Appen Limited
Provider of high-quality data for the AI lifecycle, offering AI training data, annotation, labeling, collection, and managed services across text, image, audio, video, and geospatial data.
About Appen Limited
Provider of high-quality data for the AI lifecycle, offering AI training data, annotation, labeling, collection, and managed services across text, image, audio, video, and geospatial data.
Products
Flexible annotation platform merging automation and human oversight to deliver high-quality data across text, image, audio, video, 3D point cloud, 4D, and geospatial modalities.
Expert-validated data for frontier model development including chain-of-thought reasoning traces, subject matter expert RLHF, supervised fine-tuning demonstrations, adversarial...
Training data for autonomous AI agents including golden trajectory creation, verifier design, RL environment builds, RAG evaluation, and failure mode taxonomy.
Speech data collection and annotation across 500+ global locales including expressive TTS synthesis, multi-speaker transcription, acoustic scene detection, and code-switched dia...
Data for AI systems that perceive across modalities including vision-language model alignment, audio-visual language sync, and video action recognition.
Data for AI systems interacting with the physical world including LiDAR annotation, sensor fusion, biometric collection, in-cabin automotive intelligence, and world model data.
Independent evaluation data to ensure deployed models are accurate, unbiased, and safe, including hallucination benchmarking, A/B arena testing, regulatory audit support, bias d...
Product for generating prompt-response pairs engineered by AI Training Specialists and reviewed for accuracy and bias to tackle risks of bias and hallucinations in large languag...
Product enabling clients to extract key insights from unstructured documents such as scanned and photographed documents, making any document a usable data source with 99% accura...
Product providing fast, efficient data annotation using zero-shot or few-shot learning techniques and large language models, with annotated datasets reviewed by AI Training Spec...
What customers say
“With Appen, we’re getting trust and reliability. We can have confidence that the things we’re building are functionally right, that they do what we say they do while meeting the metrics our customers care about.”
“Compared to our freelancing network, Appen’s platform allows us to iterate quickly with our experimental design and data collection. This is an incredible benefit to us.”
“How do my customers feel about my product?”
- AI Data Platform (ADAP)
Cohere used a custom Appen AI Data Platform deployment for PANDA Plus, collecting preference rankings, response edits, and feedback for Command fine-tuning. Appen reports more than 2,400 expert contributor hours over 12…
Case study - Case study
CallMiner used Appen’s annotation platform to label sentiment and emotion in call-center data. Appen reports that CallMiner expanded from roughly 3,000 samples over several months to tens of thousands, with reporting…
Case study - Case study
Nearmap engaged Appen for aerial-image and 3D annotation through a dedicated Cavite team. Appen reports expanding the workforce from five to over 180 analysts between 2019 and 2025, helping Nearmap scale annotation and…
Case study
Security and compliance
As reported by Appen Limited. Ask for audit reports before you buy.
- SOC 2Certified
- ISO/IEC 27001Certified
- HIPAACompliant
- GDPRCompliant
- NIST CSFCompliant
- Enterprise security standards
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