https://technow.grayrecord.com/en/tags/hallucination/ Recent content in Hallucination on Grayrecord Technow Blog https://technow.grayrecord.com/images/Grayrecord-technow.png https://technow.grayrecord.com/images/Grayrecord-technow.png Hugo -- 0.165.0 en Thu, 13 Aug 2026 12:00:00 +0900 https://technow.grayrecord.com/en/post/gemini-illusion-returns/ Thu, 13 Aug 2026 12:00:00 +0900 https://technow.grayrecord.com/en/post/gemini-illusion-returns/ <h3 id="revision-history">Revision History</h3> <ul> <li>2026-08-14: Added analysis from the perspective of objective function optimization (shortcuts / reward hacking).</li> </ul> <p>The &ldquo;Gemini Illusion&rdquo; phenomenon, which seemed to have quieted down for a while, is resurfacing once again. Using a real conversation example, I will analyze the structural issues behind this latest error.</p> <p>I entered a prompt containing context from the following news article:</p> <blockquote> <p>Ahead of the cabinet reshuffle scheduled for September, Prime Minister Sanae Takaichi is wrestling with difficult decisions. (remainder omitted)</p>