Codex Pet vs Prolific

Chat with millions of AI characters or build your own

Customizable AI character roleplay platform featuring free JanitorLLM chats, logic scripts, and multi-model API routing.

SpecialistFree AI character chat and immersive roleplay with over a million bots

Chat, roleplay, and build your own AI companions

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

Create custom AI characters and dive into open-ended roleplay chats

Chat-to-asset AI studio for game developers and UI artists

Online AI animation and video maker for studio-quality content in minutes

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.

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.