AI & Productivity Tools
Text ToolsAI Prompt Tester
Write a system prompt and user message, run them against Groq AI models directly in the browser, and see the output with token count and latency metrics.
0 / 4000
0 / 4000
0.7
PreciseCreative
Write your prompts and click Run Prompt
Related Tools
About AI Prompt Tester
How It Works
- Write a system prompt to set the AI's behavior, role, and constraints
- Enter your user message or question in the user prompt field
- Select a Groq model and adjust the temperature for creativity vs. precision
- Click "Run Prompt" to send your messages to the AI
- Review the output along with token count and latency metrics
- Iterate and refine your prompts based on the results
Common Use Cases
- Testing system prompts for chatbots and AI assistants
- Experimenting with different temperatures for creative vs. factual tasks
- Comparing outputs across multiple Groq models
- Prototyping LLM-powered features before writing code
- Learning prompt engineering techniques interactively
- Benchmarking prompt quality with token and latency stats
Frequently Asked Questions
What is the AI Prompt Tester?
The AI Prompt Tester is a free browser-based tool that lets you write a system prompt and a user message, send them to a Groq AI model, and instantly see the output along with token usage and latency statistics.
What is a system prompt?
A system prompt sets the behavior, role, and constraints for the AI before the conversation begins. For example, "You are a concise technical writer" tells the model to respond in a specific style. The system prompt is optional — if left blank, only the user message is sent.
Which AI models are available?
The tool provides access to four Groq-hosted models: Llama 3.1 8B (fast and lightweight), Llama 3 70B (more powerful), Mixtral 8x7B (efficient mixture-of-experts), and Gemma 2 9B (Google's open model). All run on Groq's hardware for low-latency inference.
What does the Temperature setting control?
Temperature controls the randomness of the model's output. Lower values (0.0–0.5) produce more focused, deterministic responses — good for factual tasks. Higher values (1.0–2.0) increase creativity and variation — useful for brainstorming and creative writing.
What do the token stats mean?
Prompt tokens are the tokens in your input (system + user messages). Completion tokens are the tokens in the model's response. Total tokens is the sum of both. Token counts affect API cost and model context limits. Latency shows how long the full request took in milliseconds.
Is there a character limit on prompts?
Yes. The system prompt is limited to 4,000 characters and the user prompt to 8,000 characters. These limits keep requests within a reasonable token budget for real-time testing.
Does this tool save my prompts?
No. Your prompts are sent directly to the Groq API for inference and are not stored anywhere. Each session starts fresh, and clearing the form discards all input immediately.
How is this different from the Groq Playground?
This tool is embedded in ToolsZone for quick, no-login access alongside dozens of other developer and AI tools. It focuses on fast prompt iteration with clear token and latency metrics, without requiring a Groq account.
Can I use this to compare models?
Yes. Copy your prompts, switch the model selector to a different model, and run again to compare outputs. You can see which model produces better results for your specific use case and how latency and token counts differ.
Is the AI Prompt Tester free?
Yes, it is completely free to use. No account, no API key, and no rate limit configuration required. The tool uses the ToolsZone Groq API key behind the scenes.