Tidelines — LLM usage and market share

Head to head · 2026-09-01

Z-AI logoZ.ai: GLM 5.3 Flash vs OpenAI logoOpenAI: GPT-5.6 Luna

Data source

Token share

Z-AI logoZ.ai: GLM 5.3 Flash

11.57%

OpenAI logoOpenAI: GPT-5.6 Luna

10.88%

30d Δ

Z-AI logoZ.ai: GLM 5.3 Flash

+9.61pp

OpenAI logoOpenAI: GPT-5.6 Luna

+2.44pp

Price — $ / M output

Z-AI logoZ.ai: GLM 5.3 Flash

$0.25

OpenAI logoOpenAI: GPT-5.6 Luna

$1.20

Context window

Z-AI logoZ.ai: GLM 5.3 Flash

1311k

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/z-ai-glm-5-3-flash-20260826-vs-openai-gpt-5-6-luna-20260709

Detail pages: Z.ai: GLM 5.3 Flash · OpenAI: GPT-5.6 Luna