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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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Prismic
✓ verifiedFreemium
Headless CMS and page builder where marketing teams and AI agents assemble on-brand landing pages from reusable, developer-built sections.
1.2M visits/mo61 saves
Pricing
No public pricing
No public pricing
Free: $0/month (1 user, 4M API calls/month, 100GB CDN)
Starter: $10/month (3 users, 3 locales)
Small: $25/month (7 users, 4 locales)
Medium: $150/month (25 users, 5M API calls/month)
Platinum: $675/month (unlimited users, 10M API calls/month, 30-day free trial available)
Free trial available
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
- ✦Visual page builder for assembling pre-built sections
- ✦Slice Machine developer tooling for reusable components
- ✦AI-assisted page and copy generation
- ✦AI translation across locales
- ✦ChatGPT/Claude integration for bulk content edits
- ✦API-driven content delivery via CDN
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
- →Marketing teams launching SEO or ABM landing pages quickly
- →Developers building a component library for non-technical editors
- →Multilingual sites needing synced translations
- →Agencies managing many client sites on one CMS
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