

Appen is a provider of human-annotated training data used to develop and refine artificial intelligence systems. The company provides expert-validated datasets across multiple modalities, including text, audio, video, and physical sensor data.
The service is designed for software companies and AI research labs building foundational models, autonomous agents, and computer vision applications. It supports the data lifecycle, from sourcing and labeling to model evaluation and safety auditing.
Buyers can use the AI Data Platform (ADAP), which combines automation with human oversight to manage labeling workflows. The platform supports various data types, such as LiDAR for robotics or dialectal speech for audio systems.
Business buyers should confirm if their specific data modality requirements are supported and review security certifications, such as SOC 2 and ISO 27001, to ensure they meet their organization's compliance standards.
Supports CoT reasoning traces, SME RLHF, SFT demonstrations, and adversarial red teaming.
Provides agent trajectories, RL environment design, and failure mode taxonomy.
Supports expressive TTS synthesis, emotion detection, and dialectal speech across 500+ locales.
Provides VLM training data, video annotation, and cross-modal alignment.
Supports LiDAR point cloud annotation and robotics trajectories.
Includes hallucination benchmarking, bias detection, and regulatory compliance audits.
An annotation platform that combines automation with human oversight for various data modalities.
Sourcing human-validated data to train large language models on reasoning and alignment.
Developing RL environments and trajectory logs to support agentic AI workflows.
Collecting dialectal speech and emotion detection data across diverse global locales.
Using LiDAR and multi-camera sensor fusion data for AI operating in physical environments.
Performing hallucination benchmarking and auditing model outputs against regulatory frameworks such as the EU AI Act.
Pricing was not clearly available from the provided evidence. Buyers should confirm current pricing on the vendor website.
Appen provides expert-validated human data and annotation services used to train and improve AI systems across text, audio, video, and physical modalities.
It is designed for software companies and AI labs that need high-quality training data for frontier models, autonomous agents, and computer vision.
Appen holds SOC 2 Type II, ISO 27001, HIPAA, and GDPR compliance certifications.
ADAP is Appen's annotation platform that combines automation with human oversight to manage the data labeling lifecycle.
Source category: Data & Analytics
Source subcategory: AI Training Data Services
Appen is an AI training data provider that delivers expert-validated human annotations for software companies and AI labs. It supports workflows for frontier model alignment, multimodal AI, and model integrity auditing.