OpenAI releases GPT-4.1 with a separate prompting guide

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Released GPT-4.1 and pointed to a separate prompting guide — recommended more explicit and specific prompts

Why it matters

A case of model-specific prompting norms moving into vendor documentation

Source — Primary sources first; secondary reports are labelled “Press”

Officialopenai.comhttps://openai.com/index/gpt-4-1/

Added in Week 35, 2026 · See that week

On the map — ① Prompt Engineering line

  1. Previous stopChain-of-Verification
  2. This record · stopGPT-4.1
  3. Next stopChain-of-Thought Hijacking published
See it on the map

In the model family tree — GPT family · 23 versions

  1. Earlier versionGPT-4.5
  2. This recordGPT-4.1
  3. Later versionGPT-5
See the whole GPT family

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