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langchain-ai/langchain

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langchain-ai/langchain

langchain-ai/langchain

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langchain-core==1.2.13

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Published 2/15/2026

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Changes since langchain-core==1.2.12

release(core): 1.2.13 (#35230) docs(core): expanded get_lc_namespace docstring (#35229) feat(openrouter): add langchain-openrouter provider package (#35211) style: bump ruff version to 0.15 (#35042)

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langchain-ai/langchain

The agent engineering platform

https://docs.langchain.com/langchain/

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Version langchain-core==1.2.26is out. See relase notes.

langchain-core==1.2.13

release notes

Published 2/15/2026

Release notes

Changes since langchain-core==1.2.12

release(core): 1.2.13 (#35230) docs(core): expanded get_lc_namespace docstring (#35229) feat(openrouter): add langchain-openrouter provider package (#35211) style: bump ruff version to 0.15 (#35042)

langchain-ai/langchain

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langchain-ai/langchain

The agent engineering platform

https://docs.langchain.com/langchain/

agentsaiai-agentsanthropicchatgptdeepagentsenterpriseframeworkgeminigenerative-ailangchainlanggraphllmmultiagentopen-sourceopenaipydanticpythonrag

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