Tidelines — LLM usage and market share

Head to head · 2026-09-01

OpenAI logoOpenAI: gpt-oss-20b vs Z-AI logoZ.ai: GLM 5.3 Flash

Data source

Token share

OpenAI logoOpenAI: gpt-oss-20b

0.43%

Z-AI logoZ.ai: GLM 5.3 Flash

11.57%

30d Δ

OpenAI logoOpenAI: gpt-oss-20b

+0.07pp

Z-AI logoZ.ai: GLM 5.3 Flash

+9.61pp

Price — $ / M output

OpenAI logoOpenAI: gpt-oss-20b

$0.13

Z-AI logoZ.ai: GLM 5.3 Flash

$0.25

Context window

OpenAI logoOpenAI: gpt-oss-20b

131k

Z-AI logoZ.ai: GLM 5.3 Flash

1311k

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/openai-gpt-oss-20b-vs-z-ai-glm-5-3-flash-20260826

Detail pages: OpenAI: gpt-oss-20b · Z.ai: GLM 5.3 Flash