High-quality human data for AI training, evaluation, and research
Compare AI products across 459 workflows using traffic estimates, features, and alternatives.

“Studies” · Coding & Development·64 results
Start overHigh-quality human data for AI training, evaluation, and research
Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms
Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms

Turn any document, video or topic into a finished quiz in seconds
Turn any document, video or topic into a finished quiz in seconds
Real human data for AI training, evals, and research — in minutes

A free place to study the Bible with an AI assistant
A free place to study the Bible with an AI assistant

Good ideas, better timing — learn from 2,000+ startup stories
Good ideas, better timing — learn from 2,000+ startup stories
Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing
Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing

Targeted research audiences with AI-verified data quality
Targeted research audiences with AI-verified data quality
Chat with any PDF, video, or website and get cited answers in seconds

AI-powered practice and scoring for the Duolingo English Test
AI-powered practice and scoring for the Duolingo English Test
Turn your notes into interactive AI quizzes
Turn your notes into interactive AI quizzes

Catholic answer engine grounded in 30,000+ cited sources
Customer and user research at scale, powered by AI conversations
Customer and user research at scale, powered by AI conversations

Design a site visually and publish it live, with no code
Design a site visually and publish it live, with no code

PTE practice tests with instant AI scoring and realistic mock exams
PTE practice tests with instant AI scoring and realistic mock exams

Attendance, e-signature and AI-powered questionnaires for training providers
Attendance, e-signature and AI-powered questionnaires for training providers

Find profitable niches, build apps with AI, and copy winning ads
Find profitable niches, build apps with AI, and copy winning ads
Search and study millions of public SKILL.md agent skills
Search and study millions of public SKILL.md agent skills

One AI study workspace with 25+ tools for essays, math, research and exam prep
One AI study workspace with 25+ tools for essays, math, research and exam prep
Expert-reviewed digital SAT prep with adaptive tests and a curated question bank
Expert-reviewed digital SAT prep with adaptive tests and a curated question bank

AI assignment helper with detection and humanizer in one place
AI assignment helper with detection and humanizer in one place

Agent-native notebook for cloud data science and ML workflows
An AI growth agent that researches, builds and runs your ads across every channel
An AI growth agent that researches, builds and runs your ads across every channel
A private, offline notebook that turns your own sources into reports, decks and briefings
A private, offline notebook that turns your own sources into reports, decks and briefings