Engineering notes and experiments by Baris Bayburtlu.https://blog.bayburt.lu/https://blog.bayburt.lu/editing-kumru-weights/https://blog.bayburt.lu/editing-kumru-weights/I gave GPT-6 Astra direct access to Kumru-2B's weights twice. It stopped a math fine-tune from looping but could not teach it arithmetic. On grammar correction, a 0.03% edit raised exact accuracy on held-out sentences.Wed, 04 Nov 2026 00:00:00 GMT