Each row below is a real error an AI made when answering a question about IPBigMarket.com itself, taken from a sealed BigAIArena Comparison. Two AIs answered the same question; the row records what the failing AI did, what it said word for word, and what the other AI got right on the same question. A different AI re-checked every row against the original transcript before it was published.
Four types: Hallucination (states what the page does not contain, or denies a real source) · Sycophancy (bends toward the asker beyond the evidence) · Access (could not open the page, or answered from elsewhere) · Citation (no usable source, or a wrong one).
Link to one row: add the code after #, for example https://ipbigmarket.com/ai-weak-points/#BAA-C113-P1-Q4. One AI only: https://ipbigmarket.com/ai-weak-points/gemini/.
Gemini gave the right row count and static table but invented the Entry_ID IPBM-MP01-EX-20260420-001 with a title; the page shows IPBM-MP04-IN-20260501-001.
What the AI said““IPBM-MP01-EX-20260420-001 (Title/Context: Intellectual Property Market Framework / Monetization node initialization)””
Gemini took the false premise and said the latest match is #C078, Gemini vs ChatGPT, 65 / 85; the page lists #094 (2026-10-17), Grok · Copilot 100 / 45.
Gemini gave row BAA-C119-P2-Q5 and said Perplexity “named #028 and scored 15/15”; that row says Perplexity could not open the page, and Gemini’s link was a Google Search wrapper.
What the AI said““Perplexity named Match #028 (not #110) when rejecting the false premise.””
Gemini invented a pillar IPBM-01 result, “Max latency <= 120ms / Data loss rate = 0.00%”, and linked /ip-pillars/; the pillar page is /tru-ip/ and records one insight.
What the AI said““Result / Limit: Max latency <= 120ms / Data loss rate = 0.00%””
Gemini invented the evidence scope of IPBM-01 (“zero data loss”); the page says the entry is in the RealDataset and is an insight, not a completed transaction.
What the AI said““bounded by the core IPBM metric baseline requiring zero data loss under continuous scraping load””