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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 sources from the web and cites links within the text response. [4]
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. 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.
Perplexity is “one of the few consumer AI products to reach this major milestone of 10 million MAUs,” said Jonathan Cohen, VP of applied research at Nvidia, in the January funding announcement ...
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.
Perplexity is “one of the few consumer AI products to reach this major milestone of 10 million MAUs,” said Jonathan Cohen, VP of Applied Research at Nvidia, in the announcement. AI will ...
In the field of artificial intelligence (AI), a hallucination or artificial hallucination (also called bullshitting, [1] confabulation [2] or delusion [3]) is a response generated by AI which contains false or misleading information presented as fact. [4] [5] [6] This term draws a loose analogy with human psychology, where hallucination ...
(Reuters) -Search startup Perplexity AI has raised $73.6 million from a group of investors including Nvidia and Amazon founder Jeff Bezos, the latest example of investors hunting for AI startups ...