Social media platform Reddit sued the artificial intelligence company Perplexity AI and three other entities on Wednesday, alleging their involvement in an “industrial-scale, unlawful” economy to “scrape” the comments of millions of Reddit users for commercial gain.

Reddit's lawsuit in a New York federal court takes aim at San Francisco-based Perplexity, maker of an AI chatbot and “answer engine” that competes with Google, ChatGPT and others in online search.

Also named in the lawsuit are Lithuanian data-scraping company Oxylabs UAB, a web domain called AWMProxy that Reddit describes as a “former Russian botnet,” and Texas-based startup SerpApi, which lists Perplexity as a customer on its website.

It's the second such lawsuit from Reddit since it sued another major AI company, Anthropic

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