
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
Captide records 0 monthly visits with 0% month-over-month growth and Contact for Pricing pricing. Prolific records 18,697,671 monthly visits with -1.8% growth and Paid pricing.

Agentic AI APIs for global corporate filings and financial intelligence
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | captide.co | prolific.com |
| Pricing Model | Contact for Pricing | Paid |
| Monthly Visits | 0 (0) | 18.7M (18,697,671) |
| MoM Traffic Delta | 0 (0%) | -352.04K (-1.8%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (48.8%) |
| Direct Visits / mo | 0 | 12.98M |
| User Rating | 4.1 | 4.6 |
| Supported Platforms | Website | Website |

Agentic AI APIs for global corporate filings and financial intelligence
Retrieve global corporate disclosures in clean, structured Markdown built for LLM use and downstream analysis.
Ask natural-language questions across filings, earnings calls and proxies and receive answers grounded in primary documents.
Every generated answer links back to its source sentence for auditability and verification.
10-K, 10-Q, 8-K, 6-K, 20-F, DEF 14A proxies and earnings call transcripts from public companies worldwide.
High-quality human data for AI training, evaluation, and research
Filter participants by detailed demographic, professional, and behavioural criteria and reach narrow or representative samples rather than a generic crowd.
Collect human preference data for model fine-tuning, run safety evaluations and red-teaming, and use a feedback API to plug humans into automated pipelines.
Attention checks, honesty screening, and approval workflows help filter out careless or fraudulent responses before you analyse results.
Publish a study and begin collecting responses quickly, with tooling that supports screening, quotas, and longitudinal designs.

Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.

SpecialistThe environments frontier AI trains on, and the agents that do the recurring work
SpecialistThe environments frontier AI trains on, and the agents that do the recurring work

Enterprise-grade data annotation and AI alignment workforce, but less self-serve for academic study recruitment and casual surveys.
The data, evaluations and systems behind AI that has to be right.

SpecialistAI data infrastructure for building production-grade models
SpecialistAI data infrastructure for building production-grade models

SpecialistSpecializes in video-based consumer interviews and AI qualitative analysis, but less focused on quantitative academic survey panels.
SpecialistSpecializes in video-based consumer interviews and AI qualitative analysis, but less focused on quantitative academic survey panels.

SpecialistSources verified B2B professionals and healthcare experts for specialized research, but lacks broad general-population academic panels.
SpecialistSources verified B2B professionals and healthcare experts for specialized research, but lacks broad general-population academic panels.

AI APIs for credit underwriting and digital customer onboarding
AI APIs for credit underwriting and digital customer onboarding

Enterprise LLMs and document AI that turn unstructured work into data

Free / Open-sourceOpen-source data labeling and evaluation platform for AI workflows, but requires bringing your own annotation workforce.
Free / Open-sourceOpen-source data labeling and evaluation platform for AI workflows, but requires bringing your own annotation workforce.
Free / Open-sourceInstitution-grade crypto and equities intelligence, delivered through a chat-style AI analyst.

Free / Open-sourceOCR and multi-modal document extraction APIs with built-in fraud detection