Appen is a leading AI data platform and service provider with over 25 years of experience delivering high-quality, diverse datasets that power world-class AI and machine learning models. Their end-to-end platform combines scalable human-AI collaboration, flexible services, and deep domain expertise to support the entire AI lifecycle — from data collection and annotation to supervised fine-tuning and benchmarking. Trusted by enterprises worldwide, Appen enables organizations to accelerate AI innovation, improve model performance, and deploy enterprise-ready AI applications with confidence.
Appen’s platform provides comprehensive solutions including multilingual data preparation, audio data services, large language model (LLM) training data, and off-the-shelf datasets. Their proprietary infrastructure ensures a customizable, auditable workflow to meet the unique requirements of diverse AI projects. Backed by global crowd contributors and cutting-edge technology, Appen empowers businesses to create more accurate, trustworthy, and scalable AI models.
Key Features
Comprehensive AI Training Data: Appen offers extensive data annotation, collection, and preprocessing services covering natural language processing, computer vision, generative AI, and multimodal AI needs.
Scalable Human-AI Collaboration: A customizable, auditable platform mobilizes skilled crowd contributors worldwide to ensure data quality and reliability with traceability.
Multilingual & Global Data Coverage: Support for multiple languages and regions enables enterprises to build AI applications that serve global markets effectively.
Large Language Model (LLM) Support: Specialized services for supervised fine-tuning, evaluation, and benchmarking of generative AI and foundation models.
Off-the-Shelf Datasets: Ready-to-use, high-quality datasets accelerate development cycles and reduce time-to-market.
Flexible Engagement Models: Use Appen’s platform directly, leverage their end-to-end managed services, or combine both to suit project needs.
Trusted by Industry Leaders: Partners and customers across industries including tech, healthcare, finance, and academia rely on Appen’s expertise.
Traffic Statistics
+5.5%vs Last Month
Category:business and consumer services > business services
Category:business and consumer services > business services
Monthly Visits
942.41K
Global Rank
#56,777
Country Rank (United States)
#29,224
Avg. Duration
1:51
Pages/Visit
3.15
Bounce Rate
47.3%
Category Rank
#408
Monthly Visits Trend
Traffic Sources
Direct51.3%
Search38.1%
Referrals7.3%
Social2.3%
Paid0.8%
Mail0.2%
Top Countries
#
Country
Share
1
United States
30.0%
2
India
8.1%
3
Mexico
6.9%
4
Brazil
4.6%
5
Philippines
4.2%
Data from SimilarWeb • 12/2025
Use Cases
Natural Language Processing (NLP): Acquire annotated text and conversational data to train chatbots, virtual assistants, and language models.
Computer Vision: Obtain labeled image and video data to advance autonomous vehicles, facial recognition, and retail automation.
Generative AI Development: Support supervised fine-tuning and model evaluation with reliable human feedback and benchmarking.
Multimodal AI: Prepare combined data modalities (such as audio, video, and text) to enhance complex AI applications.
Enterprise AI Deployments: Ensure data quality, scalability, and compliance for deploying AI in regulated or large-scale environments.
Research & Innovation: Access high-quality datasets and expert services to push forward AI R&D initiatives.
FAQ
Q: What types of AI data services does Appen provide?
A: Appen offers data annotation, data collection, audio data services, multilingual AI data preparation, LLM training data, supervised fine-tuning, model evaluation, and benchmarking.
Q: How does Appen ensure data quality?
A: Appen combines crowdsourced human intelligence with AI-assisted validation through an auditable platform workflow, ensuring accuracy, consistency, and traceability.
Q: Can I use Appen’s ready-made datasets?
A: Yes, Appen provides off-the-shelf datasets for common AI tasks, designed to accelerate AI model training and experimentation.
Q: Which industries benefit from Appen’s solutions?
A: Appen caters to technology, healthcare, finance, customer service, automotive, retail, academic research, and many more sectors.
Q: How scalable is Appen’s platform?
A: The platform is built to handle projects at any scale, from small pilots to massive global enterprise initiatives.
Q: Does Appen support multiple languages?
A: Yes, Appen’s global crowd and data capabilities support a wide range of languages and locales.
Q: What differentiates Appen from other AI data providers?
A: With over 25 years of experience, global scale, a customizable platform, and a unique human-AI collaboration approach, Appen delivers reliable, efficient, and flexible AI data solutions.
For more information, visit Appen or contact their experts to explore how they can help make data your AI differentiator.