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Perplexity AI is an AI-chatbot-powered research and conversational search engine that answers queries using natural language predictive text. [2] [3] Launched in 2022, Perplexity generates answers using the sources from the web and cites links within the text response. [4]
Perplexity makes money by offering a Pro version for $20 per month that allows users to pick from various large language models, among them OpenAI’s GPT-4, Anthropic’s Claude 2.1, or the ...
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The perplexity is the exponentiation of the entropy, a more straightforward quantity. Entropy measures the expected or "average" number of bits required to encode the outcome of the random variable using an optimal variable-length code. It can also be regarded as the expected information gain from learning the outcome of the random variable ...
Perplexity AI is valued at $520 million. Google’s market cap is nearing $2 trillion. Perplexity’s CEO thinks he can take them on by being better.
Claude. Claude was the initial version of Anthropic's language model released in March 2023, [8] Claude demonstrated proficiency in various tasks but had certain limitations in coding, math, and reasoning capabilities. [9] Anthropic partnered with companies like Notion (productivity software) and Quora (to help develop the Poe chatbot).
San Francisco, California-based Perplexity AI, which raised $25.6 million in March last year in a round led by NEA, said it has served more than 500 million queries in 2023 while spending few ...
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