Claude Opus 5.5 vs Qwen3.8 2.4T A95B
Claude Opus 5.5 
Qwen3.8 2.4T A95B Verdict
- Claude Opus 5.5 (thinking) leads on quality: 70.7 vs 64.5.
- Claude Opus 5.5 (thinking) is stronger in composite, knowledge, long context, multimodal, reasoning.
- Qwen3.8 2.4T A95B is stronger in agents & tools.
- Qwen3.8 2.4T A95B is 2.7× cheaper ($3.00 vs $8.00 per 1M blended).
| Metric | Claude Opus 5.5 (thinking) | Qwen3.8 2.4T A95B |
|---|---|---|
| BenchLeader Index | 70.7 | 64.5 |
| Composite score | 95.0 | 77.8 |
| Knowledge score | 85.0 | 65.4 |
| Long context score | 68.5 | 66.3 |
| Multimodal score | 71.9 | – |
| Reasoning score | 95.0 | 78.3 |
| Agents & tools score | – | 78.3 |
| Blended price $/M | $8.00 | $3.00 |
| Output speed | 48 tok/s | 38 tok/s |
| Time to first answer | 4.2 s | 55.8 s |
| Context window | 1M | 984k |
| AA Intelligence Index | 57.6 | 39.9 |
| AA-LCR | 84.7% | 80.3% |
| MMMU-Pro | 87.7% | – |
| AA-Omniscience | 46.4 | 4.3 |
| GPQA Diamond (AA) | – | 93.5% |
| Humanity's Last Exam (AA) | 61.4% | 42.5% |
| SciCode (AA) | 66.9% | 54.0% |
| CritPt | 31.7% | 20.0% |
| GDPval (AA) | 67.3% | 54.9% |
| τ²-Bench Banking (AA) | – | 49.1% |
| Terminal-Bench 4.0 (AA) | 59.6% | 11.1% |
| Terminal-Bench 2.1 (AA) | – | 82.0% |
| AutomationBench | 69.5% | 57.3% |
| GDP.pdf | 26.2% | 15.0% |
| MLCR | – | 0.0% |
| Harvey LAB | 91.2% | – |
| EnterpriseOps-Gym | – | 47.4% |
| AA-Omniscience: accuracy | 66.2% | 31.3% |
| AA-Omniscience: non-hallucination | 41.4% | 60.8% |
| AA-Briefcase | 1822 | 1445 |
| AA Openness Index | – | 27.8 |
Data as of 2026-09-22. Best configuration of each model; every score links to its source on the model pages.
Claude Opus 5.5 vs Qwen3.8 2.4T A95B: questions
- Is Claude Opus 5.5 better than Qwen3.8 2.4T A95B?
- Claude Opus 5.5 (thinking) leads on quality: 70.7 vs 64.5. The BenchLeader Index combines every independent quality benchmark; Claude Opus 5.5 (thinking) is ahead overall as of 2026-09-22, but check the category scores for your use.
- Which is cheaper, Claude Opus 5.5 or Qwen3.8 2.4T A95B?
- Qwen3.8 2.4T A95B is cheaper: $3.00 against $8.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Claude Opus 5.5 or Qwen3.8 2.4T A95B?
- Claude Opus 5.5 streams faster: 48 against 38 output tokens per second.
- Which has the larger context window?
- Claude Opus 5.5 accepts more context: 1M against 984k tokens.