PROMPT LAB · 01
See what your prompt sends.
Write. Inspect. Understand. Improve.
Conversation
0 chat callsApplication instructions + settings
Other parameters are omitted or visible in the request. No hidden history truncation.
01 / YOUR FIRST EXCHANGE
A prompt is only part of the request.
Write a message, preview what goes to the model, then inspect the reply. Every turn makes the hidden cost of context visible.
⌘ / Ctrl + Enter to preview
Inspector
SELECT AN EXCHANGE{ }The full exchange,
The full exchange,
in plain sight.
Preview a message to see its instructions, conversation history, and generation settings.
01 Application instructions
02 Earlier messages + answers
03 Your new message
04 Model + settings
This shows the API exchange: application instructions, context, parameters, and returned data. It cannot show undisclosed provider instructions or private reasoning. Reasoning counts are not reasoning text.