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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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RunningHub
✓ verifiedFreemium
All-in-one cloud platform combining ComfyUI workflows, AI apps, and model APIs for creators building image/video content pipelines.
1.4M visits/mo
Pricing
No public pricing
No public pricing
No public pricing
Core features
- ✦CSV to API conversion
- ✦Data parsing (CSV to JSON)
- ✦Filtering capabilities
- ✦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
- ✦Cloud-hosted ComfyUI workflow execution
- ✦Infinite canvas for iterative visual editing
- ✦Prebuilt quick-create AI apps and viral templates
- ✦Model, workflow and AI-application API access
- ✦Creator rewards and referral coin system
- ✦Access to trending models like Seedream and Seedance
Use cases
- →Sharing CSV data with a team via an API
- →Creating a public API from CSV data
- →Filtering and accessing specific data within a CSV file programmatically
- →Collecting human preference data for RLHF or model evaluation
- →Running academic behavioral or market research studies
- →Sourcing domain-expert data for specialized AI benchmarks
- →Running ComfyUI workflows without owning GPU hardware
- →Producing short-form marketing and e-commerce video content
- →Building custom AI-powered creative apps
- →Generating image/video assets via API for other products
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