for ai training

Verified participants for training AI models

A recruitment panel for AI teams who need diverse, verified humans for model training, RLHF, red-teaming, and evaluation at scale.

Improve AI with human feedback

AI teams need human feedback that's diverse and delivered at the speed of model development. Get access to 4M+ verified testers across demographics, expertise levels, and geographic regions. Run RLHF, red-teaming, and evaluation studies with participants who are provably 100% human.

Verified humans for model evaluation

Human evaluation at scale keeps your models accurate. Recruit testers for preference labeling, adversarial testing, and factual verification. Testers are verified, screened, at begin to match with your project within 15 minutes.

  • Testers are ID-verified and pre-screened
  • Industry-low <1% fraud rate
  • High response rates from experts and specialized recruits
  • Demographic and professional targeting

Get human feedback quickly & at scale

Get human feedback as fast as you can use it. Our platform screens and matches testers within 15 minutes so your training runs move at speed.

  • Manage participant invites and payments on autopilot
  • 50+ integrations with your training pipeline
  • Centralized billing and budget tracking
  • Large volume pricing available

Tools & workflows to find the right people

Your pre-release model outputs, training prompts, and evaluation data are competitive IP. Ensure confidentiality with automated NDA enforcement and access controls that prevent leaks before your model hits production.

  • Automated workflows for screening & payments
  • Target by countries, industries, demographics and more
  • Instant audience feasibility estimates
  • Advanced fraud protection keeps sample high quality

Get introduced to our panel

Want to see how our panel and recruit tools work? Book a call with our team to talk through your use case and understand how Respondent can help you find the participants you need.

Talk to Sales

Customer Success Stories

Rated 4.6 from 400+ reviews on G2.com

John Whaley

Director, Research and Testing - Instrument

We tested out a few platforms and quickly realized that Respondent was getting us good people fast. That’s frankly all we need.

Taylor Jennings

Lead UX Researcher - Chili Piper

Respondent helps me easily find the exactly-right participants for my projects. Further, it works for any type of research project with any kind of participant.

Jacqueline Jordan

GVP, Research at Huge

The participants have been who they say they are, we can verify them, and they're super responsive. Respondent has helped us do better research and be better researchers.

Custom pricing for AI Training recruits

Respondent offers great-value participant recruitment for all types of AI training. Custom rates available based on methodology and volume.

Get in touch

Customer Success Stories

Rated 4.6 from 400+ reviews on G2.com

John Whaley

Director, Research and Testing - Instrument

We tested out a few platforms and quickly realized that Respondent was getting us good people fast. That’s frankly all we need.

Taylor Jennings

Lead UX Researcher - Chili Piper

Respondent helps me easily find the exactly-right participants for my projects. Further, it works for any type of research project with any kind of participant.

Jacqueline Jordan

GVP, Research at Huge

The participants have been who they say they are, we can verify them, and they're super responsive. Respondent has helped us do better research and be better researchers.

Find your first research participant in 15 minutes

Respondent is the fastest way to recruit, screen, and pay research participants - all in the same place