Zhipu AI (Z.ai) · Free API
GLM-4.5-Flash
Former free model, retired on 2026-01-30; requests are routed to GLM-4.7-Flash.
Free API Retired 🛠 Tool calling 128K 🕒 Verified on 2026-10-10
⚠ This free offer is no longer available. Kept for reference.
Free conditions
- Free conditions
- Former free model, retired on 2026-01-30; requests are routed to GLM-4.7-Flash.
- Free until
- 2026-01-30
- Rate limits
- —
- Sign-up / login
- Required
- Real-name verification
- —
- Credit card
- —
- Region
- —
- Data use
- —
Specs
- Provider
- Zhipu AI (Z.ai)
- Platform
- Zhipu BigModel platform
- Type
- Free API
- Modalities
- Text
- Parameters
- —
- Context length
- 128K (131,072 tokens)
- License
- Proprietary (API)
- Tool calling
- Yes
- Released
- —
How to access
- API base URL
https://open.bigmodel.cn/api/paas/v4- Model ID
glm-4.5-flash- Platform page
- https://bigmodel.cn/
Official sources
- 智谱开放文档 – GLM-4.5-Flash https://docs.bigmodel.cn/cn/guide/models/free/glm-4.5-flash
🕒 Verified on 2026-10-10 · Free terms change often. Always confirm limits, data-use policy and regional availability on the official page before relying on a free tier.
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