PromptScoreGPT.com
The Most Accurate and Free ChatGPT Prompt Grading Tool
PromptScoreGPT is the ultimate free tool to check, grade, and improve your ChatGPT prompts instantly. Get a 0–100 score, find weaknesses, and generate stronger prompts for better AI results.
1) Paste your prompt
No login. Nothing uploaded. Everything runs in your browser.
2) What’s missing?
Fix these to improve accuracy & reduce hallucinations.
Original
Paste a prompt on the left and click “Check Prompt”.
Improved
You’ll see a tightened, more structured prompt here.
How PromptScoreGPT.com Works
We break your prompt down into the key ingredients that make ChatGPT give better answers — clarity, detail, role, and format. Our smart checklist spots what’s missing and shows you how to fix it.
Everything runs instantly in your browser — nothing is saved, nothing is shared.
Your score is based on:
* Clarity – How clear and easy to follow your prompt is (30%)
* Specificity – How much detail you give to guide the AI (30%)
* Role/Context – Whether you set the right “point of view” for the AI (20%)
* Output Format – How well you define the final result you want (20%)