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This benchmark exposes a critical vulnerability in autonomous AI agents, demonstrating their current inability to reject pseudoscientific premises even when tasked with rigorous research pipelines. The findings highlight that higher model sophistication can inadvertently amplify the credibility of misinformation by wrapping false claims in more complex scientific language, necessitating urgent alignment protocols before widespread deployment.
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PseudoBench: Measuring How Agentic Auto-Research Fuels Pseudoscience

arXiv2 min read

arXiv:2606.18060v2 Announce Type: replace Abstract: As Large Language Model based agents enter autonomous scientific research, their ability to resist pseudoscience becomes increasingly important. Otherwise, such systems may rapidly generate plausible yet misleading studies that contaminate academic literature and erode trust in science. We present PseudoBench, an adversarial benchmark for evaluating whether agentic auto-research systems can identify and resist pseudoscientific narratives. PseudoBench contains 200 curated pseudoscientific claim-evidence pairs across five domains and evaluates agents through an end-to-end research pipeline from experiments to writing. Testing seven state-of-the-art agents, we find that current systems readily produce persuasive reports that align with pseudoscientific premises with near-zero refusal rates and the highest resistance of only 27.4%. Stronger agents risk packaging pseudoscience in more sophisticated scientific language, increasing its apparent credibility. These findings reveal an alarming capacity to fuel pseudoscience, calling for scientific alignment before widespread deployment.

Abstract:As Large Language Model based agents enter autonomous scientific research, their ability to resist pseudoscience becomes increasingly important. Otherwise, such systems may rapidly generate plausible yet misleading studies that contaminate academic literature and erode trust in science. We present PseudoBench, an adversarial benchmark for evaluating whether agentic auto-research systems can identify and resist pseudoscientific narratives. PseudoBench contains 200 curated pseudoscientific claim-evidence pairs across five domains and evaluates agents through an end-to-end research pipeline from experiments to writing. Testing seven state-of-the-art agents, we find that current systems readily produce persuasive reports that align with pseudoscientific premises with near-zero refusal rates and the highest resistance of only 27.4%. Stronger agents risk packaging pseudoscience in more sophisticated scientific language, increasing its apparent credibility. These findings reveal an alarming capacity to fuel pseudoscience, calling for scientific alignment before widespread deployment.

Artificial Intelligence (cs.AI); Computation and Language (cs.CL)

arXiv:2606.18060 [cs.AI]

(or arXiv:2606.18060v2 [cs.AI] for this version)

https://doi.org/10.48550/arXiv.2606.18060 Focus to learn more arXiv-issued DOI via DataCite

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Full text under the publisher's open licence · 232 words

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