GLM 4.5 Air
GLM 4.5 Air is Z.AI's efficiency-focused model released July 28, 2025. It delivers fast inference for high-volume workloads while keeping reasoning and coding capability at reduced cost compared to the full GLM-4.5. Your use is subject to Z.AI's Terms & Privacy Policies.
ReasoningTool UseImplicit Caching
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-4.5-air', prompt: 'Why is the sky blue?'})Copy link to headingMore models by Z.AI
| Model |
|---|
| 1M | 0.5s | 168tps | $0.15/M$0.08/M | $0.50/M$0.25/M | Read:$0.03/M$0.01/M Write:— | — | +1 |    +11 | 08/26/2026 | |||||
| 1M | 0.2s | 218tps | $1.40/M | $4.40/M | Read:$0.14/M Write:— | — | +7 | 08/18/2026 | ||||||
| 1M | 0.5s | 233tps | $2.10/M | $6.60/M | Read:$0.21/M Write:— | — |   | 06/23/2026 | ||||||
| 1M | 0.1s | 321tps | $0.70/MFast $2.10/M | $2.20/MFast $6.60/M | Read:$0.11/M Write:— | — |  +15 | 06/16/2026 | ||||||
| 205K | 3.1s | 72tps | $1.40/M | $4.40/M | Read:$0.26/M Write:— | — |   | 04/07/2026 | ||||||
| 200K | 0.6s | 110tps | $0.06/M | $0.40/M | Read:$0.01/M Write:— | — | | 01/19/2026 |