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DeepSeek-V4-Pro-0813 vs GPT-5.6 Sol

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DeepSeek-V4-Pro-0813GPT-5.6 Sol
AttributeDeepSeek-V4-Pro-0813DeepSeek · 1 in the newsGPT-5.6 SolOpenAI · 23 in the news
Scores
Intelligence (ECI)161
Coding8094
Math9097
Reasoning & Knowledge7894
Agentic & Tools64
Specifications
DeveloperDeepSeekOpenAI
FamilyDeepSeekGPT
ReleasedAug 13, 2026Jul 9, 2026
Parameters1.6T
AvailabilityOpen weights (unrestricted)API access
Context window1M1.1M
Price — $/M input$0.66$5.00
Price — $/M output$1.98$30.00
Inputstextfile, image, text
Outputstexttext
Benchmarks
AIME 2024/202599%100%
GPQA Diamond92%93%
Humanity's Last Exam41%50%
SciCode49%56%
SimpleQA Verified55%72%
WebDev Arena15841620
WeirdML66%89%
APEX40%
ARC-AGI98%
ARC-AGI-293%
SimpleBench72%
τ²-bench85%

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.