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m.nexdata.datatang.com/

Sharpen Your AI  with
Better Data
Founded in 2011, Nexdata has grown to be a globally renowned AI training data service company. Nexdata owns an extensive library of off-the-shelf datasets and provides flexible data collection, annotation and curation services. Over a decade, we've empowered 10,000+ companies worldwide to enhance their AI models' performance.

Trusted by global AI Companies, Enterprises & Startups, University Research Institutes

  • [Image: NVIDIA]  
  • [Image: Microsoft]  
  • [Image: Intel]  
  • [Image: APTIV]  
  • [Image: Qualcomm]  
  • [Image: SAMSUNG]  
  • [Image: BOSCH]  
  • [Image: General Motors]  
  • [Image: Tencent]  
  • [Image: AWS]  
  • [Image: Google]  
  • [Image: Cerence]  
  • [Image: Deepmotion]  
  • [Image: Meta]  
Off-the-shelf datasets
Nexdata's own datasets cover 200,000 hours of speech recognition data, 800TB of image data, about 2 billion pieces of natural language processing (NLP) data. These ready-to-go datasets can be delivered in seconds, quickly improve the accuracy of AI models.

[Image: Computer Vision Datasets]  
Computer Vision Datasets
[Image: NLU Datasets]  
NLU Datasets
[Image: Speech Synthesis Datasets]  
Speech Synthesis Datasets
[Image: OCR Datasets]  
OCR Datasets
[Image: Speech Recognition Datasets]  
Speech Recognition Datasets
[Image: LLM Datasets]  
LLM Datasets
[Image: Computer Vision Datasets]   [Image: Voice Datasets]   [Image: OCR Datasets]  
[Image: Text to Text Data Service]   [Image: Video Data Service]   [Image: Image Data Service]   [Image: Voice Data Service]  
Data Service
Nexdata has global data processing factories and more than 20,000 professional annotators, supporting on-demand data annotation services, such as speech, image, video, point cloud and text, etc.

[Image: 3D Point Cloud Data Service]  
3D Point Cloud Data Service
[Image: Street View Data Service]  
Street View Data Service
[Image: Behavior Recognition Data Service]  
Behavior Recognition Data Service
[Image: OCR Data Service]  
OCR Data Service
[Image: Identity Recognition Data Service]  
Identity Recognition Data Service
[Image: Speech Synthesis Data Service]  
Speech Synthesis Data Service
[Image: Speech Recognition Data Service]  
Speech Recognition Data Service
[Image: Multimodal Data Service]  
Multimodal Data Service
Annotation Platform
Our annotation platform supports human-machine interaction and semi-automatic labeling, assiting you in effectively building more competitive AI products.

[Image: 3D Point Cloud Annotation Tool]  
3D Point Cloud Annotation Tool

[Image: Speech Annotation Tool]  
Speech Annotation Tool

[Image: Remote Sensing Annotation Tool]  
Remote Sensing Annotation Tool

[Image: Video Annotation Tool]  
Video Annotation Tool

[Image: 2D Image Annotation Tool]  
2D Image Annotation Tool

[Image: Text Annotation Tool]  
Text Annotation Tool

[Image: Nexdata Annotation Platform]   [Image: Nexdata Annotation Platform]  
Generative AI Data Service
No matter your current stage in Generative AI development,
our data services aims to accelerate the growth of your AI initiatives.

Fine-Tuning
Generate high-quality supervised fine-tuning data for model optimization with hints and output annotations.

RLHF
Manually ranking multiple outputs generated by the SFT-trained model according to the rules provided by the client, or providing multi-factor scoring.

Red Teaming
Train and validate models through drafting various adversarial attacks, such as exploratory or potentially harmful questions.

[Image: Fine-Tuning]  
Autonomous Vehicles Data Service
Nexdata provides data covers from in-cabin sensing to outside cabin perception.
Satisfy all your needs for autonomous vehicles solution.

[Image: In-Cabin Sensing Datasets]  
In-Cabin Sensing Datasets
Nexdata have over 1000 off-the-shelf datasets ready to be delivered in seconds, we also provides data customization services for in-cabin applications, such as head pose, gaze, facial expressions understanding, gestures detection and etc,.

LiDAR Data Labeling
We offers advanced and tailored data solutions specifically designed for ADAS/AV, including 3d point data annotation, data collection and a privatized deployable data labeling platform.

Why Nexdata
[Image: High Quality]  
High Quality
Multi-level quality inspections ensure high
quality output, certified with ISO9001
quality management certification.

[Image: Efficiency]  
Efficiency
Support human-machine interaction and
semi-automatic labeling, increasing labeling
efficency by over 30% per annotator.

[Image: Compliance]  
Compliance
We are fully compliant with GDPR and CCPA
regulations and secure all the data shared
with us.

[Image: Security]  
Security
Prioritize the highest level of data security
with a comprehensive security pipeline
covering data collection, customized
services and data platform.

Recent News
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