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Model Library/GLM 5.3 Flash
GLM 5.3 Flash

GLM 5.3 Flash

zai-org/glm-5.3-flash
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while reducing compute overhead.

Features

Serverless API

Docs

zai-org/glm-5.3-flash is available via Novita's serverless API, where you pay per token. There are several ways to call the API, including OpenAI-compatible endpoints with exceptional reasoning performance.

Available Serverless

Run queries immediately, pay only for usage

Input$0.15 / M Tokens
Cache Read$0.03 / M Tokens
Output$0.5 / M Tokens

Use the following code examples to integrate with our API:

1from openai import OpenAI
2
3client = OpenAI(
4    api_key="<Your API Key>",
5    base_url="https://api.novita.cyou/openai"
6)
7
8response = client.chat.completions.create(
9    model="zai-org/glm-5.3-flash",
10    messages=[
11        {"role": "system", "content": "You are a helpful assistant."},
12        {"role": "user", "content": "Hello, how are you?"}
13    ],
14    max_tokens=131072,
15    temperature=0.7
16)
17
18print(response.choices[0].message.content)

Info

Provider
Z.ai
Quantization
fp8

Supported Functionality

Context Length
1M
Max Output
128K
Serverless
Supported
Function Calling
Supported
Structured Output
Supported
Reasoning
Supported
Anthropic API
Supported
Input Capabilities
text, image, video
Output Capabilities
text

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