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I Tracked Every AI Hallucination for a Week — The Numbers Were Worse Than I Thought (1790134007558)

This story is from 2026-09-23. It is preserved in the archive; the latest stories are on the live feed.

Last week I ran an experiment. Every time my AI agent generated an output, I verified it manually and logged whether it was correct. The results were embarrassing. Out of 200 outputs across Claude, GPT, and DeepSeek: 36 were confidently wrong (18%) 12 fabricated citations or references 8 tried to u…

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  1. 2026-09-23 03:26 · DEV Community — AI
    I Tracked Every AI Hallucination for a Week — The Numbers Were Worse Than I Thought (1790134007558)

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