Head to head · 2026-09-14
OpenAI: GPT-5.6 Luna vs 
DeepSeek: DeepSeek V4 Flash 0423
Data source
Token share
OpenAI: GPT-5.6 Luna
14.15%
DeepSeek: DeepSeek V4 Flash 0423
3.57%
30d Δ
OpenAI: GPT-5.6 Luna
+7.34pp
DeepSeek: DeepSeek V4 Flash 0423
-2.50pp
Price — $ / M output
OpenAI: GPT-5.6 Luna
$1.20
DeepSeek: DeepSeek V4 Flash 0423
$0.18
Context window
OpenAI: GPT-5.6 Luna
1050k
DeepSeek: DeepSeek V4 Flash 0423
1049k
Share of tokens over time
Detail pages: OpenAI: GPT-5.6 Luna · DeepSeek: DeepSeek V4 Flash 0423