---
title: "Prompt Engineering Lab"
description: "Interactive prompt testing with metrics (response time, token usage, cost). Master few-shot, chain-of-thought, role-based prompting."
canonical: "https://www.razi.pro/tools/prompt-lab"
tags: ["prompt engineering", "prompt testing", "ai learning", "few-shot prompting", "chain-of-thought", "prompt patterns"]
source: "razi.pro"
---

# Prompt Engineering Lab

Interactive prompt testing with metrics (response time, token usage, cost). Master few-shot, chain-of-thought, role-based prompting.

- **Category:** AI Learning Tools
- **Use it:** https://www.razi.pro/tools/prompt-lab
- **Documentation:** https://www.razi.pro/tools/prompt-lab/docs
- **Keywords:** prompt engineering, prompt testing, ai learning, few-shot prompting, chain-of-thought, prompt patterns

Free to use, no signup required.