Z.ai (Zhipu) — free GLM Flash models
Z.ai lists GLM-4.7-Flash, GLM-4.5-Flash and the vision model GLM-4.6V-Flash as free on input, cached input and output.
- Anyone with a Z.ai API account
- Catch: Only the Flash models above are free; rate limits are not shown on the pricing page. Pricing pages change, so check before building on it. Newer GLM-5.x models are paid.
Free GLM Flash models