Have Confidence to Deploy AI Projects with World-Class Training Data
With over 25 years of experience, we are the Data for AI Lifecycle leader. With 1,000s of successful projects in data sourcing, data annotation and model evaluation by humans, we enable the most innovative companies with AI projects succeed.
Data for AI Lifecycle
Developing high-quality AI requires focus on each step of the AI lifecycle, however more than 80% of the effort is spent on managing data. Appen unleashes the potential of your AI by solving data sourcing, data annotation and real-world model testing needs.
What is the Appen Difference?
Data Sourcing
Pre-Labeled Datasets
We offer immediate access to 250+ pre-labeled datasets allowing you to jump-start and accelerate your AI projects.
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Data Collection
We have extensive experience with large scale custom data collections covering audio, image, testing, sentiment and point of interest. Utilize our global crowd workforce and secure locations to source new and unique training data, allowing you to train your models on data specific to your use case and target markets.
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Synthetic Data
Leverage our data products and expertise to artificially generate data enabling you to access difficult to obtain or edge case data.
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Data Preparation
Data Annotation
Leverage the combination of our innovative data annotation platform and global workforce to create the highest-quality training data for your ML projects.
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Knowledge Graph & Ontology Mapping
Work with our knowledge graph and linguist experts to design taxonomies and ontologies that will deliver the optimal results for graph-based deep learning.
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Model Evaluation by Humans
Model Validation
Understand how your model works in the real world by testing with a representative sample of target users.
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AI System Benchmarking
Compare model performance to competitors to ensure best-in-class results.
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Comprehensive Data Capabilities for Any Use Case
Our products, services, experts and crowd can cover your specific data needs along the entire AI development lifecycle.
Access cutting-edge technology to combine multiple data sources under one interconnected training dataset for complex AI use cases.
Multi-Modal
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Collect and annotate all kinds of images and add tags, or metadata, to identify characteristics of the data you want your AI model to learn to recognize.
Image
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Leverage a combination of human annotators and automated tools to quickly and accurately label target objects in video footage.
Video
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Collect and enrich sensor data points and add new capabilities by merging data from multiple sensors to create a more accurate conceptualization of the target scene or object.
Sensor
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Leverage deep expertise, tools and global audiences to collect and annotate text data, the building blocks for natural language processing use cases.
Text
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Build the most versatile audio speech recognition systems by collecting and annotating data with a globally diverse crowd.
Audio
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Collect and annotate real-world geographical locations to create up-to-date maps and location-based products/services.
POI
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Global Partners
Our partners are leading technology and services companies that you can leverage to build end-to-end AI solutions.



