Building great datasets on your mother tongue with Open-Weight models

IndiaFOSS 2025

Kurian Benoy

Sunday, September 21, 2025

Outline

• Why even generate synthetic data?
• Generating Synthethic data with Wan2.2 Text to video models for Onam Images
• Generating Malayalam Speech Dataset
• Conclusion

$whoami

• An open-source developer who is the creator of “whisper_normalizer” and ML developer @Sarvam

Disclaimer

Why even Synthehtic data

• The amount of real datasets is really low.