Checks its own work
Claims are verified against the sources it cites. What cannot be confirmed is flagged instead of asserted.

LanternApps
Ask for any document. It researches, writes, cites and checks the facts.
Kvinta turns a request into a finished document: a letter, an email, an essay, a report, an article, a story or a script.
Say what you need in your own words. It asks the two or three questions that matter, researches the web where facts are needed, and writes the whole thing with sources you can open.
Ask in your own words
The questions that matter
A letter to my landlord asking to fix the heating before winter, polite but firm.
Reply to this client email: we need two more weeks, and explain why without sounding defensive.
How does a heat pump compare with a gas furnace on running costs in a cold climate?
A bedtime story about a firefly who is afraid of the dark, for a four-year-old.
A two-page report on our Q3 support tickets from this spreadsheet, with the three biggest problems.
A 1,000-word essay on why the Blue Ridge looks blue, with sources.
A blog post in Spanish about planning a first trip to Yosemite in spring.
A three-minute best-man speech: funny, not embarrassing, ending on something heartfelt.
Check the facts in this article draft and tell me which claims are not supported.
Claims are verified against the sources it cites. What cannot be confirmed is flagged instead of asserted.
Attach PDFs, Word files, spreadsheets, photos or screenshots and it works from them.
Speak your request instead of typing it.
Describe a picture and get one, in the size and format you need.
Nineteen output languages, chosen per document.
Lightning for a quick draft, Fast for a solid one, Balanced for the researched version.
Letters, done properly.
The email you keep putting off.
Answers you can check.
Stories with a beginning, middle and end.
Reports with real structure.
Essays that show their sources.
Articles in nineteen languages.
Scripts, speeches and toasts.
It checks its own work.
Kvinta is a monthly subscription with a usage allowance. Plans renew automatically until cancelled; manage or cancel any time in your store account settings.
Yes. Your chats and documents stay in sync across your phone, tablet and desktop.
No. Your requests go to our AI providers only to produce your result, and are not used for training.
Delete any chat from the chat list, or everything at once in Settings → Account → Delete account.