The 51.4M-document reflection set from Synthetic Persona Pretraining (SPP): Alignment from Token Zero — the production half-corpus run, and the dataset the released models were actually trained on.

🔬 Small sample (same format): dlab-spp/reflection-sample-2k 📉 Earlier 10M run: dlab-spp/reflection-10m 🧾 Safety scores for the full 1T corpus: dlab-spp/safety-classifications

Each row pairs a source document with two generated constitution reflections — a… See the full description on the dataset page: https://huggingface.co/datasets/dlab-spp/reflection-50m.