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 | 1.3s | 229tps | $0.95/M | $3.00/M | Read:$0.18/M Write:— | — | — | +1 |    +3 | 06/16/2026 | |||
| 205K | 0.4s | 167tps | $1.30/M | $4.30/M | Read:$0.26/M Write:— | — | — | +1 | +3 | 04/07/2026 | |||
| 203K | 6.9s | 23tps | $1.20/M | $4.00/M | Read:$0.24/M Write:— | — | — | +1 |  | 03/15/2026 | |||
| 203K | 0.3s | 91tps | $0.80/M | $2.56/M | Read:$0.16/M Write:— | — | — | +1 |  +3 | 02/12/2026 | |||
| 200K | 1.5s | 200tps | $0.06/M | $0.40/M | Read:$0.01/M Write:— | — | — | +1 | | 01/19/2026 | |||
| 205K | 0.1s | 640tps | $2.25/M | $2.75/M | Read:$2.25/M Write:— | — | — | +1 |  +3 | 12/22/2025 |