Lenso.ai

An AI-based reverse image search engine, its official website states that it can search billions of images worldwide, presents results classified by people, locations, duplicates, relevance and similarity, and provides research mode, advanced filtering and developer APIs.

AI Image Recognition#Reverse Image Search#Face Search#Copyright Tracking

Updated: 2026-10-26

What is Lenso.ai?

Lenso.ai is an AI-based reverse image search engine. Its official website states that it can search billions of images from all over the world. It presents results by categorizing them into people, places, duplicates, related, similar and other categories, with each category generating independent results. In addition to web search, it also offers research mode, advanced filtering and reverse image search APIs. The interface supports multiple languages including Simplified Chinese.

Who is it for?

Photographers and designers who want to confirm if their images have been plagiarized and need to trace their sources.
Brands and content platforms that conduct copyright monitoring and infringement evidence collection.
Journalists and fact-checkers who need to verify the source and original release time of images.
Developers who want to integrate image search capabilities into their own products.
Brand rights protection personnel who need to investigate the dissemination path of images by domain name or time range.

Key features

Image Search by Image

Upload an image to search across multiple categories, and the official website states that each category generates independent results.

Facial Search

The official website states that it can accurately match facial features and locate photos of the person appearing on the internet.

Duplicate Image Detection & Source Tracking

Identifies duplicate images and traces their original sources, used for copyright ownership and attribution.

Research Mode

The official website states that it allows access to up to 10,000 results for people and duplicates, which is approximately 10 times more than regular searches.

Advanced Filtering

Filter by page language, domain name, date range, image size, and title keywords.

Reverse Image Search API

The official website states that the developer plan allows up to 5,000 calls per month, supporting image search and facial recognition search.

Location Search

The official website lists landmark recognition categories for identifying the shooting locations in photos.

Alerts & Collections

The official website states that you can set alerts for categories of interest and automatically save unlocked results to your collection.

How to use Lenso.ai

1Search for the same image separately under categories such as "People", "Duplicates", and "Related"; the results from different categories vary significantly.
2Use the Duplicates category to find stolen images, and the Similar category to find identical or similar images.
3The official website states that Research Mode must be activated in the Professional Plan; calculate your search volume first before deciding whether to subscribe.
4Facial search involves biometric information, and its use must comply with local facial data and privacy regulations.
5Before integrating the API, test it with low traffic first to ensure that the quota and response speed meet expectations.
6The official website states that you can copy the search link to share results, and others will not be able to see your search content. Just send the link directly when collaborating.
7The official website states that results can be sorted by best match, diversity, or latest discovery; prioritize the latest discovery when looking for stolen images.