AI hallucination—the generation of factually incorrect or nonsensical...
https://quebeck-wiki.win/index.php/Will_Claude_Sonnet_4.5%E2%80%99s_48%25_refusal-vs-hallucination_tradeoff_flip_by_March_2026%3F_A_practical_comparison_of_options
AI hallucination—the generation of factually incorrect or nonsensical outputs—remains a critical challenge in deploying language models reliably