Exa is a software platform that organizes and connects all knowledge for large language models (LLMs) and artificial intelligence applications. Exa provides a powerful web search API designed to help LLMs and developers intelligently find, retrieve, and utilize relevant information at scale.
After several years of focused research, Exa developed advanced representation learning techniques and web crawling infrastructure. These innovations enable Exa's API to index and surface information more effectively than traditional web search tools, supporting AI systems that require up-to-date, contextually relevant data.
Exa serves technology-forward companies and teams that need robust data access for AI products. Notable customers include EvaBot, Databricks, and Vercel, reflecting Exa's use among leading organizations building AI-powered solutions.
How was Exa started?
Exa was founded in San Francisco, California, by a team with deep expertise in artificial intelligence, large-scale software infrastructure, and business strategy. The founding group includes Will Bryk (CEO, formerly at Cresta), Jeff Wang (Plaid), Ben Chen (SIG), Hubert Yuan (Tsinghua University), and others with backgrounds at companies like Apple, Palantir, McKinsey, and Google. Their combined experience spans AI product development, data infrastructure, machine learning, and growth strategy, which has shaped Exa's approach to organizing knowledge for the AI ecosystem. You can learn more about their team on the Exa About page.
Who uses Exa?
Exa's web search API is used by AI and technology companies looking to enhance their products with high-quality, relevant information. Customers like EvaBot, Databricks, and Vercel leverage Exa to power intelligent search, retrieval, and data enrichment in their applications. Exa is especially valuable for organizations building LLM-based tools, chatbots, and enterprise AI solutions that require reliable access to knowledge from across the web.
What makes Exa different?
Exa distinguishes itself through its investment in novel representation learning and web crawling technology. Unlike general-purpose search engines, Exa is purpose-built for powering AI systems—enabling LLMs to find and use relevant information in a way that supports complex, context-aware tasks. This focus on the AI data layer positions Exa as a foundational tool in the AI ecosystem.
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