DeepSeek V4-Pro vs DeepSeek V4-Flash

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

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

Identity & lifecycle

ProviderDeepSeekDeepSeek
Family / tierDeepSeek V4 · ProDeepSeek V4 · Flash
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$0.435$0.14
Output$0.87$0.28
Cached input$0.0036$0.0028
Batch input
Free tierYesYes

Speed

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

Trust & deployment

Trains on inputsYesYes
LicenseMITMIT
Clouds
Compliance

AI Panel scoring

Unified score8.58.7
Decision Maker88.5
Domain Strategist8.58.5
Finance Lead9.59.7
Domain Practitioner8.58.5
Power User7.58
Skeptic7.57.5
Value score9.79.9

Benchmarks

MMLU-Pro87.586.2
GPQA Diamond90.188.1
SWE-bench Verified80.679
HumanEval76.8
LiveCodeBench93.591.6
MRCR Long Context83.578.7
SimpleQA57.934.1
Humanity's Last Exam37.734.8
LMArena Coding Elo1287
Artificial Analysis Index52

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