Opentrain Ai

What it does

Global marketplace for vetted human AI data experts and managed labeling services.

In their own words: Hire from 300,000+ pre-vetted AI trainers and data labelers across 190+ countries. Self-service or fully managed for RLHF, LLM eval, and annotation.

It's a productivity tool. A free tier lets you try it before paying — useful when you're keeping costs low. Visit the website for the latest features and pricing.