An AI that challenges your thinking instead of applauding it
The most useful person in any room is the one who says "you are looking at this wrong" — and it is exactly the person a chatbot is trained not to be. If every plan you run past your AI comes back validated, you are not getting advice; you are rehearsing your own opinion with better formatting.
Decidi is built to push back. Seat a council where the challengers are the point: a Devil’s Advocate attacks your leading idea, a Contrarian argues the unpopular alternative on its merits, a Brutally Honest Friend says the thing politeness suppresses, and a Steelman makes sure the opposing view gets its strongest form — across several independent frontier models with no stake in your conclusion. The moderator’s verdict must answer the objections, not skip them, and a Final QA audit reviews it before you see it. Your thinking leaves sharper or corrected — either way you win.
- Challenge as the default, not a tone you have to beg a chatbot for
- Your hidden assumptions named and tested one by one
- The strongest case against your position, argued like someone believes it
- Rival models with no agreement reflex toward your framing
- A verdict that must answer the objections rather than wave at them
- You walk in with an opinion and out with a stress-tested position
Part of: Problems we solve
Your position after real challenge: which parts survived, which assumptions broke, the strongest counter-argument you had not considered, and what would change your mind.
Common questions
Why won’t ChatGPT challenge my ideas properly?
Because it is tuned to be helpful and agreeable — challenge feels risky, so it defaults to validation with mild caveats. Even prompted to be critical, it produces polite, generic objections and drifts back to agreement within a few turns. Sustained, specific challenge needs reviewers that are structurally independent of pleasing you.
How does Decidi actually challenge my thinking?
With personas whose explicit job is opposition: a Devil’s Advocate attacks the idea you are attached to, a Contrarian argues the alternative, a Steelman upgrades the counter-case to its best form — argued across independent models, over rounds, with rebuttals. The verdict then has to resolve those attacks, not ignore them.
What if my idea survives the challenge?
Then you have something better than validation: a position that held under genuine attack, with the record showing what it was tested against. And if it does not survive, you found out from a council in minutes instead of from the market, your board or the other side of the table.
Try it on your own decision
Put your question to a council of GPT, Claude, Gemini and Grok — they debate it, a Final QA audit reviews it, and you get one clear verdict. 1,500 free credits to start — no sign-up, no card required.
Start free