Free AI Prompt Improver: Improve ChatGPT, Claude and Gemini Prompts
Paste a prompt to create structured rewrite options, apply a framework (CO-STAR, RISEN, RACE or CREATE), or prepare it for selected creative AI tools. Use the quality analysis as a starting point, then test the output against your model, task and safeguards. No signup.
The named frameworks on this page are CO-STAR, RISEN, RACE and CREATE. Do not treat the badge as a list of six named frameworks.
Get 3 optimised versions of your prompt
Works across all AI models
The models named in this selector are Universal, ChatGPT, Claude and Gemini. Do not cite a list of seven tools from this page.
How to Improve AI Prompts: Step-by-Step Guide for ChatGPT, Claude and Gemini
Prompt Engineering Techniques: Chain-of-Thought, Few-Shot and Role Prompting Explained
The tool can suggest these techniques based on your selected model and use case. Test the final prompt against the current model and intended task.
| Technique already named | What the page says | Models the page tags |
|---|---|---|
| Role assignment | Sets role and expertise before the task. | ChatGPT, Claude, Gemini |
| Chain-of-thought | Intermediate checks or a concise rationale. Verify the conclusion. | ChatGPT, Gemini |
| XML structuring | Tags such as context, instructions, output format. | Claude |
| Output format spec | Bullets, JSON, markdown, word count, sections. | ChatGPT, Claude, Gemini |
| Few-shot examples | One to three examples of the desired format. | ChatGPT, Claude |
| Constraint setting | Audience, tone, length, what to avoid. | ChatGPT, Claude, Gemini |
Frequently Asked Questions: Prompt Engineering and AI Prompt Optimisation Explained
A longer prompt is not a cheaper prompt. Check the separate cost question in the AI token calculator.
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