DeepSeek V4-Flash vs DeepSeek V4-Pro

Best cell per row highlighted. Null means undisclosed — never counted as zero.

DeepSeek
DeepSeek V4-Flashpreview
8.7
AI Panel
DeepSeek
DeepSeek V4-Propreview
8.5
AI Panel

Identity & lifecycle

ProviderDeepSeekDeepSeek
Family / tierDeepSeek V4 · FlashDeepSeek V4 · Pro
Statuspreviewpreview
Released2026-04-232026-04-23
Knowledge cutoff2026-022026-02

Architecture & context

Context window1M1M
Max output tokens384K384K
Input modalitiestexttext
Reasoning modeoptionaloptional
Open weightsYesYes

Pricing (per Mtok)

Input$0.14$0.435
Output$0.28$0.87
Cached input$0.0028$0.0036
Batch input
Free tierYesYes

Speed

Output speed (tok/s)
Time to first token (s)
Latency tierfastmedium

Trust & deployment

Trains on inputsYesYes
LicenseMITMIT
Clouds
Compliance

AI Panel scoring

Unified score8.78.5
Decision Maker8.58
Domain Strategist8.58.5
Finance Lead9.79.5
Domain Practitioner8.58.5
Power User87.5
Skeptic7.57.5
Value score9.99.7

Benchmarks

MMLU-Pro86.287.5
GPQA Diamond88.190.1
SWE-bench Verified7980.6
HumanEval76.8
LiveCodeBench91.693.5
MRCR Long Context78.783.5
SimpleQA34.157.9
Humanity's Last Exam34.837.7
LMArena Coding Elo1287
Artificial Analysis Index52

Scores link to their sources. Missing cells mean the vendor hasn't disclosed a result — honesty over padding.