Tidelines — LLM usage and market share

Head to head · 2026-09-01

StepFun logoStepFun: Step 3.7 Flash vs OpenAI logoOpenAI: GPT-5.6 Luna

Data source

Token share

StepFun logoStepFun: Step 3.7 Flash

0.52%

OpenAI logoOpenAI: GPT-5.6 Luna

10.88%

30d Δ

StepFun logoStepFun: Step 3.7 Flash

-1.90pp

OpenAI logoOpenAI: GPT-5.6 Luna

+2.44pp

Price — $ / M output

StepFun logoStepFun: Step 3.7 Flash

$1.15

OpenAI logoOpenAI: GPT-5.6 Luna

$1.20

Context window

StepFun logoStepFun: Step 3.7 Flash

262k

OpenAI logoOpenAI: GPT-5.6 Luna

1050k

Share of tokens over time

Tidelines — LLM usage and market share
Data: OpenRouter, Vercel AI Gateway as of 2026-09-01 · Source: tidelines.ai/compare/stepfun-step-3-7-flash-20260528-vs-openai-gpt-5-6-luna-20260709

Detail pages: StepFun: Step 3.7 Flash · OpenAI: GPT-5.6 Luna