Compare the 3 models in Z.ai — independently verified, re-verified on a rolling schedule, graded on capability, pricing and compliance.
HokAI tracks 3 active tools in Z.ai.
HokAI currently lists 3 active entries in Z.ai. Each is verified against the vendor's own pages and re-checked as those pages change, so the count moves as the category does.
GLM-5.2, GLM-5.3 and GLM-5.3-Flash. Each links through to a full profile covering what it does, how it is priced where that is published, and how it compares with the alternatives in the same category.
None of the 3 current Z.ai listings publish a free tier. Several offer trials or quote on request, so check the individual listing before assuming there is no way to test first.