Model evaluation & safety, grounded in real people.

Measure capability, safety, and quality with human evaluations, SME verification, and rubric design - launch in minutes or hand the program to our managed team.

4.3M+
Verified participants
100+
Languages
<1%
Fraud rate
Model evaluation and safety, grounded in real people

Evaluation that
reflects reality.

Real people judge real output - recruited, guided, and scored end to end.

01

Recruit domain raters

Hand-pick verified experts across 50+ attributes and 100+ languages.

Recruited
Verified domain experts
50+ attributes, 100+ languages
Hand-picked per task
02

Rate, rank & red-team

Quality, safety, and helpfulness scored - plus adversarial probing.

In the task
Quality & helpfulness scored
Safety & adversarial probing
Outputs ranked head-to-head
03

Benchmarked results

Model-to-model comparisons you can trust, ready to act on.

Delivered
Model-to-model comparisons
Trustworthy & structured
Ready to act on

A loop that compounds.

Real human judgment, on a loop.

Improve your models with feedback from real, verified participants.

Recruit, gather human judgment, train, and evaluate - then run it again.

The loop
Recruit verified participants
Collect human feedback
Train & align
Evaluate & benchmark
Every cycle improves the model
01 Recruit verified participants
02 Collect human feedback
03 Train & align
04 Evaluate & benchmark

Built for high-quality AI data.

Verified human expertise, quality controls, and the full pipeline - from evaluation to fine-tuning.

Verified human expertise
01

Verified human expertise

Domain experts and everyday users - identity-verified across 150+ countries and 100+ languages.

Domain expertsNative speakers4.3M+ verified
Quality controls built in
02

Quality controls built in

Attention checks, inter-rater agreement, and fraud prevention keep every dataset clean.

Identity verifiedPass
Agreement scored0.91
Fraud kept outClean
The full pipeline
03

The full pipeline

Evaluation, preference data, annotation, and fine-tuning - delivered into your stack via API.

EvaluationRLHFAnnotationAPI delivery

One panel for every data need.

Evaluation, alignment, and fine-tuning data - from the same verified human network.

Evaluation & red-teamHuman judgment
Jesse T.
AI evaluator · verified
Rate & rank model outputSCORED
Adversarial red-teamingSAFETY
Benchmark model to modelBENCH
Real human judgment - not synthetic scores
Preference & alignmentStructured
Daniel K.
Preference rater · RLHF
Pairwise preference dataRLHF
Instruction & demonstrationSFT
Iterated on a cadenceLOOP
Alignment data your pipeline can ingest directly
Fine-tune & annotateAny modality
Sammy L.
Domain expert · fintech
Text, image, audio & videoMULTI
100+ languages & culturesGLOBAL
Domain-expert annotationEXPERT
Training data across every modality and market

A global network of verified experts.

Wherever your model ships, recruit the real people who can judge it - by domain, language, and culture.

Verified participants 1M+ 100K–1M 20K–100K 5K–20K <5K No coverage

150+ countries

Recruit experts and everyday users wherever your model is used - real local judgment, not a US-only sample.

100+ languages

Multilingual and cross-cultural data from real native speakers - for models that work everywhere.

Verified & fraud-free

Identity-checked participants, sourced directly - never scraped, borrowed, or synthetic.

Respondent is a lifesaver - it's the best recruitment tool, nothing comes close.
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Your first qualified participant in 15 minutes.
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