Scale: Supplies enterprise AI training data and expert model evaluations, operating on the infrastructure side of AI labs. Mercor records 14,164,192 monthly visits with +34% month-over-month growth and Contact for Pricing pricing. Scale records 616,915 monthly visits with +12.5% growth and Contact for Pricing pricing.
AI-powered talent marketplace connecting experts with frontier AI work
The data, evaluations and systems behind AI that has to be right.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | mercor.com | scale.com |
| Pricing Model | Contact for Pricing | Contact for Pricing |
| Monthly Visits | 14.16M (14,164,192) | 616.92K (616,915) |
| MoM Traffic Delta | +3.59M (+34%) | +68.69K (+12.5%) |
| Primary Market & Share | 🇺🇸 United States (30.7%) | 🇺🇸 United States (44.2%) |
| Direct Visits / mo | 7.52M | 191.41K |
| User Rating | 4.4 | 4.7 |
| Supported Platforms | Website | Website |
AI-powered talent marketplace connecting experts with frontier AI work
Machine-learning models screen and match candidates to remote roles in hours rather than weeks, based on skills, experience and availability.
AI-driven interviews and assessments validate professional expertise before experts are surfaced to hiring partners.
Experts work on flexible, remote projects with rates reported to average around $90 per hour and fast, recurring payouts.
Mercor collaborates with enterprises to design benchmarks such as legal, accounting and software-engineering evaluations for AI agents.
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.
SpecialistOffers robust general HR and recruiting tools with native AI agents, but lacks Mercor's specialized expert network.
SpecialistOffers robust general HR and recruiting tools with native AI agents, but lacks Mercor's specialized expert network.
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.
Sources software professionals through Arc's vetted remote-talent marketplace using AI candidate matching.
Sources software professionals through Arc's vetted remote-talent marketplace using AI candidate matching.
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.
SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.
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.
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.
SpecialistAutomates technical screening, video interviews, and candidate scheduling at enterprise scale.
SpecialistAutomates technical screening, video interviews, and candidate scheduling at enterprise scale.
Free / Open-sourceOffers a flexible open-source alternative for custom data labeling and human-in-the-loop annotation pipelines.
Free / Open-sourceOffers a flexible open-source alternative for custom data labeling and human-in-the-loop annotation pipelines.
SpecialistCombines human expert technical interviewers with AI screening for rigorous engineering candidate evaluation.
SpecialistCombines human expert technical interviewers with AI screening for rigorous engineering candidate evaluation.
SpecialistBuild, simulate, evaluate and monitor self-improving AI agents
SpecialistBuild, simulate, evaluate and monitor self-improving AI agents
