GLM 5.2 Fast
GLM 5.2 Fast is a faster-serving variant of GLM-5.2, Z.AI's flagship long-horizon coding model, released June 23, 2026. Same weights and 1M tokens context, served on inference infrastructure tuned for higher throughput.
ReasoningTool UseImplicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-5.2-fast', prompt: 'Why is the sky blue?'})More models by Z.AI
| Model |
|---|
| 1M | 0.4s | 606tps | $1.40/M$0.90/M | $4.40/M$2.84/M | Read:$0.26/M$0.17/M Write:— | — |    +11 | 06/16/2026 | ||||
| 205K | 0.6s | 86tps | $1.30/M | $4.30/M | Read:$0.26/M Write:— | — |   +3 | 04/07/2026 | ||||
| 203K | 6.9s | 32tps | $1.20/M | $4/M | Read:$0.24/M Write:— | — |  | 03/15/2026 | ||||
| 203K | 0.2s | 117tps | $0.80/M | $2.56/M | Read:$0.16/M Write:— | — |  +3 | 02/12/2026 | ||||
| 205K | 0.1s | 408tps | $2.25/M | $2.75/M | Read:$2.25/M Write:— | — |  +3 | 12/22/2025 | ||||
| 128K | 0.8s | 65tps | $0.20/M | $1.10/M | Read:$0.03/M Write:— | — | | 07/28/2025 |