DeepSeek V4-Flash vs DeepSeek V4.1-Flash vs DeepSeek V4-Pro

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

DeepSeek
DeepSeek V4-Flashretired
8.7
AI Panel
DeepSeek
DeepSeek V4.1-FlashGA
8.6
AI Panel
DeepSeek
DeepSeek V4-ProGA
8.5
AI Panel

Identity & lifecycle

ProviderDeepSeekDeepSeekDeepSeek
Family / tierDeepSeek V4 · FlashDeepSeek V4 · FlashDeepSeek V4 · Pro
StatusretiredGAGA
Released2026-04-242026-09-102026-08-13
Knowledge cutoff2026-02—2026-02

Architecture & context

Context window1M1M1M
Max output tokens384K384K384K
Input modalitiestexttext, imagetext
Reasoning modeoptionaloptionaloptional
Open weightsYesYesYes

Pricing (per Mtok)

Input$0.14$0.3$1.32
Output$0.28$1.2$3.96
Cached input$0.0028$0.006$0.044
Batch input———
Free tierYesYesYes

Speed

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

Trust & deployment

Trains on inputsYesYesYes
LicenseMITMITMIT
Clouds———
Compliance———

AI Panel scoring

Unified score8.78.68.5
Decision Maker8.58.58
Domain Strategist8.598.5
Finance Lead9.799
Domain Practitioner8.598.5
Power User88.57.5
Skeptic7.57.57.5
Value score9.99.69.4

Benchmarks

MMLU-Pro86.2—87.5
GPQA Diamond88.190.990.1
SWE-bench Verified79—80.6
HumanEval——76.8
LiveCodeBench91.6—93.5
Terminal-Bench—90.6—
MRCR Long Context78.7—83.5
SimpleQA34.1—57.9
Humanity's Last Exam34.836.837.7
LMArena Elo1438—1463
LMArena Coding Elo1483—1503

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