Service
🤖 AI Data Annotation
Corpshore provides high-quality data annotation services for AI research teams, LLM model developers and enterprises deploying AI solutions in production. Our native French-speaking annotators ensure maximum accuracy on French-language data.
What we do
Our AI Data Annotation offering
Image & video labelling
Bounding boxes, semantic segmentation, classification, object detection, video sequence annotation. Tools: Label Studio, Scale AI, CVAT, Roboflow.
Text & NLP annotation
NER (named entity recognition), intent classification, sentiment analysis, coreference, STS (semantic similarity), span annotation. Specialisation in legal, medical and financial French.
RLHF & model evaluation
Comparative LLM response evaluation (helpfulness, harmlessness, honesty), red-teaming, safety evaluation, output ranking. Protocols aligned with Constitutional AI guidelines.
Audio & multimodal annotation
Transcription, diarisation, sound event detection, multimodal annotation (image + text + audio). Expertise in Francophone dialects (Québécois, Belgian, Maghrebi French).
FAQ
AI Data Annotation — your questions
What accuracy do you guarantee for AI data annotation?
We guarantee inter-annotator agreement (IAA) above 95%, measured by Cohen's Kappa or Krippendorff's alpha depending on task type. Every batch undergoes double-blind quality control before delivery.
Can you annotate sensitive data (medical, legal, financial) in French?
Yes. We operate specialist teams for sensitive data annotation, subject to enhanced NDAs and air-gapped environments on request. Experience with HDS medical corpora and confidential legal datasets.
Do you offer RLHF services for French-language LLM models?
Yes. We are one of the few European providers with native French-speaking RLHF annotators for comparative evaluation, red-teaming and fine-tuning of large language models.
Ready to scale your operations?
Talk to a Corpshore consultant today. Free quote, no obligation, response within 24 hours.