Tidelines — LLM usage and market share

Head to head · 2026-10-25

StepFun logoStepFun: Step 3.7 Flash vs OpenAI logoOpenAI: GPT-6 Luna

Data source

Token share

StepFun logoStepFun: Step 3.7 Flash

0.19%

OpenAI logoOpenAI: GPT-6 Luna

6.24%

30d Δ

StepFun logoStepFun: Step 3.7 Flash

-0.08pp

OpenAI logoOpenAI: GPT-6 Luna

+3.46pp

Price — $ / M output

StepFun logoStepFun: Step 3.7 Flash

$1.15

OpenAI logoOpenAI: GPT-6 Luna

$0.50

Context window

StepFun logoStepFun: Step 3.7 Flash

262k

OpenAI logoOpenAI: GPT-6 Luna

1050k

Share of tokens over time

Tidelines — LLM usage and market share
Source: OpenRouter (openrouter.ai/rankings), as of 2026-10-25. Vercel AI Gateway data as of 2026-10-25. · tidelines.ai/compare/stepfun-step-3-7-flash-20260528-vs-openai-gpt-6-luna-20260922

Detail pages: StepFun: Step 3.7 Flash · OpenAI: GPT-6 Luna