Z.ai
GLM 5.3 Prime
z-ai/glm-5.3-primeGLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...
Context
1M tokens
Input, 1M tokens
$3.22
Output, 1M tokens
$10
Benchmark
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Uptime and speed
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Pricing
Charged from your prepaid balance for the tokens actually used.
Input tokens$3.22 per 1M tokens
Output tokens$10 per 1M tokens
Cache read$0.64 per 1M tokens
Apps and activity
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Technical details
Model IDz-ai/glm-5.3-prime
Context window1M tokens
AcceptsText
ProducesText
TokenizerOther
Max output tokens131,072
How to connect
The API is OpenAI-compatible: the official SDKs, LangChain and any client with a "base URL" field work.
import OpenAI from 'openai'
const client = new OpenAI({
baseURL: 'https://getmegabrain.com/api/gateway/v1',
apiKey: process.env.MEGABRAIN_API_KEY,
})
const response = await client.chat.completions.create({
model: 'z-ai/glm-5.3-prime',
messages: [{ role: 'user', content: 'Hello!' }],
})Start using GLM 5.3 Prime
Create a free account, get a key in your dashboard and send your first request. Top up your balance when you need it.