Models / GLM
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  • Vision
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GLM 5.3 Flash

Long-context chat, coding and tool workflows with GLM 5.3 Flash.

GLM model family

About this model

GLM 5.3 Flash is available through the Arnict API with a 1,048,576-token context window and up to 131,072 output tokens. Input, cached input and output are priced separately. Check the live service status before sending requests.

Parameters
320B18B active per token
Native context
1,048,5761,048,576 tokens served by Arnict.
Maximum output
131,072Hard limit

Capabilities

  • Chat completionsUse this model with the chat-completions API when it is marked Available.
  • Native input modalitiesText, Image, Video input are listed in the published catalog metadata.
  • Long-context input1,048,576 tokens · 1,048,576 tokens served by Arnict.
  • Defined output limit131,072 tokens

Published limits

Published model-card facts, kept separate from live availability.

MetricPublished valueNote
Arnict API output limit131,072 tokensMaximum output accepted by the Arnict API for this model
Parameters320B total / 18B activeUpstream model card
Context window1,048,576 tokens1,048,576 tokens served by Arnict.
Maximum output131,072 tokens hard limitUpstream model card
Weights / activationsNVFP4Published format

  • Native multimodal model for text, image, and video
  • 288 routed experts; 8 selected per token; 1 shared expert
  • 45 layers
  • Manifold-Constrained Hyper-Connections (mHC)
  • Thinking modes: off, low, high, max
View on Hugging Face

Use zai/glm-5.3-flash-uncensored with an OpenAI-compatible client now.

Read the API docs

Call it with the OpenAI SDK

Use the complete model ID with the OpenAI SDK. Set your Arnict API key as an environment variable before running the example.

chat.tsTypeScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.arnict.com/v1",
  apiKey: process.env.ARNICT_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "zai/glm-5.3-flash-uncensored",
  messages: [
    { role: "user", content: "Explain continuous batching in one paragraph." },
  ],
});

console.log(completion.choices[0].message.content);