SEMO AI

AI Data Infrastructure

Data to Understand the World

Multimodal AI training data at scale. We transform raw, unstructured global information into structured, machine-readable intelligence for the world's leading AI companies.

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300M+

Hours of Audio

20B+

Images

50B+

Data Records

30+

Languages

Data Products

Covering the Full Spectrum of AI Data

Audio & Speech

300M+ hours across English and 30+ languages. Conversational AI, emotional speech, TTS, rare dialects, and music data.

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Vision & Image

20B+ images covering web-scale data, image-caption pairs, portraits, advertising creatives, autonomous driving, and medical imaging.

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Video & Motion

Billions of video clips including HD footage, digital humans, facial dynamics, embodied AI interactions, and action recognition data.

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Text & Reasoning

Massive cleaned text corpora for LLM pre-training, RLHF alignment, instruction tuning, and specialized domains including legal, medical, and coding.

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Full-Stack Solutions

End-to-End Data Products Covering Pre-training, Annotation & Automation

Pre-training Data

  • Audio: 100M+ hours in English and 30+ languages and dialects
  • Music: 100M+ lossless tracks, vocal recordings, and stem-separated music data
  • Images: 10B+ web-scale images, image-text pairs, and interleaved datasets
  • Video: Billions of HD clips, stock footage, and digital human video data
  • Text/Image/Video open-source datasets

Collection & Annotation Services

  • Audio: Multi-language & dialect, full-duplex natural conversation, emotional/paralingual speech, whispered speech
  • Premium Studio: Voice synthesis, singing voice, and professional voice talent recording
  • Video: Custom conversational video data collection

Automated Processing

  • Audio/music automated cleaning and labeling
  • Image/video automated cleaning and labeling
  • Human-in-the-loop precision annotation and fine-grained labeling

Model Training Advisory

  • Data recipe design for pre-training, fine-tuning, alignment, and evaluation
  • Guidance on mixing modalities, domains, synthetic data, and human-annotated data
  • Practical recommendations for adjusting data ratios across different model stages

Competitive Edge

Why SEMO AI

We deliver the foundational data that powers the world's most advanced AI models, distinguished by three core competitive advantages.

01

Unmatched Scale

Proprietary access to massive, ethically-sourced datasets that are impossible to replicate through public scraping.

  • 300M+ hours of high-fidelity audio
  • Global sourcing network covering 30+ languages and rare dialects
  • Continuous data ingestion pipeline

02

Processing Speed

Our H100-powered infrastructure and automated pipelines drastically reduce time-to-market for AI developers.

  • 70% faster delivery compared to traditional annotation vendors
  • Automated pre-processing and alignment
  • Agile response to iterative model training needs

03

Pristine Quality

Rigorous quality assurance protocols ensuring data is ready for immediate ingestion into foundation models.

  • Multi-tier QA system (AI pre-check + Expert review)
  • Strict adherence to global data compliance and privacy standards
  • Customizable annotation taxonomies for complex reasoning tasks

Company Updates

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