Z.ai
Meet Z.ai, the AI assistant powered by GLM-5.2. Build websites, write code, handle long-horizon tasks, and get instant answers. Fast, smart, and reliable.
Our verdict
Z.ai positions itself as meet Z.ai, the AI assistant powered by GLM-5.2. Build websites, write code, handle long-horizon tasks, and get instant answers. Fast, smart, and reliable. No free tier is advertised, though pricing is at least public. Developer documentation and a public changelog are both maintained, which is a good sign for anything you intend to build on. We have not verified the prices by hand, so we do not quote them here. Everything above was checked on 2026-08-26.
Pricing
- Free tierNo
- Public price listYes
We do not republish prices we have not checked by hand, because automated price extraction proved unreliable enough to mislead. The vendor’s own page has the current figures. Why we do this
View pricing on chat.z.aiWhat users actually say
- Z.ai is pretty much a scam. Reddit · N/A
- Zai Coding Plan with GLM5 works great! Reddit · N/A
- Trying Z.ai… is it always so slow? Reddit · N/A
- z.ai limits not even close to Claude Pro plan with GLM-4.7 Reddit · N/A
- Is GLM-5-Code really not available for Coding Plan subscribers? Reddit · N/A
We link to discussions rather than reproducing them. Opinions belong to their authors.
User reviews
No one has reviewed Z.ai here yet. Reviews are moderated before they appear, and our own score is editorial and separate from user ratings, though once reviews land they do lift it.
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Z.ai alternatives
Side by side
| Tool | Our score | From | Free tier | Best for | |
|---|---|---|---|---|---|
| Z.ai this page | 4.2 | - | - | ||
| Chatbase | 6.5 | $40 | Yes | ||
| Agentdock | 5.9 | $39 | Yes | ||
| Browse Ai | 5.9 | $2.40 | Yes | ||
| Character Ai | 5.8 | - | Yes | ||
| Chatmaxima | 5.8 | $30 | - | ||
| Claude | 5.5 | $17 | Yes |
Questions
Is Z.ai free?
We found no free tier or trial advertised on Z.ai’s own site. Check the vendor’s pricing page, since this can change.
How much does Z.ai cost?
Z.ai publishes pricing on its own site. We deliberately do not republish prices we have not verified by hand, because automated price extraction proved unreliable enough to mislead. Use the link on this page for current figures.
Does Z.ai have an API or developer docs?
Yes, Z.ai publishes developer documentation.
How is Z.ai scored here?
Z.ai scores 4.2 out of 10. That comes from a desk review of public evidence, which is capped at 8.5 out of 10: public pricing, documentation, maintenance signals and how much we could actually verify. Affiliate relationships are excluded from scoring entirely. The full rubric is published on our methodology page.