StringEvaluator()Recursively generate a dictionary representation of the model, optionally specifying which fields to include or exclude.
Generates a JSON string representing this model as it would be received from or sent to the API (but with indentation).
Grades the run's string input, output, and optional answer.
.. deprecated:: 0.5.0
StringEvaluator is deprecated. Use openevals instead: https://github.com/langchain-ai/openevals