BenchLeader

Claude Fable 5 vs Qwen3 6

Verdict
  • Claude Fable 5 leads on quality: 70.5 vs 63.3.
  • Claude Fable 5 is stronger in agents & tools, coding, composite, human preference, knowledge, long context, multimodal, reasoning.
  • Qwen3 6 (max) is stronger in instruction following, maths.
  • Qwen3 6 (max) is 6.7× cheaper ($2.96 vs $20.00 per 1M blended).
MetricClaude Fable 5Qwen3 6 (max)
BenchLeader Index70.563.3
Agents & tools score74.472.0
Coding score70.558.2
Composite score91.864.9
Human preference score71.665.9
Instruction following score62.974.2
Knowledge score71.464.0
Long context score67.866.9
Multimodal score69.7
Reasoning score75.963.2
Maths score64.2
Blended price $/M$20.00$2.96
Output speed63 tok/s59 tok/s
Time to first answer102.3 s38.5 s
Context window1M246k
GPQA Diamond87.4%
OTIS Mock AIME91.1%
SWE-bench Verified (Epoch)76.7%
SimpleQA Verified52.0%
SimpleBench63.0%
Remote Labor Index16.1%
APEX-Agents45.0%
FrontierCode53.5%
Epoch Capabilities Index163.4149.3
LMArena Text15071460
LMArena Hard Prompts15331482
LMArena Coding15511509
LMArena WebDev16281479
LMArena Vision1330
AA Intelligence Index49.728.4
IFBench63.5%76.6%
AA-LCR82.3%80.7%
AA-Omniscience43.39.2
Terminal-Bench Hard62.9%43.9%
GPQA Diamond (AA)92.6%88.8%
Humanity's Last Exam (AA)55.5%30.8%
SciCode (AA)61.0%
τ²-Bench Telecom (AA)98.5%95.9%
LiveCodeBench89.8%
MMLU-Pro91.5%
IOI72.3%
LegalBench88.6%
CorpFin71.8%66.5%
TaxEval76.9%
Terminal-Bench 2.1 (Vals)80.5%
SWE-bench (Vals)95.0%72.8%
GPQA Diamond (Vals)93.2%
Vals Index66.0
MCP Atlas83.3%
PRBench Finance53.9%
PRBench Legal52.6%
HiL-Bench56.3%
EQ-Bench 41340
Kagi LLM Benchmark88.8%

Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.

Claude Fable 5 vs Qwen3 6: questions

Is Claude Fable 5 better than Qwen3 6?
Claude Fable 5 leads on quality: 70.5 vs 63.3. The BenchLeader Index combines every independent quality benchmark; Claude Fable 5 is ahead overall as of 2026-09-10, but check the category scores for your use.
Is Claude Fable 5 better than Qwen3 6 for coding?
Claude Fable 5 scores higher in coding (71 vs 58 on the category index, where 50 is average).
Is Claude Fable 5 better than Qwen3 6 for agentic tasks?
Claude Fable 5 scores higher in agentic tasks (74 vs 72 on the category index, where 50 is average).
Which is cheaper, Claude Fable 5 or Qwen3 6?
Qwen3 6 is cheaper: $2.96 against $20.00 per million tokens, blended at three input tokens per output token.
Which is faster, Claude Fable 5 or Qwen3 6?
Claude Fable 5 streams faster: 63 against 59 output tokens per second.
Which has the larger context window?
Claude Fable 5 accepts more context: 1M against 246k tokens.