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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Prolific
✓ verifiedPaid
Research participant marketplace that gives AI teams and academics fast access to verified, screened human data and feedback.
21M visits/mo
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Arc
✓ verifiedPaid
Remote-talent marketplace using AI screening to match vetted developers, designers and marketers for freelance or full-time roles.
1.0M visits/mo1.5K saves
Pricing
Foundation: $13 per user per month (annually)
Growth: $25 per user per month (annually)
Pro: $42 per user per month (annually)
Business: $59 per user per month (annually)
Enterprise: $79 per user per month (annually)
No public pricing
Freelance: $15-$110+/hour
Full-time: 20% of annual salary
Free trial available
Community: Free
Professional: $36
Team: $75
Enterprise: Custom
Starter: $9/mo
Pro: $18/mo
Expert: $25/mo
Core features
- ✦Sales automation
- ✦Email and calendar syncing
- ✦Pipeline management
- ✦Reporting and analytics
- ✦Marketing automation
- ✦Engagement tools
- ✦300,000+ verified, screened participants
- ✦300+ audience targeting filters
- ✦Representative and quota-based sampling
- ✦API and no-code survey tool integrations
- ✦AI-powered participant quality monitoring (Protocol)
- ✦Managed services with dedicated project teams
- ✦Access to vetted domain experts
- ✦Vetted remote talent across many roles
- ✦HireAI applicant screening and auto-sourcing
- ✦Freelance (hourly) and full-time hiring
- ✦450,000+ talent across 190 countries
- ✦Dedicated recruiters and human support
- ✦Compliant global hiring and ATS integration
- ✦Notebooks for analysis and modeling
- ✦App Builder for interactive visualizations
- ✦AI-powered assistance for query generation and code writing
- ✦Collaboration and sharing tools
- ✦Integration with data warehouses and other tools
- ✦Access to multiple AI models (GPT-4, Claude 3, Mixtral)
- ✦PDF analysis
- ✦AI image generation
- ✦AI data scientist
- ✦AI visualizations
- ✦Music composition
Use cases
- →Managing customer relationships and interactions
- →Automating sales tasks to improve efficiency
- →Tracking sales performance and forecasting revenue
- →Creating targeted email marketing campaigns
- →Engaging with leads and customers through web chat and SMS
- →Collecting human preference data for RLHF or model evaluation
- →Running academic behavioral or market research studies
- →Sourcing domain-expert data for specialized AI benchmarks
- →Hiring vetted remote developers and designers
- →Filling freelance or full-time roles fast
- →Screening applicants with AI
- →Building global teams compliantly
- →Exploratory analysis
- →Data science
- →Operational reporting
- →Self-serve data tools
- →Chat with PDF documents to get instant insights
- →Turn data into easy-to-understand visuals
- →Create high-quality images with AI
- →Manage tasks more efficiently with AI assistance
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