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28 Jan 2026

Study

LLMs · Prompting

Zero-shot, few-shot and structured prompts with a small instruction-tuned model (Qwen2.5-0.5B-Instruct), chat templates, and why output format instructions matter.

  • Instruction-tuned models expect a chat template: system and user turns wrapped in special tokens.
  • Few-shot examples show the model the exact format you want, which often matters more than clever wording.

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