Perplexity
Perplexity AI is a sophisticated conversational search engine that combines the capabilities of large language models (LLMs) with real-time web indexing to deliver accurate and context-aware answers to user queries. Launched in 2022, it operates on a freemium model, offering a free version and a Pro subscription that provides access to advanced LLMs like GPT-4 and Claude 3. The tool excels in various use cases, including academic research, content creation, and data analysis, making it ideal for users seeking reliable information quickly. Its unique selling proposition lies in its ability to provide citations for sources, ensuring transparency and enabling users to verify information. The platform also supports document uploads and offers features like organized collections of queries called Threads, enhancing user experience. Pricing for the Pro version is $20 per month or $200 annually, with an enterprise option available.
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