Tidelines — LLM usage and market share

Head to head · 2026-09-23

OpenAI logoOpenAI: GPT-6 Luna Pro vs DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

Data source

Token share

OpenAI logoOpenAI: GPT-6 Luna Pro

0.28%

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

14.16%

30d Δ

OpenAI logoOpenAI: GPT-6 Luna Pro

0.00pp

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

+10.62pp

Price — $ / M output

OpenAI logoOpenAI: GPT-6 Luna Pro

$0.50

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

$0.42

Context window

OpenAI logoOpenAI: GPT-6 Luna Pro

1050k

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

1049k

Share of tokens over time

Tidelines — LLM usage and market share
Data: OpenRouter, Vercel AI Gateway as of 2026-09-23 · Source: tidelines.ai/compare/openai-gpt-6-luna-pro-20260922-vs-deepseek-deepseek-v4-1-flash-20260910

Detail pages: OpenAI: GPT-6 Luna Pro · DeepSeek: DeepSeek V4.1 Flash