GLM-4-Flash-250414 is free on 1 provider today. Permanent free tiers come first, then one-time trials.
| Provider | API model ID | Context | Free limits | Sign-up |
|---|---|---|---|---|
| Zhipu BigModel (China) | glm-4-flash-250414 |
128K | Low concurrency on free Flash models (GLM-4.7-Flash reported at 1 concurrent request) | Phone |
Free lists change often. Each provider page shows its full limits and code examples, and every change is logged in the changelog. Want to call it from Claude Code or Cursor? Use the setup generator.