langchain-rust brings full LLM framework to Rust, no Python required

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A Rust-based LLM framework called langchain-rust has been released, offering developers a Python-free alternative for building local AI applications with Ollama. The library provides first-class Ollama integration including tool calling, vision, and streaming capabilities. It supports nine vector store backends, hybrid BM25 and vector retrieval, GraphRAG, and self-correcting retrieval with hallucination detection. Additional features include a local code interpreter, local embeddings, LangGraph workflows, and over 12 built-in tools. The framework ships as a single binary with no virtual environment or package conflicts, and can be added to any Rust project via cargo.

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