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Compare AI models: DeepSeek V4 Flash vs GPT-6 Luna

  1. DeepSeek V4 FlashDeepSeek
  2. GPT-6 LunaOpenAIHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
DeepSeek V4 Flash25/10073/10059/10081/1000/1000/100
GPT-6 Luna50/100 — Reasoning supported; no comparable benchmark47/10073/10098/10050/10050/100 — Tool calling supported; no comparable benchmark
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.30/ 1M
$0.10/ 1M
Output
$1.20/ 1M
$0.50/ 1M
Cached input
$0.006/ 1M
$0.01/ 1M
MomentumLast 2 mo
Unique users
2.5M
416K
Completed sessions
30,106,962
2,995,095
Token share
11.4%
0.23%
Tokens
118T-54%
2.4T+100%
AUG 23OCT 17
AUG 23OCT 17
RetentionWeek 1
Returning users
69.3%272K user-weeks
65.2%3.5K user-weeks

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