Perplexity vs OpenAI
Side-by-side comparison of AI visibility scores, market position, and capabilities
1B+ monthly queries; 240M website visits/month; AI search category leader. $9B valuation; Perplexity Pro with GPT-4o and Claude 3.7 access. Sonar API for AI-native search in agentic applications. 15M+ registered users.
About
Perplexity AI is an AI-powered answer engine that provides direct, sourced responses to user queries by searching the web in real time and synthesizing information through large language models. Founded in 2022 and headquartered in San Francisco, Perplexity was created by Aravind Srinivas (formerly OpenAI), Denis Yarats, Johnny Ho, and Andy Konwinski with the vision of replacing the traditional search engine's link-based results with direct, cited answers that users can trust and verify.
GPT-5 and o3 model family at $25B+ ARR; $840B post-money valuation (Feb 2026 round); ChatGPT 1B+ users; largest private fundraise in history ($110B). Competing with Anthropic Claude 4, Google Gemini 3, Meta Llama 4.
About
OpenAI is a San Francisco-based artificial intelligence company developing and deploying large-scale AI systems — including GPT-4o, o1 reasoning models, DALL-E 3 image generation, Sora video generation, and the Whisper speech recognition model — through the ChatGPT consumer product and OpenAI API for developers and enterprise customers. Founded in 2015 as a nonprofit by Sam Altman, Elon Musk, Greg Brockman, and others and restructured into a capped-profit company, OpenAI raised $157 billion in total funding including a $6.6 billion round in October 2024 at a $157 billion valuation and a $40 billion round from SoftBank in 2025, generating $3.7 billion in annualized revenue in 2024 with 400 million weekly ChatGPT users.
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