GLM 5.2
GLM 5.2 is Z.AI's flagship open-weight model for long-horizon coding and agentic engineering, released June 16, 2026. A 1.0M tokens context window carries project-level engineering state, and selectable reasoning effort tunes depth per request. Your use is subject to Z.AI's Terms & Privacy Policies.
ReasoningTool UseImplicit Caching
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-5.2', prompt: 'Why is the sky blue?'})Copy link to headingMore models by Z.AI
| Model |
|---|
| 1M | 0.5s | 201tps | $2.10/M | $6.60/M | Read:$0.21/M Write:— | — |    +1 | 06/23/2026 | |||||
| 205K | 2.0s | 74tps | $1.40/M | $4.40/M | Read:$0.26/M Write:— | — |    | 04/07/2026 | |||||
| 203K | 0.5s | 99tps | $0.80/M | $2.56/M | Read:$0.16/M Write:— | — |  +2 | 02/12/2026 | |||||
| 200K | 1.0s | 170tps | $0.06/M | $0.40/M | Read:$0.01/M Write:— | — | | 01/19/2026 | |||||
| 205K | 0.1s | 482tps | $2.25/M | $2.75/M | Read:$2.25/M Write:— | — |  +3 | 12/22/2025 | |||||
| 205K | 0.4s | 109tps | $0.60/M | $2.20/M | Read:$0.11/M Write:— | — | | 09/30/2025 |