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OpenAI: GPT-5 (batch): AI model

Context window:
400,000 tokens
Input:
$0.62/1M tokens
Output:
$5/1M tokens
Type:
text, image
  • Vision
  • Tools
  • Streaming
  • Long context

Thinking levels: Always thinks · high · medium · low · minimal

OpenAI: GPT-5 (batch) is a AI model from OpenAI, available through Hormouz via an OpenAI-compatible API with stable access from inside Iran.

GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...

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

Specs

VendorOpenAI
TypeText, Image
Context window400,000 tokens
Pricing$0.62/M in · $5.00/M out
APIChat Completions
CapabilitiesStreaming · Vision · Tools

Benchmarks

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
67.3%
HLE
Humanity's Last Exam
6%
IFBench
Instruction-following
45.6%
CritPt
Research-level physics reasoning
0%
AA Omniscience
Broad factual knowledge accuracy
29.6%
Non-Hallucination
Rate of avoiding fabricated answers
9.9%

Coding

Terminal-Bench Hard
Agentic coding & terminal use
18.2%

Agentic

τ²-Bench
Tool-use agents in dual-control scenarios
67%

Source: Artificial Analysis

Design Arena

How Design Arena works ↗
3D
Top 78%
1,066Elo
Win rate: 41.3%Avg time: 117s
ASCII Art
Top 61%
1,151Elo
Win rate: 49%Avg time: 84.6s
Code
Top 55%
1,171Elo
Win rate: 51.8%Avg time: 119s
Data Viz
Top 50%
1,185Elo
Win rate: 50.5%Avg time: 116s
Game Dev
Top 52%
1,167Elo
Win rate: 52.2%Avg time: 137s
SVG
Top 58%
1,127Elo
Win rate: 52%Avg time: 59.7s
UI Component
Top 60%
1,152Elo
Win rate: 49.5%Avg time: 111s
Website
Top 46%
1,191Elo
Win rate: 53.7%Avg time: 117s

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

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Updated 2026-10-13