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Compare AI models: DeepSeek V4 Flash Vision Exp vs GPT-5.6 Luna

  1. DeepSeek V4 Flash Vision ExpDeepSeek
  2. GPT-5.6 LunaOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
DeepSeek V4 Flash Vision Exp25/10075/10067/10081/10033/1000/100
GPT-5.6 Luna69/10081/10058/10098/10050/10064/100
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text, Image
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.15/ 1M
$0.20/ 1M
Output
$0.60/ 1M
$1.20/ 1M
Cached input
$0.003/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
321K
371K
Completed sessions
1,193,896
2,038,561
Token share
0.76%
0.28%
Tokens
8.1T+406%
3T-40%
AUG 26OCT 20
AUG 26OCT 20
RetentionWeek 1
Returning users
62.9%26K user-weeks
56.7%32K user-weeks

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