GLM 5.3 Prime
GLM 5.3 Prime is a text-input model by Z.ai, available through the AgentSky API as zai/glm-5.3-prime at $3.2494 per million input tokens and $10.2124 per million output tokens, with a 1M context window.
GLM-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.
HarnessModel
Pricing
USD per million tokens, using your plan when signed in.
| Meter | Per 1M tokens |
|---|---|
| Input | Price: $3.2494 |
| Output | Price: $10.2124 |
| Cache read | Price: $0.64988 |
| Cache write | Price: $3.2494 |
Use it
Point your client at the gateway and pass this model id. Nothing else changes.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://gateway.agentsky.dev/v1",
apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});
const completion = await client.chat.completions.create({
model: "zai/glm-5.3-prime",
messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response