BenchLeader

Deepseek v4 Pro vs GPT-5

Verdict
  • Deepseek v4 Pro (high) and GPT-5 are level on quality (60.4 vs 59.7).
  • Deepseek v4 Pro (high) is stronger in human preference, reasoning.
  • GPT-5 is stronger in coding, maths, agents & tools, composite, instruction following, knowledge, long context, multimodal.
MetricDeepseek v4 Pro (high)GPT-5
BenchLeader Index60.459.7
Coding score59.360.9
Human preference score66.061.7
Maths score66.272.8
Reasoning score65.964.2
Agents & tools score50.0
Composite score52.8
Instruction following score64.0
Knowledge score60.8
Long context score63.0
Multimodal score58.9
Blended price $/M$3.44
Output speed106 tok/s
Time to first answer54.4 s
Context window400k
GPQA Diamond90.9%
OTIS Mock AIME95.6%
Terminal-Bench49.6%
SciCode46.4%42.9%
Remote Labor Index1.7%
WeirdML46.5%39.8%
APEX-Agents18.3%
Epoch Capabilities Index150
LMArena Text14621427
LMArena Hard Prompts14821449
LMArena Coding15051462
LMArena WebDev1581
LMArena Vision1232
AA Intelligence Index23.0
IFBench73.1%
AA-LCR78.2%
MMMU-Pro74.2%
AA-Omniscience-8.7
Terminal-Bench Hard32.6%
GPQA Diamond (AA)85.3%
Humanity's Last Exam (AA)28.5%
τ²-Bench Telecom (AA)84.8%
PRBench Finance51.3%
PRBench Legal49.0%
VISTA49.7%
MultiNRC52.1%
TutorBench55.3%
Kagi LLM Benchmark72.7%
IFEval (HELM)87.5%
Omni-MATH (HELM)64.7%
WildBench (HELM)85.7%
MMLU-Pro (HELM)86.3%
GPQA Diamond (HELM)79.1%
HELM Capabilities mean80.7%
Aider Polyglot88.0%
SWE-bench Verified (any scaffold)75.6%

Data as of 2026-09-13. Best configuration of each model; every score links to its source on the model pages.

Deepseek v4 Pro vs GPT-5: questions

Is Deepseek v4 Pro better than GPT-5?
Deepseek v4 Pro (high) and GPT-5 are level on quality (60.4 vs 59.7). The BenchLeader Index combines every independent quality benchmark; Deepseek v4 Pro (high) is ahead overall as of 2026-09-13, but check the category scores for your use.
Is Deepseek v4 Pro better than GPT-5 for coding?
GPT-5 scores higher in coding (61 vs 59 on the category index, where 50 is average).