High-quality human data for AI training, evaluation, and research
SourceBae: Connects AI labs and enterprises with domain experts for model evaluation, matching Mercor's core focus. Mercor records 14,164,192 monthly visits with +34% month-over-month growth and Contact for Pricing pricing. SourceBae records 21,727 monthly visits with +20.1% growth and Contact for Pricing pricing.
Train AI with domain experts and real-world data
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | mercor.com | sourcebae.com |
| Pricing Model | Contact for Pricing | Contact for Pricing |
| Monthly Visits | 14.16M (14,164,192) | 21.73K (21,727) |
| MoM Traffic Delta | +3.59M (+34%) | +3.63K (+20.1%) |
| Primary Market & Share | 🇺🇸 United States (30.7%) | 🇮🇳 India (80.7%) |
| Direct Visits / mo | 7.52M | 3.66K |
| User Rating | 4.4 | 4.1 |
| 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.
Train AI with domain experts and real-world data
Generate supervised fine-tuning prompts, reference answers, demonstrations and review rubrics with specialists matched to your subject area rather than generalist annotators.
Collect comparison data on accuracy, relevance, instruction following and domain quality so models can be tuned against ranked human preferences.
Capabilities Assessment responses against expert-defined criteria to surface errors, knowledge gaps and inconsistent behaviour, and run adversarial prompts to expose safety failures.
Capture real tasks in households, factories, warehouses, workshops, farms, labs and clinical settings to build training data for robotics and Physical AI.
High-quality human data for AI training, evaluation, and research

Free / Open-sourceThe agent recruits, you manage talent
Agentic skills intelligence for hiring, developing, and planning talent
SpecialistSupplies enterprise AI training data and expert model evaluations, operating on the infrastructure side of AI labs.
SpecialistSupplies enterprise AI training data and expert model evaluations, operating on the infrastructure side of AI labs.

AI-powered candidate matching inside Arc's vetted remote-talent marketplace
AI-powered candidate matching inside Arc's vetted remote-talent marketplace

Hire real people for tasks AI agents can't do in the physical world
Hire real people for tasks AI agents can't do in the physical world

SpecialistAutomates technical screening, video interviews, and candidate scheduling at enterprise scale.
SpecialistAutomates technical screening, video interviews, and candidate scheduling at enterprise scale.

Interviews on demand, AI-driven or expert-led
Free / Open-sourceAI agents that run hiring from applicant to paycheck
Free / Open-sourceAI agents that run hiring from applicant to paycheck

SpecialistProvides proctored skill assessments and coding IDE environments for evaluating technical candidates.
SpecialistProvides proctored skill assessments and coding IDE environments for evaluating technical candidates.

Free / Open-sourceA curated board for the best AI jobs at top labs

Innovatiana provides managed human data operations for AI — expert data labeling, annotation, RLHF and content moderation delivered by in-house trained specialists across computer vision, NLP, generative AI, audio and multimodal datasets.
Innovatiana provides managed human data operations for AI — expert data labeling, annotation, RLHF and content moderation delivered by in-house trained specialists across computer vision, NLP, generative AI, audio and multimodal datasets.