Pressure-test your thinking with multiple AI minds.

Crucible steelmans, red-teams, and stress-tests your ideas — so you find the flaws before reality does. With sources, a strength score, and a verdict you can trust.

One AI can be wrong

A single AI sounds confident even when it's making things up. There's no one checking its answers.

Comparing is exhausting

You ask the same question to ChatGPT, Claude, and Gemini — then spend 20 minutes figuring out who's right.

You do the hard work

You end up Googling claims yourself, reading conflicting answers, and piecing together the truth on your own.

Crucible does this in one question.

How it works

From question to trusted answer

01

You ask a question

Type anything — a decision you're making, a claim you want verified, or a topic you want deeply researched. Crucible figures out the best approach.

02

AI models research & challenge each other

Multiple AI models independently analyze your question, then challenge each other's answers — pointing out flaws, adding evidence, and stress-testing assumptions.

03

You get a trusted answer

Crucible combines the best points into one clear answer with sources, a confidence score, key takeaways, and a specific recommendation you can act on.

Real examples

Questions worth debating

What's the best laptop for a college student under $1000?

Before — single model

One AI recommends a MacBook. Another says a ThinkPad. You open 5 tabs and get more confused.

Click to see Crucible's answer →

Is intermittent fasting actually good for weight loss?

Before — single model

One AI says yes, another says the studies are mixed. Neither cites sources. Who's right?

Click to see Crucible's answer →

Should our startup raise a Series A now or keep bootstrapping?

Before — single model

ChatGPT gives a generic 'it depends' answer. No real recommendation.

Click to see Crucible's answer →

Will AI replace most office jobs in the next 5 years?

Before — single model

Every AI either agrees with you or hedges. You can't tell if it's telling the truth.

Click to see Crucible's answer →

Simple pricing

Start free. Bring your own key. Or upgrade for more sessions and features.

Free

Free

  • 5 sessions/day
  • Up to 3 models
Try free

Bring Your Key

$5/mo

  • Unlimited sessions/day
  • Up to 6 models
  • Deep Research
  • Mode chaining
  • Use your OpenRouter key
Get Bring Your Key

Pro

$20/mo

  • 50 sessions/day
  • Up to 6 models
  • Deep Research
  • Mode chaining
Get Pro

Max

$99/mo

  • Unlimited sessions/day
  • Up to 6 models
  • Deep Research
  • Mode chaining
Get Max

Ready to fire up the Crucible?

Submit your first idea. Multiple models will steelman, red-team, and stress-test it — so you know where it breaks.

Ask your first question