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

Context window:
1,048,576 tokens
Input:
$0.45/1M tokens
Output:
$2/1M tokens
Type:
text
  • Tools
  • Streaming
  • Long context

Thinking levels: Always thinks · max · high · low

Z.ai: GLM 5.3 (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 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...

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:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorZ.ai
TypeText
Context window1,048,576 tokens
Pricing$0.45/M in · $2.00/M out
APIChat Completions
CapabilitiesStreaming · Tools

Benchmarks

44.8
Intelligence Index
Better than 87% of models we compared
74.8
Coding Index
Better than 90% of models we compared
53.1
Agentic Index
Better than 96% of models we compared

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
91.7%
HLE
Humanity's Last Exam
42.3%
AA-LCR
Long-context reasoning
79.7%
CritPt
Research-level physics reasoning
19.1%
AA Omniscience
Broad factual knowledge accuracy
33.9%
Non-Hallucination
Rate of avoiding fabricated answers
70.4%

Coding

SciCode
Python for scientific computing
59%

Agentic

GDPval
Economically valuable tasks
57.6%

Source: Artificial Analysis

Design Arena

How Design Arena works ↗

Ranking distribution

First
699
Second
689
Third
10
Fourth
13

1411 tournaments ?

3D
Top 4%
1,367Elo
Win rate: 65.9%Avg time: 551s
ASCII Art
Top 27%
1,216Elo
Win rate: 46.3%Avg time: 479s
Code
Top 7%
1,317Elo
Win rate: 55.7%Avg time: 438s
Data Viz
Top 16%
1,276Elo
Win rate: 53.5%Avg time: 372s
Game Dev
Top 6%
1,334Elo
Win rate: 54.6%Avg time: 579s
SVG
Top 8%
1,298Elo
Win rate: 57.3%Avg time: 280s
UI Component
Top 7%
1,326Elo
Win rate: 57.9%Avg time: 362s
Website
Top 7%
1,308Elo
Win rate: 55%Avg time: 379s
HTML Slides
Top 39%
1,189Elo
Win rate: 39.1%
Mobile Apps
Top 39%
1,192Elo
Win rate: 52.9%
Python Slides
Top 22%
1,255Elo
Win rate: 51.2%

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: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: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:batch",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

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Updated 2026-10-13