LangChain

LangChain is a developer framework, not a finished analytics product. It provides primitives for chaining LLM calls, connecting to tools and databases, and building agents that can take multi-step actions. You can use it to build an analytics agent, but doing so requires engineering work: you write the context layer, the tool definitions, the SQL execution logic, and the evaluation harness yourself. LangSmith, a companion product, provides partial evaluation capability. There is no out-of-the-box data governance or dbt integration.