z-ai
Z.ai: GLM 5.3 (retires Dec 31)
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
Context
1M tokens
Input / 1M tokens
$1.40
Output / 1M tokens
$4.40
Benchmark
—
Pricing
Input tokens$1.40 per 1M tokens
Output tokens$4.40 per 1M tokens
Cache read$0.26 per 1M tokens
Technical details
Model IDz-ai/glm-5.3
Context window1M tokens
Input modalitiestext
Output modalitiestext
TokenizerOther
Max output tokens131,072
Use with MegaBrain
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',
messages: [{ role: 'user', content: 'Hello!' }],
})Ready to use Z.ai: GLM 5.3 (retires Dec 31)?
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