How to beginner to intermediate · 3 min read

OpenAI Enterprise implementation guide

Quick answer
Use the OpenAI SDK with your Enterprise API key set in os.environ["OPENAI_API_KEY"]. Initialize the client, then call client.chat.completions.create with your chosen model like gpt-4o to integrate OpenAI Enterprise securely and at scale.

PREREQUISITES

  • Python 3.8+
  • OpenAI Enterprise API key
  • pip install openai>=1.0

Setup

Install the official OpenAI Python SDK and set your Enterprise API key as an environment variable for secure authentication.

bash
pip install openai>=1.0
output
Collecting openai
  Downloading openai-1.x.x-py3-none-any.whl (xx kB)
Installing collected packages: openai
Successfully installed openai-1.x.x

Step by step

Initialize the OpenAI client with your Enterprise API key and call the chat completion endpoint using a supported model like gpt-4o. This example sends a prompt and prints the assistant's reply.

python
import os
from openai import OpenAI

client = OpenAI(api_key=os.environ["OPENAI_API_KEY"])

response = client.chat.completions.create(
    model="gpt-4o",
    messages=[{"role": "user", "content": "Hello, how do I implement OpenAI Enterprise?"}]
)

print("Assistant reply:", response.choices[0].message.content)
output
Assistant reply: To implement OpenAI Enterprise, initialize the OpenAI client with your Enterprise API key and use the chat completions endpoint with your desired model.

Common variations

You can use asynchronous calls, streaming responses, or switch models like gpt-4o-mini for cost efficiency. The SDK supports these variations with minimal code changes.

python
import asyncio
import os
from openai import OpenAI

async def main():
    client = OpenAI(api_key=os.environ["OPENAI_API_KEY"])
    
    # Async streaming example
    stream = await client.chat.completions.create(
        model="gpt-4o-mini",
        messages=[{"role": "user", "content": "Stream a response."}],
        stream=True
    )

    async for chunk in stream:
        print(chunk.choices[0].delta.content or "", end="", flush=True)

asyncio.run(main())
output
Streaming response text appears token by token in the console.

Troubleshooting

  • If you get authentication errors, verify your OPENAI_API_KEY environment variable is set correctly for Enterprise.
  • For rate limits, check your Enterprise quota and consider batching requests.
  • Use the latest SDK version to avoid deprecated method errors.

Key Takeaways

  • Set your OpenAI Enterprise API key securely in environment variables before use.
  • Use the official OpenAI Python SDK v1+ with OpenAI client for all API calls.
  • Leverage async and streaming features for efficient, scalable implementations.
  • Monitor and handle rate limits and authentication errors proactively.
  • Choose models like gpt-4o or gpt-4o-mini based on your performance and cost needs.
Verified 2026-04 · gpt-4o, gpt-4o-mini
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