Guide

Prompt optimizer

OpenAI · developers.openai.com

OpenAI's tool that rewrites a prompt to current best practice in the API dashboard; the page notes the dataset-backed optimizer goes with the Evals platform, read-only from 31 October and shut down on 30 November 2026.

Open on developers.openai.com ↗

The question it answers

  1. Which tool helps me write better AI prompts?

Read with it

  1. Anthropic's living reference for its current models: be clear and explicit, explain why, give 3 to 5 examples, structure long... platform.claude.com Guide Prompting best practices (Claude docs) Anthropic
  2. Gems become skills for personal accounts from November 2026: reusable instructions you call with / in any chat. support.google.com Guide About the transition from Gems to skills Google Gemini Help
  3. Where to save standing instructions so every ChatGPT chat starts from them. help.openai.com Guide ChatGPT Custom Instructions OpenAI Help Center
  4. How a Claude Project holds the files and standing instructions for one piece of work, so every chat in it starts with that... support.claude.com Guide What are projects? Anthropic Help Center
  5. OpenAI's learning hub: the AI Foundations course (about 70 minutes, self-paced, with a completion certificate), Applied AI... openai.com Course OpenAI Academy OpenAI
  6. OpenAI's prompting guide for the GPT-6 family, including a ready prompt to find unclear or conflicting instructions in what you... developers.openai.com Guide Using GPT-6 OpenAI
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