Training data from people who know the domain.

Expert-generated SFT demonstrations, golden outputs, instruction-response pairs, and domain-expert annotation - the high-quality examples your model learns to imitate.

4.3M+
Verified participants
150+
Countries
Verified
Identity & skill
Training data from domain experts

Fine-tune on data
you can trust.

Experts write and verify the examples your model learns from.

01

Recruit domain writers

Verified experts in the field your model needs to master.

Recruited
Verified field experts
Matched to your domain
Hand-picked writers
02

Write & verify examples

Instruction–response pairs and demonstrations, double-checked.

In the task
Instruction–response pairs
Demonstrations included
Double-checked by experts
03

Training-ready sets

Clean, formatted, auditable data - drop it straight in.

Delivered
Clean & formatted
Auditable
Drop-in ready

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 saves me a ton of time. I can look at somebody's profile, review their screener responses, and choose whether or not they're right for my study.
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