Z.ai GLM
Zhipu AI (Z.ai) ships the GLM family as both a hosted assistant and permissively licensed weights.
Full Z.ai GLM record →Head to head
Z.ai GLM vs ChatGPT
Z.ai GLM (Zhipu AI) and ChatGPT (OpenAI) both sit in Writing. ChatGPT is the cheaper entry point at Pricing not published in the provided documentation. ChatGPT shipped more tracked changes in the last 30 days (11 vs 3). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Z.ai GLM Zhipu AI | ChatGPT OpenAI |
|---|---|---|
| Segment | Writing | Writing |
| Version | GLM-5.3 | GPT-6 Astra |
| Entry cost | from $18/mo | Pricing not published in the provided documentation |
| Pricing tiers | GLM Coding Plan $18 | Free Tier free |
| Model stack | CogVideoX-3 · CogView-4 · glm-4-32b-0414-128k · GLM-4.5 · GLM-4.6 · GLM-4.6V · GLM-4.7 · GLM-5 · GLM-5-Turbo · GLM-5.1 · GLM-5.2 · GLM-5.3 · GLM-5.3-Flash · GLM-5V-Turbo · GLM-ASR-2512 · GLM-Image · GLM-OCR | GPT Image · GPT-5.2 · GPT-5.2 Thinking · GPT-5.4 · gpt-5.6 · gpt-6-astra |
| Context window | 1000000 | 196K tokens on Plus |
| Public API | ||
| Routes models | ||
| Changes / 30d | 3 | 11 |
| Origin | China | Global |
| Capabilities | Coding plan, Agentic tool use, Vision, Open weights, Artifacts, Thinking Mode, Deep Thinking, Function Calling | Voice mode, Deep research, Canvas, Agent mode, Projects, Connectors, Realtime API, Voice agents |
ChatGPT
The most widely used consumer AI assistant, spanning writing, analysis, images and voice.
Full ChatGPT record →