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Keep it yours.

Your intelligence. Your data. Your control.
Karsus AI builds private, fine-tuned AI that runs on your phone and inside your company's own systems.

Your intelligence.Models tuned to you, not to everyone.
Your data. Your control.It stays home. Nothing leaves without your tap.

Their cloud

NOT

Most AI sends your messages, documents and plans to someone else's servers. Karsus builds AI that comes to you instead, and stays there.

your texts, your inbox, your client files…
…coming back home.

1 / 3 · LOCALRuns on your phone, your laptop or your company's own servers. No round trip to someone else's cloud.

2 / 3 · FINE-TUNEDEach model is trained for one person or one institution, and for the tasks it actually has to do.

3 / 3 · PRIVATE INFERENCEOnly the request you approve ever goes online. Names, addresses and memories stay behind the wall.

Hung out to dry,
never out to the cloud.

Own your AI.

Mission

We help individuals and enterprises use AI that adapts to their needs and runs inside environments they control, delivering real value without sending sensitive data to outside servers.

Vision

Powerful AI that doesn't depend on centralised cloud, running securely on personal devices and enterprise systems, so people own their data, their models and their workflows.

Meet Ash.

Ash, a cheerful wizard with a long beard, raising a wand
Weave.Plans, calendars, grocery carts and routines.
Conjure.Emails, replies, lessons and gift ideas.
Recall.People, dates and the things you said.
Lives on your iPhone.No account. Works offline. In development.
Example data · Ash's design · nothing is sent
9:41●●●
AshHere with you
Tell Ash…↑
Ash opens on your day.

Weave, Conjure and Recall up top, the day ahead below.

Inside the app

Spellbook, routines, bills, rides, packing lists and gifts, from the Ash design. Example data. Hover to pause.

Ask first.

Stays on the phone.Chats and memories never reach our servers.
No accounts.Nothing to sign up for, nothing tied to you.
No trackers.No analytics, ads or third-party crash reporters.
Your tap first.Nothing sent, booked or added before you confirm.
Lookups off by default.When on, each one is listed. Names and addresses are blocked.
Synthetic training data.Ash never learned from real user chats.

Three products.

One idea, three buildings: private, fine-tuned AI. Tap one.

AshPrivate AI companion · in development AtlasPrivate Knowledge Intelligence · architecture and planning AegisIntelligent Model Risk Management · architecture and planning

Atlas

Private Knowledge Intelligence

Your documents, research and internal knowledge, finally talking to each other.

Atlas reads across everything your team keeps, finds what matters and pulls it together into answers you can act on, inside environments you or your organisation control.

  • Ask questions across papers, reports, wikis and files
  • Summaries and syntheses grounded in your own sources
  • Document analysis and side-by-side comparison
  • Knowledge workflows you can customise
ForResearchers, professionals, enterprisesStageArchitecture and planning

Aegis

Intelligent Model Risk Management

Model risk work, without the busywork.

Secure, intelligent automation for the whole model risk lifecycle, built for financial institutions and deployed privately on their own systems.

  • Less repetitive manual work, more consistent reviews
  • Human oversight and a full audit trail at every step
  • Model development and validation kept separate
  • Fits institution-specific workflows and controls
ForBanks, MRM and validation teams, quantsStageArchitecture and planning
THE LIFECYCLE AEGIS SUPPORTS
  1. Model development support
  2. Independent validation
  3. Documentation
  4. Testing
  5. Regulatory compliance workflows
  6. Ongoing monitoring
  7. Governance

Inside your walls.

01 · Custom fine-tuning

Models trained on your domain.

Your documents, terminology and tasks, so answers follow your standards. This is how Atlas and Aegis are tailored to each organisation.

02 · Private inference

Runs on your own infrastructure.

Under your access controls, with no shared cloud model in the loop. Sensitive data never leaves the building.

03 · Specialised workflows

Built around how your teams work.

People stay in charge of every decision, with a record of what the system did and why.

Talk to us about a pilotRevisit Atlas

Built by two.

Bipasha GoswamiLinkedIn ↗
Ishan BhardwajLinkedIn ↗
Co-founder.Tap a photo for colour.
Co-founder.Model, product and the app.

Between us we cover the model and the product: training, evaluation, on-device inference and the app experience.

Contact

Say hello.

founders@karsus-ai.com
Watch the demo again
Early access to AshPilots for Atlas and AegisPartners and investors