Open Source, Llamaindex, Gpt 4, Llm, OpenAI.
gpt4_relevancy_evaluator = RelevancyEvaluator( service_context=gpt4_service_context, eval_template=prometheus_relevancy_eval_prompt_template, refine_template=prometheus_relevancy_refine_prompt_template, ) # create a dictionary of evaluators prometheus_evaluators = { "correctness":