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.
ReasoningTool UseImplicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-4.5-air', prompt: 'Why is the sky blue?'})More models by Z.ai
| Model |
|---|
| 205K | 0.4s | 144tps | $1.30/M | $4.30/M | Read:$0.26/M Write:— | — | — | +1 |    +3 | 04/07/2026 | |||
| 203K | 3.7s | 58tps | $1.20/M | $4.00/M | Read:$0.24/M Write:— | — | — | +1 |  | 03/15/2026 | |||
| 203K | 0.3s | 124tps | $0.80/M | $2.56/M | Read:$0.16/M Write:— | — | — | +1 |  +4 | 02/12/2026 | |||
| 205K | 0.1s | 498tps | $2.25/M | $2.75/M | Read:$2.25/M Write:— | — | — | +1 |  +3 | 12/22/2025 | |||
| 200K | $0.06/M | $0.40/M | Read:$0.01/M Write:— | — | — | +1 | | 01/01/2025 | |||||
| 200K | 0.1s | $0.07/M | $0.40/M | Read:$0.01/M Write:— | — | — | |