Free prompt generators
Pick the generator for the model you use. Each one asks a few questions and builds a prompt you can copy. The five OpenAI generators can also open your prompt in ChatGPT or give you the matching API request.
- ChatGPT Prompt Generator for GPT-6 and GPT-5: prompts for ChatGPT and the OpenAI API, shaped for GPT-6 and GPT-5 models.
- ChatGPT Image Prompt Generator: image prompts and edit requests for GPT Image 2.5.
- Codex Prompt Generator and AGENTS.md Builder: Codex task briefs, AGENTS.md files and code review rules.
- OpenAI Voice Agent Prompt Generator: voice agent prompts for GPT-Live, Realtime, transcription and translation.
- gpt-oss Prompt Generator: harmony-format system prompts for gpt-oss-120b and gpt-oss-20b.
- Gemini Prompts Generator: prompts for Google Gemini, with eight categories and quick templates.
- Free Midjourney Prompt Generator 2026: image prompts for Midjourney.