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Perplexity AI, Inc. Perplexity AI is an AI chatbot -powered research and conversational search engine that answers queries using natural language predictive text. Launched in 2022, Perplexity generates answers using sources from the web and cites links within the text response. [ 2] Perplexity works on a freemium model; the free product uses ...
Like a number of AI startups, Perplexity has managed to raise money in a tough environment. In 2023, $170.6 billion was invested across venture—that marks a decline of $71.6 billion from 2022 ...
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 ...
In natural language processing, latent Dirichlet allocation ( LDA) is a Bayesian network (and, therefore, a generative statistical model) for modeling automatically extracted topics in textual corpora. The LDA is an example of a Bayesian topic model. In this, observations (e.g., words) are collected into documents, and each word's presence is ...
Perplexity offers 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, Google's Gemini, or the venture ...
The Mountain View, California, company also maintains that competition is just a few clicks away, with consumers still free to go to other options, such as Microsoft's Bing, DuckDuckGo and, more recently, AI-powered alternatives such as Perplexity and ChatGPT.
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 ...
(Reuters) -Japanese technology investor SoftBank Group Corp's Vision Fund 2 is investing between $10 million and $20 million in U.S. search startup Perplexity AI at a valuation of $3 billion ...
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