How much does o3 Mini cost?

Billing is usage-based: $1.1 per million input tokens and $4.4 per million output tokens. There is no fixed monthly fee. You pay only for what you use, and current rates are shown in the Hormouz dashboard.

How do I access o3 Mini from inside Iran?

Create an account on Hormouz and generate an API key. Hormouz provides a stable path to o3 Mini from inside Iran, with no foreign credit card or circumvention tooling required.

Is o3 Mini compatible with OpenAI code?

Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and chat-completions code run without a rewrite.

What context window and capabilities does o3 Mini have?

o3 Mini supports a context window of up to 200K tokens. It also supports tool calling and step-by-step reasoning. That makes it a good fit for cost-aware STEM reasoning, coding and math where you want to tune the amount of thinking per request.

What is o3 Mini good for?

o3 Mini works well for cost-aware STEM reasoning, coding and math where you want to tune the amount of thinking per request.

What is o3 Mini's knowledge cutoff?

o3 Mini's training data runs through Oct 2023. For information newer than that, provide the relevant context in your prompt or connect a tool that fetches live data.

OpenAI: o3 Mini: AI model

o3 Mini is an OpenAI model. A cost-efficient reasoning model for STEM with adjustable reasoning effort, with up to 200K-token context. Reachable from inside Iran through Hormouz.

Context window:: 200,000 tokens
Input:: $1.1/1M tokens
Output:: $4.4/1M tokens
Type:: text

Tools
Streaming
Long context

Thinking levels:

o3 Mini is a cost-efficient reasoning model for STEM with adjustable reasoning effort. o3 Mini is a cost-efficient reasoning model optimized for STEM tasks in science, mathematics and coding. It supports a reasoning_effort parameter with three levels and offers function calling, structured outputs and streaming, though it has no vision input. It supports a context window of up to 200K tokens, with training data through Oct 2023.

o3 Mini is served through Hormouz behind an OpenAI-compatible API. It supports tool calling and step-by-step reasoning. Point your base URL at Hormouz and drop in a Hormouz key, and existing OpenAI SDK code runs unchanged.

Pricing is usage-based: $1.1 per million input tokens and $4.4 per million output tokens. Hormouz provides stable access to the model from inside Iran, with no foreign credit card or circumvention tooling required.

OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the reasoning_effort parameter, which can be set to...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/o3-mini",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

Vendor	OpenAI
Type	Text
Context window	200,000 tokens
Pricing	$1.10/M in · $4.40/M out
API	Chat Completions
Capabilities	Streaming · Tools

Benchmarks

Reasoning

GPQA Diamond

Graduate-level scientific reasoning

74.8%

HLE

Humanity's Last Exam

7.9%

Coding

Terminal-Bench Hard

Agentic coding & terminal use

6.8%

Agentic

τ²-Bench

Tool-use agents in dual-control scenarios

28.7%

Source: Artificial Analysis

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/o3-mini",
    "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/o3-mini",
    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/o3-mini",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the OpenAI: o3 Mini API, paid in rial

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FAQ

How much does o3 Mini cost?: Billing is usage-based: $1.1 per million input tokens and $4.4 per million output tokens. There is no fixed monthly fee. You pay only for what you use, and current rates are shown in the Hormouz dashboard.
How do I access o3 Mini from inside Iran?: Create an account on Hormouz and generate an API key. Hormouz provides a stable path to o3 Mini from inside Iran, with no foreign credit card or circumvention tooling required.
Is o3 Mini compatible with OpenAI code?: Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and chat-completions code run without a rewrite.
What context window and capabilities does o3 Mini have?: o3 Mini supports a context window of up to 200K tokens. It also supports tool calling and step-by-step reasoning. That makes it a good fit for cost-aware STEM reasoning, coding and math where you want to tune the amount of thinking per request.
What is o3 Mini good for?: o3 Mini works well for cost-aware STEM reasoning, coding and math where you want to tune the amount of thinking per request.
What is o3 Mini's knowledge cutoff?: o3 Mini's training data runs through Oct 2023. For information newer than that, provide the relevant context in your prompt or connect a tool that fetches live data.

Updated 2026-10-13