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Openai Python

Openai Python is an open-source Python SDK for accessing the OpenAI REST API from Python 3.10+ applications. It provides synchronous and asynchronous clients, typed request-parameter and response-field definitions, and is generated from OpenAI’s OpenAPI specification.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Openai Python — OpenViST project profile in AI Developer Tools & SDKs.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when a Python 3.10+ application needs a supported client library for OpenAI REST API calls and benefits from sync or async interfaces, type definitions, or the documented authentication approaches.

Who it is for

  • Python developers integrating OpenAI API requests into applications.
  • Teams choosing between synchronous and asynchronous API calls.
  • Developers using typed API definitions or documented API-key and workload-identity authentication patterns.

Documented uses

  • Install a Python REST API client from PyPI.
  • Make synchronous or asynchronous requests to OpenAI API endpoints, including the documented Responses and Chat Completions examples.
  • Handle streamed responses and documented API tasks such as file uploads and fine-tuning job pagination.
  • Use typed request and response definitions in Python application code.
Before you choose

Requirements & limits

The library is installed from PyPI; the documented standard client setup uses an OpenAI API key. The repository specifies the Apache-2.0 license.

  • Requires Python 3.10 or later.
  • The default async transport is HTTPX2; aiohttp is documented as an optional transport.
  • API access requires configuring authentication, such as an API key or an applicable workload identity setup.
  • The SDK is generated from the OpenAPI specification and provides typed request and response definitions.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install the SDK and prepare an API key

Set up the documented Python package and authentication variable before making an API call.

Before you start

  • Python 3.10 or later
  • An OpenAI API key

Steps

  1. Install the package from PyPI with the command below.

    Documented command
    pip install openai

  2. Set OPENAI_API_KEY in the application environment; the README recommends keeping the key outside source control.

  3. Consult the API reference and the library's api.md for request details.

Expected outcome

The Python environment has the SDK installed and the documented API-key variable prepared for client use.

Guide limitations

  • This covers installation and credential preparation, not a verified API request.
  • API reference and library API documentation are separate from the SDK installation.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
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Sources checked
13 October 2026
Original website title
openai/openai-python · Official homepage title · retained in its source language
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