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Perplexity AI
Perplexity AI is a conversational search engine that uses large language models (LLMs) to answer queries using sources from the web and cites links within the text response. Its developer, Perplexity AI, Inc., is based in San Francisco, California.
History
Aravind Srinivas, Andy Konwinski, Denis Yarats, and Johnny Ho founded Perplexity in 2022. The company's CEO, Srinivas, worked at OpenAI as an AI researcher. Konwinski was among the founding team at Databricks. Yarats, the CTO, was an AI research scientist at Meta. Ho, the CSO, worked as an engineer at Quora and then as a quantitative trader on Wall Street.
Services
Perplexity works on a freemium model. It also has an enterprise version of its product.
Free Plan
- Uses the company's standalone LLM based on GPT-3.5 with browsing
- Uses the context of the user queries to provide a personalized search result
- Summarizes the search results and produces a text with inline citations
- Enables users to use Pages to generate customizable webpage and research presentations based on user prompts
Perplexity Pro
- Provides access to an API
- Search both internal files and web content
- Asks the user clarifying questions to refine queries
- Enables users to upload and analyze local files, including images
- Has access to GPT-4, Claude 3.5, Grok-2, Llama 3, and in-house Perplexity LLMs
- Able to generate images using AI via Playground v3, DALL-E, Stable Diffusion, and FLUX 1
Shopping Hub
Perplexity launched its shopping hub on November 18, 2024, to attract users, backed by Amazon and leading AI chipmaker Nvidia. This will give users product cards that show relevant items in response to asked questions about shopping.
Internal Knowledge Search
Internal Knowledge Search enables Pro and Enterprise Pro users to search across web content and internal documents simultaneously. Users can upload and search through Excel, Word, PDF, and other common file formats. Enterprise Pro users have a limit of 500 files for upload and indexing.
Finance
Perplexity introduced new finance-related features in October 2024, including looking up stock prices and company earnings data. The tool provides real-time stock quotes and price tracking, industry peer comparisons, and basic financial analysis tools. The platform sources its financial data from Financial Modeling Prep (FMP) to ensure accuracy.
Spaces
Perplexity Spaces was released in October 2024 as an AI-powered collaboration hub. The platform allows users to create customized knowledge spaces that combine web searches with personal file integration. Users can upload up to 50 different documents, with a 25MB size limit per file.
As a Business
As of 2024
