High-quality human data for AI training, evaluation, and research
Jack and Jill records 1,254,267 monthly visits with +11.2% month-over-month growth and Freemium, 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 | jackandjill.ai | sourcebae.com |
| Pricing Model | Freemium, Contact for Pricing | Contact for Pricing |
| Monthly Visits | 1.25M (1,254,267) | 21.73K (21,727) |
| MoM Traffic Delta | +125.89K (+11.2%) | +3.63K (+20.1%) |
| Primary Market & Share | 🇬🇧 United Kingdom (44.8%) | 🇮🇳 India (80.7%) |
| Direct Visits / mo | 704.39K | 3.66K |
| User Rating | 4 | 4.1 |
| Supported Platforms | Website | Website |

AI agents that introduce great candidates to ambitious companies
Scans millions of jobs daily to surface roles matched to a candidate's goals, not just keywords, and guides career decisions.
Automates candidate sourcing and screening for hiring teams, surfacing relevant profiles from public sources and networks.
When there is mutual fit, Jack and Jill introduce candidate and company directly, bypassing the traditional application pile.
Jack runs mock interviews with feedback on answer quality and helps candidates understand their value and negotiate offers.
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

AI-powered talent marketplace connecting experts with frontier AI work

Free / Open-sourceThe agent recruits, you manage talent

Free / Open-sourceActs as a dedicated AI job search copilot for applicants, omitting employer candidate sourcing tools.
Free / Open-sourceActs as a dedicated AI job search copilot for applicants, omitting employer candidate sourcing tools.
Free / Open-sourceFocuses on the job seeker side with resume tailoring and autofill, rather than two-sided corporate recruiting.
Free / Open-sourceProvides a free-tier AI resume builder and application tracker, focusing on job seekers over employers.
Free / Open-sourceProvides a free-tier AI resume builder and application tracker, focusing on job seekers over employers.
Agentic skills intelligence for hiring, developing, and planning talent

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

Integrates AI sourcing, CRM, and applicant tracking into one platform, but targets recruiters exclusively.
Integrates AI sourcing, CRM, and applicant tracking into one platform, but targets recruiters exclusively.

Provides an autonomous agentic recruiter for applicant tracking, though less tailored for job seeker side coaching.
Provides an autonomous agentic recruiter for applicant tracking, though less tailored for job seeker side coaching.

Converts natural language hiring briefs into ranked candidate lists, but lacks built-in career guidance for job seekers.
Converts natural language hiring briefs into ranked candidate lists, but lacks built-in career guidance for job seekers.

Automates end-to-end candidate sourcing and interview note-taking, but focuses less on candidate-facing career guidance.
Automates end-to-end candidate sourcing and interview note-taking, but focuses less on candidate-facing career guidance.