GLM 5.3 Fast
Speed-optimized version of Z.AI’s GLM-5.3 agentic coding model, built for responsive, real-time workloads. It supports advanced coding, long-horizon task execution, testing, vulnerability discovery, and cybersecurity analysis, making it ideal for developer tools, coding agents, and complex multi-step engineering workflows.
- Input and output price
- Input $2.10, Output $6.60, Per 1M tokens
- 24h uptime
- Loading AI Gateway uptime
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-5.3-fast', prompt: 'Why is the sky blue?'})Copy link to headingMore models by Z.AI
| Model |
|---|
| 1M | 0.6 s | 218 tps | $0.70/M | $2.20/M | Read$0.13/M | — |  | 09/02/2026 | ||||||
| 1M | 0.5 s | 194 tps | $0.07/M | $0.24/M | Read$0.01/M | — | +1 |   +14 | 08/26/2026 | |||||
| 1M | 0.2 s | 326 tps | $0.70/M+1 more | $2.20/M+1 more | Read$0.12/M | — | +11 | 08/18/2026 | ||||||
| 1M | 0.5 s | 247 tps | $2.10/M | $6.60/M | Read$0.21/M | — |   | 06/23/2026 | ||||||
| 1M | 0.2 s | 452 tps | $0.70/M+1 more | $2.20/M+1 more | Read$0.11/M | — |  +15 | 06/16/2026 | ||||||
| 203K | 0.8 s | 131 tps | $1/M | $3.20/M | Read$0.20/M | — |    | 02/12/2026 |