LLM-as-a-judge

AI named LLM-as-a-judge from November 2025 to July 2026.

LLM-as-a-judge in AI’s own words

Question: We need to make sure our LLM's responses are factually correct. What is the best fact-checking API or framework for LLM outputs?

Google AI ModeJul 9, 2026

LLM-as-a-Judge: A popular evaluation method using a more capable model (like GPT-4) to rate the outputs of a target model for correctness, relevance, and hallucination.

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Question: My goal is to understand why my RAG system picked certain documents. What's the best tool for visualizing retrieval scores and relevance?

Google AI ModeJun 24, 2026

LLM-as-a-Judge: Use a stronger LLM to analyze the retrieved context against the query and generate a "relevance score" to visualize why a document was selected.

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Markets

LLM Observability and Evaluation Platforms
LLM Agent Frameworks and Tooling