Sho Tanaka (tsho) Posted on Aug 28 • Originally published at implicit-none.com on Aug 19 Turning Qwen2.5-0.5B into a JSON API with SFT — 23% 100% on a Free T4 #llm #machinelearning #posttraining #sft I Tried Post-Training and All I Got Was "systemsystem" I followed the TRL tutorial to fine-tune a small model with SFT (supervised fine-tuning). Training ran to completion. But no matter what I asked the trained model, the answer was: