Tidelines — LLM usage and market share

Head to head · 2026-09-12

OpenAI logoOpenAI: GPT-5.6 Luna vs DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

Data source

Token share

OpenAI logoOpenAI: GPT-5.6 Luna

22.75%

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

8.37%

30d Δ

OpenAI logoOpenAI: GPT-5.6 Luna

+15.66pp

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

+4.84pp

Price — $ / M output

OpenAI logoOpenAI: GPT-5.6 Luna

$1.20

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

$0.60

Context window

OpenAI logoOpenAI: GPT-5.6 Luna

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 2026-09-12 · Source: tidelines.ai/compare/openai-gpt-5-6-luna-20260709-vs-deepseek-deepseek-v4-1-flash

Detail pages: OpenAI: GPT-5.6 Luna · DeepSeek: DeepSeek V4.1 Flash