Claude Sonnet 5 vs Qwen3.8 2.4T A95B
Claude Sonnet 5 
Qwen3.8 2.4T A95B Verdict
- Qwen3.8 2.4T A95B leads on quality: 65.2 vs 62.2.
- Claude Sonnet 5 (high) is stronger in coding, human preference, maths, multimodal.
- Qwen3.8 2.4T A95B is stronger in agents & tools, composite, knowledge, long context, reasoning.
- Qwen3.8 2.4T A95B is 1.3× cheaper ($3.00 vs $4.00 per 1M blended).
- Claude Sonnet 5 (high) streams 1.7× faster (64 vs 38 tokens per second).
| Metric | Claude Sonnet 5 (high) | Qwen3.8 2.4T A95B |
|---|---|---|
| BenchLeader Index | 62.2 | 65.2 |
| Agents & tools score | 62.0 | 78.3 |
| Coding score | 61.5 | – |
| Composite score | 69.6 | 79.8 |
| Human preference score | 65.9 | – |
| Knowledge score | 62.4 | 66.3 |
| Long context score | 64.7 | 66.6 |
| Maths score | 66.9 | – |
| Multimodal score | 62.6 | – |
| Reasoning score | 69.6 | 80.5 |
| Blended price $/M | $4.00 | $3.00 |
| Output speed | 64 tok/s | 38 tok/s |
| Time to first answer | 2.9 s | 55.2 s |
| Context window | 1M | 984k |
| SciCode | 48.6% | – |
| WeirdML | 68.8% | – |
| LMArena Text | 1461 | – |
| LMArena Hard Prompts | 1489 | – |
| LMArena Coding | 1521 | – |
| LMArena WebDev | 1537 | – |
| LMArena Vision | 1277 | – |
| LMArena Agent | 6 | – |
| AA Intelligence Index | 32.0 | 40.0 |
| AA-LCR | 76.7% | 80.3% |
| AA-Omniscience | -3.7 | 4.3 |
| GPQA Diamond (AA) | – | 93.5% |
| Humanity's Last Exam (AA) | 35.7% | 42.5% |
| SciCode (AA) | 54.3% | 54.0% |
| CritPt | 15.1% | 20.0% |
| GDPval (AA) | 40.4% | 56.4% |
| τ²-Bench Banking (AA) | – | 49.1% |
| LMArena Maths | 1476 | – |
| LMArena Creative Writing | 1437 | – |
| LMArena Instruction Following | 1465 | – |
| LMArena Multi-turn | 1473 | – |
| LMArena Longer Queries | 1482 | – |
| LMArena Document | 1476 | – |
| DeepSWE | 48.2% | – |
| CursorBench | 56.9% | – |
| ALE-Bench | 1463.1 | – |
Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.
Claude Sonnet 5 vs Qwen3.8 2.4T A95B: questions
- Is Claude Sonnet 5 better than Qwen3.8 2.4T A95B?
- Qwen3.8 2.4T A95B leads on quality: 65.2 vs 62.2. The BenchLeader Index combines every independent quality benchmark; Qwen3.8 2.4T A95B is ahead overall as of 2026-09-19, but check the category scores for your use.
- Is Claude Sonnet 5 better than Qwen3.8 2.4T A95B for agentic tasks?
- Qwen3.8 2.4T A95B scores higher in agentic tasks (78 vs 62 on the category index, where 50 is average).
- Which is cheaper, Claude Sonnet 5 or Qwen3.8 2.4T A95B?
- Qwen3.8 2.4T A95B is cheaper: $3.00 against $4.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Claude Sonnet 5 or Qwen3.8 2.4T A95B?
- Claude Sonnet 5 streams faster: 64 against 38 output tokens per second.
- Which has the larger context window?
- Claude Sonnet 5 accepts more context: 1M against 984k tokens.