Head to head · 2026-09-01
OpenAI: GPT-5.6 Luna vs 
DeepSeek: DeepSeek V4 Flash 0731
Data source
Token share
OpenAI: GPT-5.6 Luna
10.88%
DeepSeek: DeepSeek V4 Flash 0731
10.09%
30d Δ
OpenAI: GPT-5.6 Luna
+2.44pp
DeepSeek: DeepSeek V4 Flash 0731
+0.31pp
Price — $ / M output
OpenAI: GPT-5.6 Luna
$1.20
DeepSeek: DeepSeek V4 Flash 0731
$0.18
Context window
OpenAI: GPT-5.6 Luna
1050k
DeepSeek: DeepSeek V4 Flash 0731
1311k
Share of tokens over time
Detail pages: OpenAI: GPT-5.6 Luna · DeepSeek: DeepSeek V4 Flash 0731