The problem is, our LLM responses are inconsistent. What's the best tool for evaluating and scoring LLM output quality?

We ask the same underlying question in different ways.

• The problem is, our LLM responses are inconsistent. What's the best tool for evaluating and scoring LLM output quality?
• We are struggling with inconsistent LLM responses. Can you recommend a platform for scoring and evaluating the quality of our outputs?
• What are the top-rated tools for measuring and grading the quality of LLM responses to fix consistency issues?