BenchLeader

Claude Fable 5 vs DeepSeek V4 Pro

Verdict
  • Claude Fable 5 leads on quality: 70.5 vs 59.5.
  • Claude Fable 5 is stronger in agents & tools, coding, composite, human preference, knowledge, long context, multimodal, reasoning.
  • DeepSeek V4 Pro (high) is stronger in instruction following.
  • DeepSeek V4 Pro (high) is 36× cheaper ($0.548 vs $20.00 per 1M blended).
MetricClaude Fable 5DeepSeek V4 Pro (high)
BenchLeader Index70.559.5
Agents & tools score74.463.8
Coding score70.5
Composite score91.867.1
Human preference score71.6
Instruction following score62.969.6
Knowledge score71.459.1
Long context score67.861.6
Multimodal score69.7
Reasoning score75.9
Blended price $/M$20.00$0.548
Output speed63 tok/s65 tok/s
Time to first answer102.3 s32.3 s
Context window1M1M
Remote Labor Index16.1%
APEX-Agents45.0%
FrontierCode53.5%
Epoch Capabilities Index163.4
LMArena Text1507
LMArena Hard Prompts1533
LMArena Coding1551
LMArena WebDev1628
LMArena Vision1330
LMArena Agent4.4
AA Intelligence Index49.730.1
IFBench63.5%71.3%
AA-LCR82.3%70.3%
AA-Omniscience43.3-10.6
Terminal-Bench Hard62.9%41.7%
GPQA Diamond (AA)92.6%90.5%
Humanity's Last Exam (AA)55.5%35.2%
SciCode (AA)61.0%
τ²-Bench Telecom (AA)98.5%94.2%
LiveCodeBench89.8%
MMLU-Pro91.5%
IOI72.3%
LegalBench88.6%
CorpFin71.8%
TaxEval76.9%
Terminal-Bench 2.1 (Vals)80.5%
SWE-bench (Vals)95.0%
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 DeepSeek V4 Pro: questions

Is Claude Fable 5 better than DeepSeek V4 Pro?
Claude Fable 5 leads on quality: 70.5 vs 59.5. 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 DeepSeek V4 Pro for agentic tasks?
Claude Fable 5 scores higher in agentic tasks (74 vs 64 on the category index, where 50 is average).
Which is cheaper, Claude Fable 5 or DeepSeek V4 Pro?
DeepSeek V4 Pro is cheaper: $0.548 against $20.00 per million tokens, blended at three input tokens per output token.
Which is faster, Claude Fable 5 or DeepSeek V4 Pro?
DeepSeek V4 Pro streams faster: 65 against 63 output tokens per second.
Which has the larger context window?
Both accept 1M tokens of context.