Ask once. Compare the best AI models. Get a clearer answer.
Prism sends one prompt to leading models from OpenAI, Anthropic, Google and Perplexity, compares them blind, and shows the strongest response, where they agree, and where they differ. When there isn't a clear winner, Prism says so.
All four converged
blind, in parallel
High confidence
Models from OpenAI · Anthropic · Google · Perplexity — availability varies by plan
The smartest answer isn't from one AI — it's from all of them.
Prism reads every model's answer, scores them against each other, and writes one verdict — with the agreements, the disagreements, and an honest “no clear winner” when that's the truth.
Ask, compare, decide — in one calm loop.
Good evening.
Asking everyone
Tap a color to chat with just that model
I have 365 days to completely change my life. Create the most ambitious—but realistic—plan possible.
Pick models, type once, send.
Four models answer in parallel, blind.
One answer, scored and sourced.
Screens 2–3 are real captures from the Prism app.
Start free. Upgrade for the frontier models.
Free
Everyday answers from fast models
Always free
- 10 asks a month
- GPT, Claude, Gemini & Perplexity
- Full honest verdict & history
Pro
The frontier roster + a stronger judge
billed yearly · 2 months free
- Frontier models from OpenAI, Anthropic, Google & Perplexity
- A stronger judge for deeper verdicts
- Chat, attachments & synced history
Max
Everything, deeper verdicts, headroom
at v1.0 · billed yearly
- Deep synthesis — the strongest judge
- Extended verdicts & more frontier headroom
- Everything in Pro
Every plan gets Prism's honest verdict — blinding and “no clear winner” are never paid features. Beta sells Free & Pro; Max opens at v1.0.
Where Prism goes next.
A focused roadmap — the verdict engine gets deeper before it gets wider.
- v1.0
Frontier roster & Max
The strongest model from each provider + deep synthesis.
- Next
Shared web verdicts
Send a read-only verdict link — no account needed.
- Later
Multi-turn compare
Follow up without losing the thread — the path to agents.
- Later
Android & web
iPhone and iPad ship today — Android and web come next.
Be first in when the private beta opens.
Join the waitlist for a private beta invite. One email when it opens — no spam.
Free to join the waitlist · plans start free once the beta opens — no card to get in line.