GLM 5.3 Flash
GLM-5.3-Flash is Z.ai’s native multimodal coding model, featuring 320B total parameters, 18B activated parameters, and a 1M-token context window. Its efficient hybrid attention architecture supports visual coding, tool use, and end-to-end professional workflows across code, browsers, documents, and graphical interfaces. Your use is subject to Z.AI's Terms & Privacy Policies.
ReasoningTool UseImplicit CachingVision (Image)
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-5.3-flash', prompt: 'Why is the sky blue?'})Copy link to headingMore models by Z.AI
| Model |
|---|
| 1M | 3.6s | 91tps | $1.40/M | $4.40/M | Read:$0.26/M Write:— | — |  | 08/18/2026 | ||||||
| 1M | 0.5s | 168tps | $2.10/M | $6.60/M | Read:$0.21/M Write:— | — |    | 06/23/2026 | ||||||
| 1M | 0.3s | 196tps | $0.70/MFast $2.10/M | $2.20/MFast $6.60/M | Read:$0.11/M Write:— | — |  +15 | 06/16/2026 | ||||||
| 205K | 0.8s | 46tps | $1.40/M | $4.40/M | Read:$0.26/M Write:— | — |   | 04/07/2026 | ||||||
| 203K | 0.7s | 133tps | $0.80/M | $2.56/M | Read:$0.16/M Write:— | — |  +1 | 02/12/2026 | ||||||
| 200K | 0.6s | 106tps | $0.06/M | $0.40/M | Read:$0.01/M Write:— | — | | 01/19/2026 |