Data as of Aug 25, 2026 · Based on 3,181,687 AI responses across 10,525 prompts · See how Parse measures this
OpenTrainopentrain.aiOpenTrain.ai is a talent network that connects AI companies with pre-vetted domain experts for tasks like LLM evaluation, RLHF, red teaming, and data labeling. It offers a platform for posting jobs, receiving curated shortlists, and managing talent across various tools, while also providing freelancers with access to AI training jobs from multiple platforms.
Words AI uses
AI reaches for pre-vetted · specialized · board-certified when it describes OpenTrain.
Sources
opentrain.ai shapes more of what AI says about OpenTrain than any other source, at 73% of its citations.
cogitotech.com · herohunt.ai · intuitionlabs.ai · taskmonk.ai
The market map
RLHF Data Collection & Training Platforms →Excerpts where OpenTrain appeared in the AI's answer
OpenTrain AI : Functions as an expert-driven platform that specifically sources, screens, and matches networks of board-certified radiologists and clinical subject matter experts for high-end DICOM annotation and model validation.
OpenTrain AI : Operates managed annotation programs that source, interview, and test U.S. board-certified radiologists
Excerpts where OpenTrain appeared in the AI's answer
OpenTrain AI : A newer marketplace and managed service offering access to pre-vetted raters
OpenTrain AI: Acts as a marketplace for RLHF services and preference ranking, letting you hire pre-vetted subject-matter experts or run a fully managed program.
Excerpts where OpenTrain appeared in the AI's answer
OpenTrain AI : Connects teams with pre-vetted domain experts (PhDs and industry practitioners) specifically for SFT, DPO pairwise generation, and complex logic/code verification.
OpenTrain AI: A strong marketplace choice for connecting with pre-vetted domain experts
