Train your AI with expert data.

Trainfold connects AI teams with vetted domain experts to evaluate models, create AI training data, and build benchmarks.

Get expert knowledge your AI model or system needs.

Build a project-specific team of vetted experts to evaluate your models and create high-quality training data in any domain.

Evaluate models

Experts review model outputs, compare responses, score performance, and explain what needs to improve.

Create training data

Get expert-created prompts, responses, rubrics, preference data, and edge cases for training and post-training.

Build benchmarks

Create domain-specific evaluation sets that measure model performance across releases and checkpoints.

Experts selected for your project

We match you with professionals whose knowledge, experience, and judgment fit your specific requirements.

From technical and scientific fields to legal, financial, creative, and operational expertise, each cohort is built around your use case.

Expert coverage across specialties.

How it works

1

Define your project

Describe your company and the AI flows you have that require expert evaluation and validation.

2

Build your expert team

We identify and qualify experts who match your domain and requirements.

3

Receive your data

Experts complete the work according to your instructions, criteria, format, and timeline.

Why Trainfold

Vetted domain experts

Work with professionals selected for relevant knowledge and real-world experience.

Built around your use case

The expert cohort, task design, and deliverables are tailored to your project.

Structured for AI workflows

Receive consistent, organized data in JSONL or your preferred format.

Find the experts your AI needs.

Start with a focused pilot for model evaluation, training data, or benchmark development.