SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.
SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.
Lenso.ai records 1,588,648 monthly visits with -1.3% month-over-month growth and Freemium pricing. Scale records 616,915 monthly visits with +12.5% growth and Contact for Pricing pricing.
The data, evaluations and systems behind AI that has to be right.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | lenso.ai | scale.com |
| Pricing Model | Freemium | Contact for Pricing |
| Monthly Visits | 1.59M (1,588,648) | 616.92K (616,915) |
| MoM Traffic Delta | -21.27K (-1.3%) | +68.69K (+12.5%) |
| Primary Market & Share | 🇺🇸 United States (35.7%) | 🇺🇸 United States (44.2%) |
| Direct Visits / mo | 945.53K | 191.41K |
| User Rating | 4.2 | 4.7 |
| Supported Platforms | Website | Website |

AI reverse image search with face, place, and duplicate detection
Find where photos of a given face appear online by matching facial details with high precision.
Locate exact copies of an image and identify the original source to protect your copyright or credit correctly.
Run separate searches for people, places, duplicates, similar, and related images, each backed by task-specific models.
Filter by language, domain, date, size, and title keywords, and expand results to roughly 10,000 matches per search.
The data, evaluations and systems behind AI that has to be right.
Human-sourced and expert-annotated training data, including specialist contributors with advanced degrees, at the quality bar frontier labs require.
Public leaderboards plus private benchmarks that test model capability and safety for the most ambitious AI developers.
Platform and services teams that pick the right use case, build the system and take ownership of the outcome.
Agentic systems designed around measurable business outcomes across private equity portfolios, energy and healthcare operations.
SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.
SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.

Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.
Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.

Provides enterprise multimodal annotation and data management tools, but with less emphasis on managed labeling workforces.
Provides enterprise multimodal annotation and data management tools, but with less emphasis on managed labeling workforces.
Matches uploaded photographs against web and social indices specifically for facial recognition, similar to Lenso's face search.
Matches uploaded photographs against web and social indices specifically for facial recognition, similar to Lenso's face search.
SpecialistAggregates and searches stock photography libraries across the web using neural networks, replacing Lenso's stock/duplicate focus.
SpecialistAggregates and searches stock photography libraries across the web using neural networks, replacing Lenso's stock/duplicate focus.

SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.
SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.

SpecialistVisual search engine tailored specifically for finding film stills and advertising shots rather than general web images.
SpecialistVisual search engine tailored specifically for finding film stills and advertising shots rather than general web images.
Specializes in matching uploaded portraits against social media profiles, functioning similarly to Lenso's face search feature.
Specializes in matching uploaded portraits against social media profiles, functioning similarly to Lenso's face search feature.

SpecialistFocuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.
SpecialistFocuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.
Specializes in data infrastructure and annotation specifically tailored for computer vision and physical AI workloads.
Specializes in data infrastructure and annotation specifically tailored for computer vision and physical AI workloads.

SpecialistPredicts geographic locations of uploaded photos using visual clues, offering location-based image analysis instead of standard duplicate search.
SpecialistPredicts geographic locations of uploaded photos using visual clues, offering location-based image analysis instead of standard duplicate search.

Scans public web pages for matching faces using reverse search, offering a comparable facial recognition workflow.
Scans public web pages for matching faces using reverse search, offering a comparable facial recognition workflow.