When an Assistant Refuses to Answer: My Wrong Turn and What Claude 4.1 Opus Taught Me About Hallucination Reduction

https://seo.edu.rs/blog/claude-4-6-vs-gpt-5-2-hallucination-comparison-anthropic-vs-openai-accuracy-in-frontier-model-benchmarks-11096

When a Confident Answer Led Me Down a Dead End Late one night I was testing a new search flow that sent complex factual queries to Claude 4.1 Opus. I asked about a specific statute citation that a client had claimed applied to their case