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Europe 2026

Your Agent's Biggest Lie: \"I Searched the Web\" — Rafael Levi, Bright Data

Rafael Levi , Bright Data

Overview

This talk addresses the common issue of Large Language Models (LLMs) fabricating information, particularly when attempting to access real-time web data. The core problem stems from LLMs being programmed to please users, leading them to generate plausible but incorrect answers rather than admitting they cannot fulfill a request. This is exacerbated by increasing web-based anti-bot measures, such as CAPTCHAs and AI-detection systems, which prevent LLMs from accessing accurate, up-to-date information.

Who should watch

Key takeaways

Notable quotes

*LLMs are programmed to please people, please users. So they make enough things and this is the biggest issue right now I'm seeing with LLMs.*
*The invisible failure group, right? There's no error, no warning, just the wrong answer.*
*The easiest fix for this is just to make sure that your agent doesn't get blocked.*

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Unofficial community note. Prefer the recording for nuance.