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OpenAI: GPT-5.4 (batch): AI model

Context window:
1,050,000 tokens
Input:
$1.25/1M tokens
Output:
$7.5/1M tokens
Type:
text, image
  • Vision
  • Tools
  • Streaming
  • Long context

Thinking levels: xhigh · high · medium · low · none

OpenAI: GPT-5.4 (batch) is a AI model from OpenAI, available through Hormouz via an OpenAI-compatible API with stable access from inside Iran.

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.4:batch",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorOpenAI
TypeText, Image
Context window1,050,000 tokens
Pricing$1.25/M in · $7.50/M out
APIChat Completions
CapabilitiesStreaming · Vision · Tools

Benchmarks

71.1
Coding Index
Better than 82% of models we compared

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
92%
HLE
Humanity's Last Exam
43.7%
IFBench
Instruction-following
73.9%
AA-LCR
Long-context reasoning
82%
CritPt
Research-level physics reasoning
23.4%
AA Omniscience
Broad factual knowledge accuracy
50.8%
Non-Hallucination
Rate of avoiding fabricated answers
8.3%

Coding

Terminal-Bench Hard
Agentic coding & terminal use
57.6%

Agentic

τ²-Bench
Tool-use agents in dual-control scenarios
87.1%
GDPval
Economically valuable tasks
37.4%

Source: Artificial Analysis

Design Arena

How Design Arena works ↗

Ranking distribution

First
2,468
Second
3,253
Third
0
Fourth
0

5721 tournaments ?

3D
Top 64%
1,112Elo
Win rate: 42.3%Avg time: 196s
ASCII Art
Top 29%
1,210Elo
Win rate: 55.4%Avg time: 68.6s
Code
Top 34%
1,216Elo
Win rate: 52.7%Avg time: 166s
Data Viz
Top 27%
1,243Elo
Win rate: 56.6%Avg time: 157s
Game Dev
Top 24%
1,251Elo
Win rate: 57.6%Avg time: 203s
SVG
Top 28%
1,194Elo
Win rate: 57.8%Avg time: 65.0s
UI Component
Top 28%
1,247Elo
Win rate: 57.4%Avg time: 117s
Website
Top 35%
1,222Elo
Win rate: 52.7%Avg time: 158s
Android Native
Top 97%
1,046Elo
Win rate: 47.4%
Full-Stack
Top 91%
1,016Elo
Win rate: 40.9%
Godot Game Dev
Top 69%
1,135Elo
Win rate: 46.9%
Mobile Apps
Top 93%
1,084Elo
Win rate: 46.1%
Web Apps
Top 90%
1,052Elo
Win rate: 40.3%

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": "openai/gpt-5.4: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="openai/gpt-5.4: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: "openai/gpt-5.4:batch",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the OpenAI: GPT-5.4 (batch) API, paid in rial

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Updated 2026-10-13