GLM 5.3
GLM 5.3 delivers comprehensive advancements in complex software engineering and agent capabilities. It uses the same base model as GLM-5.2, with all improvements driven by post-training.
- Input and output price50% off
- Prices from: Input $0.70, Output $2.20, Per 1M tokens
- 24h uptime
- Loading AI Gateway uptime
import { streamText } from 'ai'
const result = streamText({ model: 'zai/glm-5.3', prompt: 'Why is the sky blue?'})Copy link to headingProviders
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 |
|---|
| 1M | 128K | 3.3 s | 93 tps | $1.40/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 1M | 0.8 s | 87 tps | $1.20/M | $4/M | Read$0.12/M | — | 08/18/2026 | |||||||
 FriendliAI Legal:Terms•Privacy10% off | 1M | 1M | 0.2 s | 102 tps | $1.26/M | $3.96/M | Read$0.23/M | — | 08/18/2026 | ||||||
| 1M | 1M | 2.4 s | 15 tps | $1.40/M+1 more | $4.40/M+1 more | Read$0.14/M | — | 08/18/2026 | |||||||
| 1M | 1M | 0.8 s | 147 tps | $1.40/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 1M | 1.5 s | 72 tps | $1.40/M+1 more | $4.40/M+1 more | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 1M | 0.5 s | 134 tps | $1.40/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 1M | 0.6 s | 106 tps | $1.40/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 1M | 0.1 s | 295 tps | $1.40/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
 DigitalOcean Legal:Terms•Privacy50% off | 1M | 1M | 2.1 s | 199 tps | $0.70/M | $2.20/M | Read$0.13/M | — | 08/18/2026 | ||||||
| 1M | 1M | 0.8 s | 165 tps | $1.25/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 128K | 1.6 s | 145 tps | $1.40/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 1M | 0.6 s | 67 tps | $1.40/M | $4.40/M | Read$0.26/M | — | 08/18/2026 | |||||||
| 1M | 1M | 0.7 s | 347 tps | $1.20/M | $4/M | Read$0.20/M | — | 08/18/2026 |
Copy link to headingPlayground
Try out GLM 5.3 by Z.AI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.
GLM 5.3
GLM 5.3
Copy link to headingUptime24 hours
Direct request success rate on AI Gateway and per-provider. Visit the docs for more info.
Copy link to headingThroughput24 hours
P50 throughput on live AI Gateway traffic, in tokens per second (TPS). Visit the docs for more info.
Copy link to headingLatency24 hours
P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.
Copy link to headingMore models by Z.AI
| Model |
|---|
| 1M | 1.4 s | 208 tps | $0.70/M | $2.20/M | Read$0.13/M | — | | 09/02/2026 | ||||||
| 1M | 0.3 s | 250 tps | $0.07/M | $0.24/M | Read$0.01/M | — | +1 |   +14 | 08/26/2026 | |||||
| 1M | 0.5 s | 207 tps | $2.10/M | $6.60/M | Read$0.21/M | — |   | 06/23/2026 | ||||||
| 1M | 0.2 s | 477 tps | $0.70/M+1 more | $2.20/M+1 more | Read$0.11/M | — |  +15 | 06/16/2026 | ||||||
| 205K | 1.5 s | 35 tps | $1.40/M | $4.40/M | Read$0.26/M | — |  | 04/07/2026 | ||||||
| 203K | 0.5 s | 134 tps | $1/M | $3.20/M | Read$0.20/M | — |  | 02/12/2026 |