How do you want to debate the AI?

Pick the one that feels natural. Casual and Conversation are live, out loud, and scored. Timed round is typed, not realtime audio.

TIMED Timed roundNot realtime audio. Opens a different layout: typed speeches on a clock, one person each side, and a fuller written decision at the end.

It listens, replies, and may interrupt like a real person.

What are we arguing about?

Pick a subject and take one of the statements under it, write your own, or talk it through with the AI first.

or pick a subject

What do you want to argue about?

Your topic

You will argue for or against this statement.

Which side are you on?

Pick the AI's voice.

Change it any time during the round. Say "change your voice" and it switches.

Ready?

Live back-and-forth

More settings challenge, speed, mic, feedback

Challenge level

AI opponent

How strongly the AI disagrees and pushes back.

Speaking speed

AI voice

How quickly the AI speaks.

Microphone

Turn-taking

Hands free listens for a pause. Tap to speak gives you the floor until you tap again. More turn-taking settings ↗

Extra feedback

After the debate

Adds brief judge notes to your feedback at the end.

Use your OpenAI key

Included with paid plans. No Debatable voice-minute cap. OpenAI bills your API usage. Your key stays in this tab and is sent only to OpenAI through our session service. Reload to forget it.

Say what you think. See what comes back.

Headphones help. When you finish you get a score out of 100, and signed-in rounds count on the leaderboard.