CHT·15 · Chat & Assistants

Z.ai

The chat app for Zhipu AI's GLM models, offering free access to capable models for writing, reasoning, coding and building simple web pages.

PricingFree

CategoryChat & Assistants

Last checkedNov 2026

What is Z.ai?

Z.ai is the chat interface for Zhipu AI's GLM family of models. It handles general questions and writing, and is particularly noted for coding and agent-style tasks such as generating working web pages and slides.

Many GLM models are released with open weights, which makes them popular with developers. As with any provider, check where data is processed before using it for confidential work.

Key features

GLM modelsCapable models for chat and reasoning.

CodingWrite, explain and debug code.

Web and slidesGenerate simple pages and presentations.

Open weightsDevelopers can run many GLM models.

How to get started

Open chat.z.ai.
Ask it to build a simple landing page.
Review the privacy terms before sharing work data.

Our take

A strong free option, especially for coding and quick prototypes.

Best for

Coding and web prototypes
Free access to strong models
Reasoning tasks

Strengths

Free to use
Open-weight model family

Limits

Smaller ecosystem
Teams should check data handling

Visit Z.ai ↗

Questions

Is Z.ai free?

Yes. Z.ai is free to use.

What is Z.ai best for?

Z.ai is best for: Coding and web prototypes, Free access to strong models, and Reasoning tasks.

What are the best alternatives to Z.ai?

Popular alternatives in Chat & Assistants include ChatGPT, Claude, Gemini, Microsoft Copilot, and DeepSeek.

Pricing and features change often. Confirm details on the official Z.ai website.