Observable vs AlphaSense
Side-by-side comparison of AI visibility scores, market position, and capabilities
Observable is a data visualization platform built around collaborative JavaScript notebooks and a static site generator (Observable Framework); raised $35.6M Series B; launched Observable Canvases in 2025 for collaborative data exploration.
About
Observable is a data visualization and collaborative analytics company founded by Mike Bostock — the creator of D3.js — and headquartered in San Francisco. Its platform enables data scientists, developers, journalists, and analysts to create interactive visualizations and data-driven documents using JavaScript in a collaborative, web-based notebook environment. Observable''s platform provides an extensive library of reusable visualization components and supports live data connections, making it a popular tool for exploratory data analysis and publishable data journalism.
AI market intelligence platform with $500M ARR (Oct 2025), 7,000 enterprise customers including 90% of S&P 100; raised $1.39B total at $4B+ valuation; acquired Tegus (2024) and Carousel (2025) to dominate financial research.
About
AlphaSense is a New York-based market intelligence and search platform founded in 2011 by Jack Kokko and Raj Neervannan. The company applies AI and natural language processing to a comprehensive content library spanning company SEC filings, earnings call transcripts, broker research, trade journals, expert interview transcripts (via the Tegus acquisition), news, and proprietary internal documents — enabling financial professionals and corporate strategists to conduct research across vast amounts of text-based information in seconds. AlphaSense serves more than 7,000 enterprise customers including 90% of the S&P 100, approximately 70% of the S&P 500, and more than half of the Fortune 500.
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