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2. Perplexity.ai - Wikipedia

   en.wikipedia.org/wiki/Perplexity.ai

   Perplexity AI, Inc. 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 ...

3. Perplexity AI’s challenge to Google hinges on something ...

   www.aol.com/finance/perplexity-ai-challenge...

   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 ...

4. SoftBank to invest in search startup Perplexity AI at $3 ...

   www.aol.com/news/softbank-invest-search-startup...

   (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 ...

5. AI startup Perplexity wants to upend search business. News ...

   www.aol.com/news/ai-startup-perplexity-wants...

   The artificial intelligence startup Perplexity AI has raised tens of millions of dollars from the likes of Jeff Bezos and other prominent tech investors for its mission to rival Google in the ...

6. Claude (language model) - Wikipedia

   en.wikipedia.org/wiki/Claude_(language_model)

   Constitutional AI is an approach developed by Anthropic for training AI systems, particularly language models like Claude, to be harmless and helpful without relying on extensive human feedback. The method, detailed in the paper "Constitutional AI: Harmlessness from AI Feedback" involves two phases: supervised learning and reinforcement learning.

7. Daniel Gross (entrepreneur) - Wikipedia

   en.wikipedia.org/wiki/Daniel_Gross_(entrepreneur)

   Known for. Cue (search engine), AI Grant, Andromeda. Daniel Gross is an American entrepreneur who co-founded Cue, led artificial intelligence efforts at Apple, served as a partner at Y Combinator, [ 1] and is a notable technology investor in companies like Uber, Instacart, Figma, GitHub, Airtable, Rippling, CoreWeave, Character.ai, Perplexity ...

8. Search startup Perplexity AI valued at $520 million in ... - AOL

   www.aol.com/news/search-startup-perplexity-ai...

   (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 ...

9. Perplexity - Wikipedia

   en.wikipedia.org/wiki/Perplexity

   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 ...