Lenso.ai

Lenso.ai is a reverse image search engine that lets users upload or paste a photo and search billions of images across the web for matches. Rather than running a single generic search, it processes the query through AI models trained for distinct categories — faces, places, duplicates, similar images, and related images — returning results tailored to what the user is actually trying to find. A companion search-by-text mode lets users query using a written description instead of an uploaded image. The tool is built for people who need to trace an image back to its source or find where else it appears: photographers and artists checking for unauthorized use, journalists and researchers verifying image origin, brand owners protecting copyrighted material, and individuals or investigators trying to locate photos of a specific face across the internet. The facial recognition search in particular is positioned for finding where a person's photo has been published, which makes the tool relevant to online identity checks and OSINT-style research as well as personal privacy monitoring. In practice, a search starts with dropping in an image (JPG, PNG, or WEBP, up to 10MB, minimum 200x200px) and selecting a result category. Standard searches return a normal result set, but the paid Professional plan unlocks Research Mode, which expands people and duplicate searches to up to 10,000 results and adds advanced filters for language, domain, date range, image size, and keywords in a page title. Additional workflow features include result sorting, shareable private search links, saved collections, and alerts that notify users when new matches for a tracked category appear. A separate Developer subscription exposes the underlying engine as an API, offering up to 5,000 monthly calls for both image search and face search so the functionality can be built into other applications. Within the reverse image search category, Lenso.ai differentiates itself from general-purpose search engines' built-in reverse image tools by combining facial recognition, duplicate/copyright detection, and configurable research tooling in one dedicated platform. It also links out to a related product, Pixalytica, for facial-based background and compliance-style reports, signaling a broader identity-verification angle beyond simple photo lookup.