Slide 15
Slide 15 text
AI hallucinations spring from their
fundamental construction
— Dilek Hakkani-Tür (CS Professor / Principal Scientist Alexa AI)
“
LLMs will inevitably hallucinate if
used as general problem solvers
— Z. Xu, S. Jain, M. Kankanhalli (2025) Hallucination is Inevitable
“
7~10 %
about
1 out of 12
HALLUCINATION RATE
Calibration—and, hence, errors—is
a natural consequence
— A. T. Kalai, O. Nachum, S. S. Vempala, E. Zhang (OpenAI)
“
Vectara, 5 Feb 2026
7.8 %
Gemini 2.5 Flash
10.8 %
ChatGPT 5.2 High
10.9 %
Claude Opus 4.5
7.0 %
Gemini 2.5 Pro