Compare AI answers side by side.

Ask once and read GPT, Claude, Gemini and 120+ models next to each other. Keep the answer you trust. Try it below, no account needed.

GPT-6 Astra

Claude Fable 5.1

Gemini 3.8 Flash

Example · press Run to try it live · 3 free runs a day, no account

Different prompts, different winners.

No model is best at everything. These are the prompts where a second answer changes the most. Pick one and it drops into the table above.

01
Writing
Tone is where models differ most. Two drafts next to each other make the choice obvious.
02
Code
One model spots the bug another walks past. Compare the fixes before you paste one in.
03
Facts
When two models disagree, that's your cue to check the source.
04
Explaining
Some answers go short, some go deep. Keep the one that makes it click.
05
Decisions
Two honest lists of tradeoffs beat one confident answer.

Comparing is the whole app, not a side feature. Here's what happens after you sign up.

01
Ask once
Type your prompt and choose the models. Free accounts compare 2 at a time, Pro 4 and Max 8.
02
Read them together
Every model streams into its own column at the same time, with its response time. No tabs, no copy and paste.
03
Keep the best one
Mark the answer you trust and carry on the conversation. Everything stays in your history.

Blind mode hides the model names. Pick a winner and the names come back.

On paid plans, a judge model scores every answer and names a winner. It scores four things:

Run yours on two models right now, free. A free account adds 5 messages every 24 hours, no card.