langchain-openai

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Looking for the JS/TS version? Check out LangChain.js.

Quick Install

uv add langchain-openai

🤔 What is this?

This package contains the LangChain integrations for OpenAI through their openai SDK.

📖 Documentation

For full documentation, see the API reference. For conceptual guides, tutorials, and examples on using these classes, see the LangChain Docs.

📕 Releases & Versioning

See our Releases and Versioning policies.

💁 Contributing

As an open-source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of a new feature, improved infrastructure, or better documentation.

For detailed information on how to contribute, see the Contributing Guide.

Resources

  • LangChain Academy — comprehensive, free courses on LangChain libraries and products, made by the LangChain team
  • Code of Conduct — community guidelines and standards

Project links

Data verified by PyPI on Aug 7, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

PyPI data
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  • Released:
Newer release available (1.5.1)

1 maintainer

PyPI data
Data sourced directly from PyPI's database.
Avatar for langchain from gravatar.com langchain

GitHub Statistics

Data verified by PyPI on Aug 7, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

MIT License (MIT)

Requires

Python <4.0.0, >=3.10.0

Classifiers

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Release history Release notifications | RSS feed

1.5.1

1.5.0

1.4.3

This release

1.4.2

1.4.1

1.4.0

1.3.5

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0.4.0.dev0 pre-release

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0.2.0.dev1 pre-release

0.2.0.dev0 pre-release

0.1.25

0.1.24

0.1.23

0.1.22

0.1.21 yanked

Reason this release was yanked:

Regression. AzureChatOpenAI json-mode broken. Fixed in 0.1.22.

0.1.21rc2 pre-release

0.1.21rc1 pre-release

0.1.20

0.1.19

0.1.17

0.1.16

0.1.15

0.1.14

0.1.13

0.1.12

0.1.11

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0.1.8

0.1.8rc1 pre-release

0.1.7

0.1.6

0.1.5

0.1.4

0.1.3

0.1.3rc1 pre-release

0.1.2

0.1.1

0.1.0 yanked

Reason this release was yanked:

Contained a regression that prevented passing ToolMessage in the input to ChatOpenAI, fixed in 0.1.1

0.0.8

0.0.8rc1 pre-release

0.0.7

0.0.6

0.0.5

0.0.4

0.0.3

0.0.2.post1

0.0.2

0.0.1 yanked

Reason this release was yanked:

need new core release

0.0.1rc1 pre-release

0.0.1rc0 pre-release

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