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LLM web search capabilities analyzed, showing accuracy gains but confidence calibration issues

A new research paper from Sahil Kale analyzes the internal web search capabilities of modern large language models. The study found that while enabling retrieval significantly improves accuracy on factual queries, it degrades confidence calibration. Models frequently invoke retrieval for up-to-date information but struggle with query formulation and source selection, rarely achieving over 70% accuracy. The research suggests that current internal web retrieval functions well as a low-latency verification tool but is not yet a reliable information retrieval pipeline, indicating a need for improvements in triggering, query formulation, and confidence calibration. AI

IMPACT Highlights limitations in current LLM web retrieval, suggesting areas for improvement in accuracy and confidence calibration for real-time information access.

RANK_REASON Research paper analyzing LLM capabilities. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.AI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

LLM web search capabilities analyzed, showing accuracy gains but confidence calibration issues

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Research paper analyzing LLM capabilities. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.AI TIER_1 English(EN) · Sahil Kale ·

    Look It Up: Analysing Internal Web Search Capabilities of Modern LLMs

    arXiv:2511.18931v2 Announce Type: replace-cross Abstract: Modern large language models increasingly integrate internal web-based retrieval to provide real-time answers, yet it remains unclear how effectively these systems identify information need, trigger retrieval, and use retr…