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Z.ai: GLM 5.3 Flash (batch): AI model

Context window:
1,048,576 tokens
Input:
$0.06/1M tokens
Output:
$0.2/1M tokens
Type:
text, image, video
  • Vision
  • Tools
  • Streaming
  • Long context

Thinking levels: Always thinks · max · high · low

Z.ai: GLM 5.3 Flash (batch) is a AI model from Z.ai, available through Hormouz via an OpenAI-compatible API with stable access from inside Iran.

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...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-5.3-flash:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorZ.ai
TypeText, Image, Video
Context window1,048,576 tokens
Pricing$0.06/M in · $0.20/M out
APIChat Completions
CapabilitiesStreaming · Vision · Tools

Benchmarks

41.8
Intelligence Index
Better than 82% of models we compared
71.5
Coding Index
Better than 84% of models we compared
50.9
Agentic Index
Better than 93% of models we compared

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
91.2%
HLE
Humanity's Last Exam
39.9%
AA-LCR
Long-context reasoning
80%
CritPt
Research-level physics reasoning
15.4%
AA Omniscience
Broad factual knowledge accuracy
27.5%
Non-Hallucination
Rate of avoiding fabricated answers
72.4%

Coding

SciCode
Python for scientific computing
51.6%

Agentic

GDPval
Economically valuable tasks
57.3%

Source: Artificial Analysis

3D
Top 9%
1,328Elo
Win rate: 56.8%Avg time: 520s
ASCII Art
Top 15%
1,276Elo
Win rate: 54.8%Avg time: 456s
Code
Top 13%
1,289Elo
Win rate: 49.5%Avg time: 404s
Data Viz
Top 18%
1,272Elo
Win rate: 50.5%Avg time: 397s
Game Dev
Top 12%
1,294Elo
Win rate: 47.2%Avg time: 642s
SVG
Top 8%
1,290Elo
Win rate: 57.1%Avg time: 205s
UI Component
Top 8%
1,325Elo
Win rate: 55%Avg time: 321s
Website
Top 15%
1,280Elo
Win rate: 48.5%Avg time: 335s

Metrics sourced from Design Arena

Code example

cURL
curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-5.3-flash:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="z-ai/glm-5.3-flash:batch",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
JavaScript
import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "z-ai/glm-5.3-flash:batch",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

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Updated 2026-10-13