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Zhipu AI BigModel

AI & ML Free standing pricing (no card)

AuthenticationFree standing pricing (no card)
Rate limitGLM-4.7-Flash (200K context), GLM-4-Flash, GLM-Z1-Flash, vision Flash models, CogView-3-Flash (image), and CogVideoX-Flash (video) priced free on the official pricing table; standing free price, not a trial

Documentation: docs.bigmodel.cn ยท Checked Sep 21, 2026

About

Zhipu's BigModel platform prices its GLM Flash family at free on the official pricing table: GLM-4.7-Flash with a 200K context window, plus GLM-4-Flash, GLM-Z1-Flash, vision Flash models, the CogView-3-Flash image model, and CogVideoX-Flash for video. This is standing free pricing, not a trial. Endpoints are OpenAI-compatible (and Claude Responses-compatible).

Details

Free to start. You may need a free key, but no credit card.

Auth: Free standing pricing (no card)

Rate limit: GLM-4.7-Flash (200K context), GLM-4-Flash, GLM-Z1-Flash, vision Flash models, CogView-3-Flash (image), and CogVideoX-Flash (video) priced free on the official pricing table; standing free price, not a trial

Verified: 2026-09-21

Best for: developer

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Setup

  1. Go to open.bigmodel.cn and create an account (no card).
  2. Create an API key in the console.
  3. Point your OpenAI-compatible client at the BigModel endpoint.
  4. Pick a Flash model for text, or CogView-3-Flash / CogVideoX-Flash for image and video.
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