The best detail is often elsewhere
Another AI may have the one sentence, caveat, example, or recommendation that fits your case better.
Ask once. Compare every AI.
One prompt. Every AI. Side by side.
Qorpus sends one prompt to ChatGPT, Gemini, Claude, Perplexity, and Grok — major AIs you already use. Compare where they agree and where they don't, right in your desktop browser.
Install once from the Chrome Web Store. Works in Chrome, Edge, Brave, Comet, and Samsung Internet.
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One AI answer leaves too much on the table
Most AI answers are useful. That is the problem: the first polished answer can anchor your thinking before you see the better caveat, sharper wording, cleaner code path, or safer recommendation another AI would have caught.
Anchoring on one AI
A confident first draft feels complete, so you stop looking for better assumptions and trade-offs.
Real stakes need a second view
For money, health, code, research, buying, or planning, missed details can cost more than the extra check.
Why compare AI answers?
Don't compare AIs because they are dumb. Compare them because they are different. Qorpus shows what each model catches so you can keep the strongest parts and verify the weak ones.
Capture the missing piece
ChatGPT may structure it best. Claude may phrase it better. Gemini or Perplexity may surface a constraint. Grok may add a timely angle.
Expose assumptions
One AI optimizes for cheapest, another for safest, another for fastest. Seeing those frames side by side makes the trade-off obvious.
Check high-stakes claims
AI citation and news-answer studies still show major error rates. Agreement helps; outliers tell you exactly what to verify.
Skip the tab work
Ask once from the compare dock or extension. No more copy-pasting the same prompt across AI tabs.
Compare major AIs at once
Qorpus works with the AIs you already use. Sign in with your existing accounts — no API keys, no proxy.
ChatGPT
Gemini
Claude
Perplexity
Grok
Built for complex asks
Research, writing, coding, and planning & recommendations — especially when AIs can disagree in useful ways.
Research
Literature reviews, investment theses, medical research orientation, and policy analysis with caveats exposed.
Writing
Funding proposals, patent-style drafts, legal memos, blog posts, and scientific paper sections.
Coding
Architecture, boilerplate, LaTeX, debugging, security, and production trade-offs side by side.
Planning & recommendations
Trips, budgets, schedules, and launches — plus products, providers, and purchases under budget or constraint pressure.
Frequently asked questions
Do I need API keys?
No. Qorpus uses your existing AI accounts in the desktop browser. Sign into ChatGPT, Gemini, Claude, Perplexity, and Grok as you normally would.
How is Qorpus different from a chatbot?
A chatbot gives one perspective. Qorpus is a comparison layer for AI answers — one prompt, every major AI, side by side in your desktop browser. Read more.
Where does my data go?
Qorpus runs in your desktop browser. Comparisons use your existing sessions — not a proxy API. Your data stays on your device.
Which desktop browsers are supported?
Install the Chrome extension from the Chrome Web Store. It works in Chrome, Edge, Brave, Comet, and Samsung Internet. See the install guide.
Which AIs does Qorpus compare?
ChatGPT, Gemini, Claude, Perplexity, and Grok — with more AIs planned. See how comparison works on the compare hub.
Ask once. Compare every AI.
Use the prompt bar below to try Qorpus, or install the extension to compare answers from any page.