Free LLM Prompt Tester
Run one prompt across all four major assistants and compare their answers and cited sources side by side.
How it works
Type a prompt
Any question your customers might ask an AI.
We run it everywhere
ChatGPT, Claude, Gemini and Perplexity answer at once.
Compare answers
Read each response and the sources it cited.
Why use it
Four answers, one prompt
No tab-switching between assistants.
Sources included
See which sites each engine leaned on.
Side by side
Spot where the models agree and differ.
Live models
Fresh answers, not cached text.
Who it's for
Marketers
- See how AI describes your category
- Find which brands get named
- Shape messaging accordingly
Researchers
- Compare model behaviour
- Audit answer quality
- Collect cited sources
Builders
- Prototype prompt ideas
- Benchmark engines
- Decide which model to ship
Do it at scale
Get every model's answer as JSON
This is the /prompts/run endpoint. Send one prompt and get structured answers and sources from every engine — perfect for monitoring how AI talks about your market.
Free credits included. No setup fees. No card required.
curl -X POST https://api.trackee.dev/v1/prompts/run \
-H "x-access-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "what are the best CRMs for startups?",
"engines": ["chatgpt", "claude", "gemini", "perplexity"]
}'Frequently asked questions
Which engines run?
ChatGPT, Claude, Gemini and Perplexity, all on the same prompt.
Do I see sources?
Yes, where the engine returns citations we list the domains it used.
Free?
Yes — sign in and run it with free credits.
Is there an API?
Yes, the /prompts/run endpoint returns every engine's raw answer as JSON.