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.
ReasoningTool UseImplicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-5.2', prompt: 'Why is the sky blue?'})Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Provider |
|---|
 Z.ai | 1M | 7.7s | 68tps | $1.40/M | $4.40/M | Read:$0.26/M Write:— | — | — | +1 | 06/16/2026 | ||
 Baseten | 1M | 3.7s | 91tps | $1.50/M | $4.50/M | Read:$0.3/M Write:— | — | — | +1 | 06/16/2026 | ||
 Fireworks | 1M | 1.8s | 57tps | $1.40/M | $4.40/M | Read:$0.26/M Write:— | — | — | +1 | 06/16/2026 | ||
 Wafer | 1M | 6.9s | 229tps | $3.00/M | $10.25/M | Read:$0.5/M Write:— | — | — | +1 | 06/16/2026 | ||
 DeepInfra | 1M | 1.3s | 25tps | $0.95/M | $3.00/M | Read:$0.18/M Write:— | — | — | +1 | 06/16/2026 | ||
 Parasail | 262K | $1.40/M | $4.40/M | Read:$0.26/M Write:— | — | — | +1 | 06/16/2026 |