These docs cover the langchain-classic package. This package will be maintained for security vulnerabilities until December 2026. Users are encouraged to migrate to the langchain package for the latest features and improvements. See docs for langchain
Configuration for a run evaluation.
Configuration for a given run evaluator.
Configuration for a run evaluator that only requires a single key.
A simple progress bar for the console.
Input for a chat model.
Your architecture raised an error.
Raised when the input format is invalid.
A dictionary of the results of a single test run.
Extract items to evaluate from the run object from a chain.
Extract items to evaluate from the run object.
Map an example, or row in the dataset, to the inputs of an evaluation.
Evaluate Run and optional examples.
Extract items to evaluate from the run object.
Map an input to the tool.
