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DeepSeek-V4-Pro-0813 vs Solar Open2 250B

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DeepSeek-V4-Pro-0813Solar Open2 250B
AttributeDeepSeek-V4-Pro-0813DeepSeek · 1 in the newsSolar Open2 250BUpstage
Scores
Intelligence (ECI)155
Coding7657
Math88
Reasoning & Knowledge6945
Agentic & Tools67
Specifications
DeveloperDeepSeekUpstage
FamilyDeepSeek
ReleasedAug 13, 2026Jun 28, 2026
Parameters1.6T250.3B
AvailabilityOpen weights (unrestricted)Open weights (unrestricted)
Context window1M
Price — $/M input$0.58
Price — $/M output$1.74
Inputstext
Outputstext
Benchmarks
AIME 2024/202599%
APEX47%
ARC-AGI91%
ARC-AGI-261%
GPQA Diamond92%86%
Humanity's Last Exam41%28%
SciCode51%48%
SimpleQA Verified53%
WebDev Arena1581
WeirdML66%

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.