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flag CEOs of AI rivals OpenAI and Perplexity AI praise competition as their chat tools battle for users.

flag OpenAI CEO Sam Altman praised the rivalry between his company's ChatGPT and Perplexity AI's new Deep Research tool, led by its CEO Aravind Srinivas. flag While ChatGPT offers in-depth research reports, Perplexity's tool aims to be faster and more affordable, providing 500 daily queries for $20 a month, compared to ChatGPT's 100 queries for Pro users.

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