BigModel Free GLM Flash Models
Free GLM Flash text, vision, image and video models on Zhipu's BigModel API
What you get from BigModel Free GLM Flash Models for free
Overview
BigModel is Zhipu AI's API platform for mainland China (the international platform is Z.ai, listed separately). Its model overview labels a set of Flash models as free (免费模型), callable through the same API as the paid GLM models.
Key Free Models
| Model | Type | Context | Max output |
|---|---|---|---|
| GLM-4.7-Flash | Free text model | 200K | 128K |
| GLM-4.5-Flash | Free text model | 128K | 96K |
| GLM-4-Flash-250414 | Free text model | 128K | 16K |
| GLM-4.6V-Flash | Free model, visual reasoning | 128K | 32K |
| GLM-4.1V-Thinking-Flash | Free model, visual reasoning | 64K | 16K |
| GLM-4V-Flash | Free model, image understanding | 16K | 1K |
| CogView-3-Flash | Free image generation | - | - |
| CogVideoX-Flash | Free video generation | - | - |
GLM-4.7-Flash is a 30B-class model recommended for front- and back-end coding, Chinese writing, translation and long text.
Free Tier Quotas & Limits
The overview does not publish request or token limits for the free models; the console shows the account's concurrency. Faster FlashX variants (for example GLM-4.7-FlashX) are paid.
How to Get Started
Register at open.bigmodel.cn, create an API key and call the chat completions endpoint with a free model name such as glm-4.7-flash. Docs and console are in Chinese.
Models served free
Limits as the provider publishes them; a dash means none is published.
| Model | Context | RPM | RPD | TPM | Tools | Vision |
|---|---|---|---|---|---|---|
| GLM-4.7-FlashFree text model; 128K max output; limits unpublished | 200k | — | — | — | — | — |
| GLM-4.5-FlashFree text model; 96K max output; limits unpublished | 128k | — | — | — | — | — |
| GLM-4-Flash-250414Free text model; 16K max output; limits unpublished | 128k | — | — | — | — | — |
| GLM-4.6V-FlashFree vision reasoning model; 32K max output; limits unpublished | 128k | — | — | — | — | yes |
| GLM-4.1V-Thinking-FlashFree vision reasoning model; 16K max output; limits unpublished | 64k | — | — | — | — | yes |
| GLM-4V-FlashFree image-understanding model; 1K max output; limits unpublished | 16k | — | — | — | — | yes |
History
Listed on , first verification pending · last automated check : no change found. Automated findings never change this page until a person confirms them (how we verify).
- Listedby a person · Published from a draft after review
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Related offers
Free tier - Free models: GLM-4.7-Flash, GLM-4.5-Flash, GLM-4.6V-Flash (input, cached input, cached input storage, and output all $0)
Free tier - Per-organization limits tracked as RPM, RPD, TPM, TPD
Free tier - Free models: DeepSeek-V4-Flash, DeepSeek-V4-Flash-Vision-Exp, Qwen3.8-Flash-Next, MiniCPM5-2B
30,000,000 tokens/month - 30M tokens/month on the free tier (input + output, incl. reasoning)
6 months - 6 months of Pro-resources access, one-time per account
12 months - One-year license via the GitHub Student Pack