San Francisco
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PERPLEXITY AI

San Francisco, United States

applicationsFounded 202285 employees

About

AI-powered answer engine providing direct answers with citations using advanced language models.

Recent News

Nature Health calls for clearer decision authority in medical AI

On July 29, 2026 Nature Health published a comment by ByteDance scientist Yu Gu and Eric Topol arguing that health AI systems should be regulated based on how much they can influence individual health decisions. The authors warn that as AI is used both inside and outside clinics, oversight must track where real decision authority effectively sits.

Jul 29Nature Health
Nvidia, Microsoft and Meta push US to back open-weight AI models

Nvidia, Microsoft and Meta push US to back open-weight AI models

On July 24, 25 major tech firms including Nvidia, Microsoft, Meta, IBM, Dell, Palantir and Hugging Face sent a policy letter urging the US government not to impose premature restrictions on open-weight AI models. Indian Express, China Daily and others reported the campaign on July 25, highlighting arguments that open-weight systems boost competition, security and US AI leadership.([indianexpress.com](https://indianexpress.com/article/technology/artificial-intelligence/nvidia-microsoft-meta-push-for-open-weight-ai-10803122/))

Jul 25The Indian Express
Google AI Overviews and Perplexity face German media law clampdown

Google AI Overviews and Perplexity face German media law clampdown

Germany’s state media authority ZAK issued its first decisions against Google’s AI Overviews and Perplexity’s AI news/chatbot services on July 14, 2026, treating their outputs as original media content. Reuters and other outlets report the regulator will apply German media law to these AI services, following a Munich court ruling that held Google liable for false AI Overview answers.

Jul 14Die Medienanstalten (ZAK)

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