Step-3.5-Flash-SFT

Step-3.5-Flash-SFT Step-3.5-Flash-SFT is a general-domain supervised fine-tuning release for chat models. This repository keeps the full training interface in one place: json/: canonical raw training data tokenizers/: tokenizer snapshots for Step-3.5-Flash and Qwen3, released to preserve chat-template alignment compiled/: tokenizer-specific compiled shards for StepTronOSS training Data Format Each raw shard is a JSON file whose top level is a list of examples. Each… See the full description on the dataset page: https://huggingface.co/datasets/stepfun-ai/Step-3.5-Flash-SFT.