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GLM 4.5

GLM 4.5 is Z.ai's full-scale model released July 28, 2025, unifying reasoning, coding, and agentic capabilities in a single endpoint. Available through AI Gateway with built-in observability and intelligent provider routing.

ReasoningTool UseImplicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'zai/glm-4.5',
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
Context
Latency
Throughput
Input
Output
Cache
Web Search
Per Query
Capabilities
ZDR
No Training
Release Date
Z.ai
128K
0.7s
87tps
$0.60/M$2.20/M
Read:$0.11/M
Write:
+1
07/28/2025
Novita AI
131K
0.8s
80tps
$0.60/M$2.20/M
Read:$0.11/M
Write:
07/28/2025