DeepSeek V4-Pro vs DeepSeek V4.1-Flash

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

DeepSeek
DeepSeek V4-ProGA
8.5
AI Panel
DeepSeek
DeepSeek V4.1-FlashGA
8.6
AI Panel

Identity & lifecycle

ProviderDeepSeekDeepSeek
Family / tierDeepSeek V4 · ProDeepSeek V4 · Flash
StatusGAGA
Released2026-08-132026-09-10
Knowledge cutoff2026-02—

Architecture & context

Context window1M1M
Max output tokens384K384K
Input modalitiestexttext, image
Reasoning modeoptionaloptional
Open weightsYesYes

Pricing (per Mtok)

Input$1.32$0.3
Output$3.96$1.2
Cached input$0.044$0.006
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 score8.58.6
Decision Maker88.5
Domain Strategist8.59
Finance Lead99
Domain Practitioner8.59
Power User7.58.5
Skeptic7.57.5
Value score9.49.6

Benchmarks

MMLU-Pro87.5—
GPQA Diamond90.190.9
SWE-bench Verified80.6—
HumanEval76.8—
LiveCodeBench93.5—
Terminal-Bench—90.6
MRCR Long Context83.5—
SimpleQA57.9—
Humanity's Last Exam37.736.8
LMArena Elo1463—
LMArena Coding Elo1503—

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