ChatGPT vs Z.ai

Side-by-side comparison of ChatGPT and Z.ai: pricing, features, API access, and community ratings.

AI comparison summary

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	ChatGPT OpenAI's conversational AI — the world's most widely-used LLM interface. Visit	Z.ai AI chatbot and agent built on Zhipu's GLM models Visit
Category	Chat assistants	Chat assistants
Pricing	Freemium	Freemium
Starting price
Free tier
Audience	All audiences	All audiences
API available
Open source
Self-hostable
Model provider	OpenAI	GLM-5.3-Flash
Founded	2022
Headquarters	San Francisco, US
Key strengths	·conversational AI ·broad knowledge ·plugins/tools ·code generation	·AI Chatbot ·AI Agent