Free / Open-sourceBuild, train, and deploy computer vision for the physical world

Scale records 616,915 monthly visits with +12.5% month-over-month growth and Contact for Pricing pricing. Sieve records 124 monthly visits with +1.6% growth and Contact for Pricing pricing.
The data lab for real-world intelligence
| Dimension / Metric | ||
|---|---|---|
| Official Domain | scale.com | sievedata.com |
| Pricing Model | Contact for Pricing | Contact for Pricing |
| Monthly Visits | 616.92K (616,915) | 124 (124) |
| MoM Traffic Delta | +68.69K (+12.5%) |
| +2 (+1.6%) |
| Primary Market & Share | 🇺🇸 United States (44.2%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 191.41K | 54 |
|---|
| User Rating | 4.7 | 4.1 |
|---|
| Supported Platforms | Website | Website |
|---|
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.
The data lab for real-world intelligence
First-person recordings of economically valuable physical work, paired with hand-pose, motion and synchronised sensor annotations.
Multi-camera video and audio collection with bespoke rigs and controlled environments built to a client's specification.
Both simulated and real-world test suites that measure how well robot policies perform across tasks and conditions.
Petabyte-scale synchronised video and audio datasets, including published engineering work on embedding a billion videos for retrieval.
Free / Open-sourceBuild, train, and deploy computer vision for the physical world

Free / Open-sourceReal-time image and video APIs, agentic DAM and creative automation in one platform
#2
Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.

Free / Open-sourceAI data infrastructure for building production-grade models

Free / Open-sourceMulti-modal AI detection API that flags synthetic images, text, audio, video and deepfakes

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


SpecialistFocuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.
The multimodal data layer for computer vision and physical AI teams

Free / Open-sourceOne universal API for 500+ AI models and 1,000+ agentic tools

Free / Open-sourceVideo data infrastructure for physical AI and robot training

Free / Open-sourceOffers a flexible open-source alternative for custom data labeling and human-in-the-loop annotation pipelines.


Free / Open-sourceVideo intelligence infrastructure that makes every second of footage searchable and analyzable
Free / Open-sourceBuild, train, and deploy computer vision for the physical world
Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.
Free / Open-sourceAI data infrastructure for building production-grade models
Free / Open-sourceMulti-modal AI detection API that flags synthetic images, text, audio, video and deepfakes
SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.
SpecialistFocuses on post-deployment LLM observability and evaluation rather than training data generation or annotation.
Free / Open-sourceVideo data infrastructure for physical AI and robot training
Free / Open-sourceOffers a flexible open-source alternative for custom data labeling and human-in-the-loop annotation pipelines.
Free / Open-sourceVideo intelligence infrastructure that makes every second of footage searchable and analyzable