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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. Perplexity AI is an AI-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 the company's ...
The most commonly used measure of a language model's performance is its perplexity on a given text corpus. Perplexity is a measure of how well a model is able to predict the contents of a dataset; the higher the likelihood the model assigns to the dataset, the lower the perplexity.
And Srinivas’ Perplexity AI orchestra has played a promising first movement. The AI search startup last week announced that it had raised $73.6 million in a funding round led by IVP and ...
Of course, even Perplexity does hit a $1 billion valuation, it has a long way to go to truly challenge Google, which has enormous resources and AI talent at its disposal—and whose parent ...
Another pathway is being tested by Perplexity, an AI-driven search engine, which recently launched a revenue-sharing program. This is not without precedent. In 2006, when YouTube was still in its ...
Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems.It is a field of research in computer science that develops and studies methods and software that enable machines to perceive their environment and use learning and intelligence to take actions that maximize their chances of achieving defined goals. [1]
Perplexity has nailed the details: Its user interface has character but is ruthlessly simple. When you arrive on its search page, your cursor immediately gets put in the search box.