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Compare AI models: DeepSeek V4.1 Flash vs DeepSeek V4 Flash

  1. DeepSeek V4.1 FlashDeepSeek
  2. DeepSeek V4 FlashDeepSeek
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
DeepSeek V4.1 Flash100/100100/10058/10081/10033/10092/100
DeepSeek V4 Flash25/10075/10058/10081/1000/1000/100
Overview
Author
Context length
1M
1M
Reasoning
True
True
Input modalities
Text, Image
Text
Output modalities
Text
Text
Providers
Pricing
Input
$0.30/ 1M
$0.30/ 1M
Output
$1.20/ 1M
$1.20/ 1M
Cached input
$0.006/ 1M
$0.006/ 1M
MomentumLast 2 mo
Unique users
1.9M
3.1M
Completed sessions
35,153,057
37,128,352
Token share
20.6%
15%
Tokens
200T+100%
145T-38%
AUG 18OCT 12
AUG 18OCT 12
RetentionWeek 1
Returning users
64.2%249K user-weeks
69.3%272K user-weeks

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