About Us

We are a premier AI Data Infrastructure company

Based in Tokyo, SEMO AI transforms raw, unstructured global information into structured, machine-readable intelligence. Our comprehensive data products span audio, vision, video, and text, serving as the foundational bedrock for leading AGI research labs and autonomous driving pioneers worldwide. Founded by University of Tokyo alumni, we combine deep research expertise with industrial-scale data engineering.

Global

Data Sourcing & Compliance Network

30+

Top-Tier AI Enterprise Clients

H100

GPU-Powered Processing Pipeline

100%

Proprietary QA Standards

Platform

End-to-End Automation from Collection to Delivery

Data Collection Platform

  • Full coverage data crawling across mainstream platforms
  • Keyword, homepage, and multi-dimensional targeted collection
  • Real-time data quality and compliance monitoring

Data Annotation Platform

  • Audio, image, video multi-modal annotation tasks
  • Automated pre-annotation + human refinement in parallel
  • Industry-leading accuracy through rigorous QC processes

Data Delivery Platform

  • Standardized data formats with multiple delivery methods
  • Data encryption ensuring customer data privacy
  • Continuous iterative updates with custom data product support

50B+

Data Records

300M+

Hours of Audio

30+

Languages

30+

Top-Tier AI Enterprise Clients

Our Edge

Five Core Advantages

High Quality

Complete annotation pipeline for speech and multimodal large models, including quality filtering, text annotation, tone detection, and text labeling.

Massive Scale

Hundreds of millions of hours of annotation completed across Chinese, English, and multiple languages, covering blogs, audiobooks, film, and many scenarios.

Cost Effective

Extremely competitive pricing while maintaining high annotation quality standards.

High Responsiveness

Rapid response to business requirements, with collaborative adjustments to ensure annotation quality meets standards.

Deep Expertise

Team of audio, multimodal data, and algorithm experts enabling professional communication and the most professional data product services.