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.

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Founded: 2026
Headquarters: Not disclosed
Company size: Not disclosed
Products tracked: 10

Products by Appen Limited

10 products

AI Data Platform (ADAP)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.0.00 reviewsTraining Data & Labeling

Frontier Model AlignmentExpert-validated data for frontier model development including chain-of-thought reasoning traces, subject matter expert RLHF, supervised fine-tuning demonstrations, adversarial...0.00 reviewsTraining Data & Labeling

Agentic AITraining data for autonomous AI agents including golden trajectory creation, verifier design, RL environment builds, RAG evaluation, and failure mode taxonomy.0.00 reviewsTraining Data & Labeling

Speech & AudioSpeech data collection and annotation across 500+ global locales including expressive TTS synthesis, multi-speaker transcription, acoustic scene detection, and code-switched dia...0.00 reviewsTraining Data & Labeling

Multimodal AIData for AI systems that perceive across modalities including vision-language model alignment, audio-visual language sync, and video action recognition.0.00 reviewsTraining Data & Labeling

Physical AIData for AI systems interacting with the physical world including LiDAR annotation, sensor fusion, biometric collection, in-cabin automotive intelligence, and world model data.0.00 reviewsTraining Data & Labeling

Model Integrity & EvaluationIndependent evaluation data to ensure deployed models are accurate, unbiased, and safe, including hallucination benchmarking, A/B arena testing, regulatory audit support, bias d...0.00 reviewsAI Evaluation & Observability

Reinforcement Learning with Human FeedbackProduct 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...0.00 reviewsTraining Data & Labeling

Document IntelligenceProduct 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...0.00 reviewsTraining Data & Labeling

Automated NLP LabelingProduct 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...0.00 reviewsTraining Data & Labeling

Customer voice

Customer testimonials

Quotes published on Appen Limited's official website.

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.

Customer testimonialOriginal

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.

Customer testimonialOriginal