: 1M against 246k tokens.