Open sourceOpen-source releaseLarge Language Models · Evaluation & Benchmarks1 source · Oct 12, 2026

langchain-ai/langchain langchain==1.4.5

feat(langchain): accept summarizer in SummarizationMiddleware (#41225)

LangChain
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Extractive summary: sentences quoted from the sources.

Before this

  1. Oct 12, 2026langchain-ai/langchain langchain-anthropic==1.7.6
  2. Oct 12, 2026langchain-ai/langchain langchain-openai==1.7.1
  3. Oct 12, 2026langchain-ai/langchain langchain-core==1.6.10
  4. Oct 10, 2026[AINews] TypeSafe/Jev at >$100M ARR, $7.5B valuation 3 weeks after launch

Related

GitHub: langchain-ai/langchain5d ago

langchain-ai/langchain langchain-core==1.6.9

Code
GitHub: langchain-ai/langchain5d ago

langchain-ai/langchain langchain==1.4.4

Code
GitHub: langchain-ai/langchain14d ago

langchain-ai/langchain langchain-core==1.6.6

Code
GitHub: langchain-ai/langgraph7d ago

langchain-ai/langgraph 1.2.14: langgraph==1.2.14

Code