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LangChain adds explicit prompt caching
langchain-openai 1.3.5 adds explicit prompt caching support and refreshed model profile data; langchain 1.3.13 adds a meta extra for init_chat_model.
langchain-openai 1.3.5 (July 10) adds explicit prompt caching support and refreshed model profile data. The same day, langchain 1.3.13 added a meta extra, enabling langchain-meta support inside init_chat_model.
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1 github.com Releases · langchain-ai/langchain