How many AI models has Z.ai released?
ModelCap tracks 15 canonical Z.ai models as of 22 September 2026: 15 language models (6 with a public ModelCap Index position). Superseded versions and equivalent serving routes stay listed on this page, marked as such.
What is the best Z.ai model?
GLM 5.3 is Z.ai's highest-ranked model as of 22 September 2026, at ModelCap Index position #10 with a score of 82.4, followed by GLM 5.3 Flash (#13). The table lists every ranked Z.ai model in Index order.
What is the cheapest Z.ai model?
GLM 4.7 Flash at $0.40 per 1M output tokens ($0.061 per 1M input) as of 22 September 2026, the lowest listed price among Z.ai's 15 priced language models. Prices are the lowest current provider offer on the OpenRouter catalogue.
Which Z.ai model has the largest context window?
GLM 5.3, with a published context window of 1.3M tokens. Individual providers can serve less than the published maximum; each model page lists every endpoint's own limit.
Are Z.ai models open-weight?
11 of 15 tracked Z.ai models publish downloadable weights (open weights). ModelCap labels weight availability from repository metadata, not whether the training stack is open source; the licence class is shown beside each row.