Excelrsprompts
Temperature: start low when you must cite
Low is repeatable. High makes a bait intermittent. Write the number next to the model.
Sandeep Jaiswal · 20 July 2026 · 4 min read
Prompt, then RAG, then fine-tune
Shape is a prompt. Facts live in files. Fine-tune is last, and only after you can count clean pairs.
Sandeep Jaiswal · 8 December 2025 · 5 min read
Context windows: what fits on the desk
Rules, question, a few facts, room for the answer. Why stuffing twenty pages fails, and what to drop first.
Sandeep Jaiswal · 9 November 2025 · 5 min read
Prompt injection: the file is not allowed to give orders
Untrusted text is data. How a planted line steals the job, and how your code keeps the rules.
Sandeep Jaiswal · 18 August 2025 · 5 min read
Few-shot: two tiny examples beat a speech
One true example, one false. Same fields as the schema. They sit in a slot you control.
Sandeep Jaiswal · 16 June 2025 · 4 min read
System vs user: two slots, not one blob
Rules stay in system. Files stay in user. An ignore-rules line must still refuse.
Sandeep Jaiswal · 21 April 2025 · 5 min read