“don’t train your own model” is common ai advice. it's wrong. your token bill's the proof.
CastformOpen preview
Castform is a platform designed to simplify training custom open-weights models using proprietary data and agent traces. It automates data preparation, algorithmic selection, and GPU management to provide a cheaper, more performant alternative to closed models.
Highlights
- ▸Open preview launch
- ▸Automated training data generation from raw corpora
- ▸Managed GPU infrastructure
- ▸Interactive IDE to chat with models during training
- ▸Cost reduction compared to token-based closed models