Claude Fable 5.1 vs Qwen3.8 2.4T A95B
Claude Fable 5.1 
Qwen3.8 2.4T A95B Verdict
- Claude Fable 5.1 (high) leads on quality: 72.0 vs 65.2.
- Claude Fable 5.1 (high) is stronger in coding, composite, knowledge, long context, reasoning.
- Qwen3.8 2.4T A95B is stronger in agents & tools.
- Qwen3.8 2.4T A95B is 6.7× cheaper ($3.00 vs $20.00 per 1M blended).
- Claude Fable 5.1 (high) streams 1.4× faster (55 vs 38 tokens per second).
| Metric | Claude Fable 5.1 (high) | Qwen3.8 2.4T A95B |
|---|---|---|
| BenchLeader Index | 72.0 | 65.2 |
| Agents & tools score | 66.6 | 78.3 |
| Coding score | 74.1 | – |
| Composite score | 94.0 | 79.8 |
| Knowledge score | 83.7 | 66.3 |
| Long context score | 68.4 | 66.6 |
| Reasoning score | 81.0 | 80.5 |
| Blended price $/M | $20.00 | $3.00 |
| Output speed | 55 tok/s | 38 tok/s |
| Time to first answer | 14.7 s | 55.2 s |
| Context window | 1M | 984k |
| Terminal-Bench | 54.5% | – |
| SciCode | 57.6% | – |
| WeirdML | 92.3% | – |
| APEX-Agents | 44.4% | – |
| AA Intelligence Index | 51.2 | 40.0 |
| AA-LCR | 83.7% | 80.3% |
| AA-Omniscience | 40.8 | 4.3 |
| GPQA Diamond (AA) | 90.6% | 93.5% |
| Humanity's Last Exam (AA) | 55.9% | 42.5% |
| SciCode (AA) | 58.7% | 54.0% |
| ARC-AGI-1 | 96.0% | – |
| ARC-AGI-2 | 88.8% | – |
| CritPt | 30.3% | 20.0% |
| GDPval (AA) | 57.5% | 56.4% |
| τ²-Bench Banking (AA) | 43.1% | 49.1% |
| MirrorCode | 73.3% | – |
| CursorBench | 69.4% | – |
| ALE-Bench | 2143.2 | – |
Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.
Claude Fable 5.1 vs Qwen3.8 2.4T A95B: questions
- Is Claude Fable 5.1 better than Qwen3.8 2.4T A95B?
- Claude Fable 5.1 (high) leads on quality: 72.0 vs 65.2. The BenchLeader Index combines every independent quality benchmark; Claude Fable 5.1 (high) is ahead overall as of 2026-09-19, but check the category scores for your use.
- Is Claude Fable 5.1 better than Qwen3.8 2.4T A95B for agentic tasks?
- Qwen3.8 2.4T A95B scores higher in agentic tasks (78 vs 67 on the category index, where 50 is average).
- Which is cheaper, Claude Fable 5.1 or Qwen3.8 2.4T A95B?
- Qwen3.8 2.4T A95B is cheaper: $3.00 against $20.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Claude Fable 5.1 or Qwen3.8 2.4T A95B?
- Claude Fable 5.1 streams faster: 55 against 38 output tokens per second.
- Which has the larger context window?
- Claude Fable 5.1 accepts more context: 1M against 984k tokens.