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DeepSeek-V4-Pro-0813 vs GPT-5.1

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DeepSeek-V4-Pro-0813GPT-5.1
AttributeDeepSeek-V4-Pro-0813DeepSeek · 1 in the newsGPT-5.1OpenAI · 7 in the news
Scores
Intelligence (ECI)155150
Coding7637
Math8849
Reasoning & Knowledge6945
Agentic & Tools6733
Specifications
DeveloperDeepSeekOpenAI
FamilyDeepSeekGPT
ReleasedAug 13, 2026Nov 13, 2025
Parameters1.6T
AvailabilityOpen weights (unrestricted)API access
Context window1M400K
Price — $/M input$0.58$1.25
Price — $/M output$1.74$10.00
Inputstextimage, text, file
Outputstexttext
Benchmarks
AIME 2024/202599%89%
APEX47%18%
ARC-AGI91%73%
ARC-AGI-261%18%
GPQA Diamond92%88%
Humanity's Last Exam41%24%
SciCode51%43%
SimpleQA Verified53%48%
WebDev Arena15811392
WeirdML66%61%
FrontierMath31%
FrontierMath Tier 413%
GSO (code optimization)14%
LiveCodeBench87%
MMLU-Pro87%
SimpleBench53%
SWE-bench Verified68%
Terminal-Bench48%
τ²-bench82%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.