Alpha Core
Code, debugging and system architecture.
About QSI
QSI is an SI (synthetic intelligence) assistant made in India. Chat with it, talk to it, or ask it about your photos and documents, in English or any of the 22 scheduled Indian languages.
What QSI is
QSI stands for Quantum Synthetic Intelligence. It is an SI (synthetic intelligence) assistant, which means an AI assistant. It works in your web browser at quantumsi.in, on your phone or your computer. You can use it as a guest, or log in free with your email for higher daily limits.
“Quantum” is part of our name only. QSI does not run on quantum computers. How its answers are made is explained under How QSI answers.
QSI is free to use within daily limits. A paid plan, QSI Pro, is launching soon for people who use QSI a lot.
Six specialist agents
QSI has six agents, each set up for one kind of task. Leave it on Auto and QSI picks the best agent for each message, or choose one yourself.
Beta Mind
Research, reasoning and analysis.
Gamma Link
Live web search, with links to sources.
Delta Shield
Fact-checking, safety and error correction.
Epsilon Flow
Writing, polishing and pulling answers together.
Zeta Grid
Task mapping and planning.
Agent Swarm. For bigger tasks, switch to Agent Swarm. Zeta Grid splits your task into steps, the specialist agents work on them in parallel, Delta Shield can review the work, and Epsilon Flow combines it into one answer. You can watch every step live.
The agents are parts of QSI, not people. Like the rest of QSI, they are AI and can make mistakes.
What you can do with QSI
Chat
Ask questions, write and rewrite, study, plan your day or think a problem through. QSI keeps track of the recent conversation, so you can ask follow-up questions.
Photos and documents
Attach photos, take one with your camera, or add PDFs, Word documents, Excel sheets, PowerPoint slides, text and code files. Ask about them in English or an Indian language, and QSI answers from what they contain.
Web search
For news, prices, weather and other up-to-date questions, QSI can search the web and show links to its sources. Leave it on Auto, or turn it on or off.
Voice input
Tap the mic and speak instead of typing. QSI turns what you say into text for your message.
Read aloud
Listen to any answer in a natural QSI voice, or in your browser’s own voice.
Live voice
Talk with QSI in real time and interrupt it whenever you like. It replies in the language you speak. Guests get 3 minutes a day and free members 15 minutes a day.
Logged-in members can also ask it to search the web and to show steps, lists, drafts or links as cards on screen.
Indian languages
Chat and talk in English, all 22 scheduled Indian languages and many other languages, on every plan.
The 22 scheduled languages of India are Assamese, Bengali, Bodo, Dogri, Gujarati, Hindi, Kannada, Kashmiri, Konkani, Maithili, Malayalam, Manipuri, Marathi, Nepali, Odia, Punjabi, Sanskrit, Santali, Sindhi, Tamil, Telugu and Urdu. English and Hindi work best. The other Indian languages are best effort and may be less accurate.
How QSI answers
We design, build and run QSI: its six agents, Agent Swarm, its voice features and its daily limits. The answers, the voices and the reading of your photos and documents come from AI models offered by AI service providers, which we use through their developer services. These providers do not run QSI.
To see what each provider receives and how long it may keep it, read section 3 of our Privacy Policy. You can ask us for the providers’ names at privacy@quantumsi.in.
Our approach
Privacy first
- Your chat history is saved only in your browser, on your own device. Our server does not store your chats, and you can delete them at any time.
- To answer you, your messages are sent to the AI services we use. Our main AI service provider may keep them for up to 30 days to check for abuse and misuse. The backup service and its model hosts follow their own policies, as section 3 of our Privacy Policy explains. We do not use your chats to train AI models.
- No ads, no analytics and no tracking. We don’t sell your data. The only cookie QSI sets is a login cookie, and only if you log in.
- Accounts are optional. You can use QSI as a guest. Logging in gives you higher daily limits.
The Privacy Policy explains exactly what is sent where and what is kept.
Made in India, for India
QSI is made in India and run by a company based in Nagpur, Maharashtra. It speaks Indian languages, shows prices in rupees with GST included, and resets its daily limits at 5:30 AM IST.
Honest about AI
QSI is an SI assistant, and like any AI it can make mistakes. Answers can be wrong, incomplete or out of date, so please check anything important yourself. For health, legal or money decisions, get advice from a qualified professional.
The note under the message box says: “QSI is an AI. By using it, you agree to our Terms and Privacy Policy. Chats may be reviewed and used to improve interaction.” Here is what that means.
Clear limits
Free use has daily limits, so QSI stays fast and affordable for everyone. The current limits are always on the Pricing page, and we show any change there first.
Plans and pricing
Guest
₹0
No account needed. Daily limits apply, for example 30 chat messages and 3 minutes of live voice a day.
Free member
₹0
Log in free with your email. Much higher daily limits, for example 300 chat messages and 15 minutes of live voice a day, plus web search and cards in live voice.
QSI Pro Launching soon
₹799 / month
or ₹7,999 a year, GST included. Higher daily limits for daily and heavy use, plus 35 extra minutes of live voice a month. It can’t be bought yet.
Planned QSI Pro prices include 18% GST: ₹677.12 + ₹121.88 GST a month, or ₹6,778.81 + ₹1,220.19 GST a year. The Pricing page always shows the current prices and limits. Daily limits reset at 5:30 AM IST and may change. QSI is meant for people aged 18 or over.
When you buy QSI Pro
- Delivered online, nothing shipped: QSI is an online, digital-only service. Nothing is shipped. Pro is added to your QSI account instantly online after payment. See our Shipping & Delivery Policy.
- Cancel any time: cancel whenever you like, with no cancellation fee. Pro stays active until the end of the period you have paid for, and then your account simply returns to the free member limits.
- 7-day refund on your first payment: if Pro isn’t right for you, ask within 7 days of your first Pro payment and we refund it in full.
- After that, renewals are not refunded for part of a period, but you can cancel so the next renewal doesn’t happen.
- Failed, duplicate or wrong charges are always refunded. Refunds go back to the original payment method.
The full rules are in our Refund & Cancellation Policy.
Who runs QSI
QSI is run by Quantum Synthetic Intelligence Private Limited, a unit of Pagariya Group. It is a private limited company incorporated in India on 16 June 2026 under the Companies Act, 2013, with its registered office in Nagpur, Maharashtra.
When our pages say “QSI”, “we” or “us”, they mean this company.
- Legal name
- Quantum Synthetic Intelligence Private Limited
- Trade name
- QSI
- Group
- A unit of Pagariya Group
- Company type
- Private limited company, incorporated in India on 16 June 2026 under the Companies Act, 2013
- CIN
- U62099ME2026PTC475278
- GSTIN
- 27AABCQ2877M1ZV (Maharashtra)
- Registered office
- Plot No. 19, 2nd Floor, H.No. 1256, Great Nag Road, Hanuman Nagar, Nagpur – 440024, Maharashtra, India
- Website
- quantumsi.in
Contact us
General questions
Privacy and your data
Grievance Officer
Mr. Mukesh Padole
Please never send us passwords, login codes, UPI PINs or card numbers. We will never ask for them.