# Use Hanzo AI with OpenAI Python SDK — Hanzo AI

> Use the official OpenAI Python SDK with Hanzo AI by pointing it to our OpenAI-compatible API endpoint. Access 500+ models with your existing OpenAI code — no refactor needed.

[Integrations](https://hanzo.ai/integrations)/OpenAI Python SDK

🐍AI SDKs

# Use Hanzo AI with OpenAI Python SDK

Use the official OpenAI Python SDK with Hanzo AI by pointing it to our OpenAI-compatible API endpoint. Access 500+ models with your existing OpenAI code — no refactor needed.

Base URL: `https://api.hanzo.ai/v1`

API Key: Get yours at [hanzo.ai/signup](https://hanzo.ai/signup) · Fully OpenAI-compatible · 500+ models available

🐍

Created by [OpenAI](https://openai.com)

License: MIT · [View source on GitHub →](https://github.com/openai/openai-python)

Hanzo AI is OpenAI-compatible, so existing OpenAI Python SDK code works with zero refactoring. We deeply appreciate the OpenAI team for building and maintaining this open-source project.

## Install & configure

python

```
pip install openai from openai import OpenAI client = OpenAI( api_key="your-hanzo-api-key", base_url="https://api.hanzo.ai/v1", ) response = client.chat.completions.create( model="zen4-pro", messages=[{"role": "user", "content": "Hello!"}], ) print(response.choices[0].message.content)
```

## Streaming

python

```
stream = client.chat.completions.create( model="openai/gpt-4.1", messages=[{"role": "user", "content": "Write a haiku"}], stream=True, ) for chunk in stream: print(chunk.choices[0].delta.content or "", end="")
```

## Vision model

python

```
response = client.chat.completions.create( model="google/gemini-2.0-flash", messages=[{ "role": "user", "content": [ {"type": "text", "text": "What is in this image?"}, {"type": "image_url", "image_url": {"url": "https://example.com/img.png"}}, ], }], )
```

## Environment variable

bash

```
export HANZO_API_KEY="your-hanzo-api-key" export OPENAI_API_KEY="$HANZO_API_KEY" export OPENAI_BASE_URL="https://api.hanzo.ai/v1"
```

## Ready to get started?

Create a free account and get your API key. 100K API calls/month free forever.

[Get API Key — Free](https://hanzo.ai/signup)[Browse Models](https://hanzo.ai/models)

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