A personal AI agent
A personal AI agent that works only with your keys, in your apps, on your phone — and asks before it acts.
The short version
The agent runs in the cloud, without needing your phone to run — it works on a model key you already own. Your model bill stays yours, at your key's price. No bundled tokens, no per-run fees. When a model company prices you out, the agent stays yours.
Everything starts read-only. Drafts wait in your outbox until you tap send. Anything sensitive pauses and comes to your phone as an approval card — approve, deny, or undo. The gates are enforced by the service, not decided by the model.
Set a skill on a schedule — a morning brief before coffee, a Friday tidy of your inbox. It works while you are away from the phone and leaves you a receipt of everything it did.
Three steps
Use the model key you already pay for. Two minutes, no new accounts, no credit card.
Gmail, Calendar, Todoist, Notion and more. Every connection starts read-only and keeps its own kill switch.
Drafts, schedules and lists land on your phone. One tap approves. Every action can be undone.
Showcase skills
Mail and calendar, distilled into one read before coffee.
Your day's list, re-ordered around what is actually due.
Bookings and itineraries, pulled out of your inbox.
A dinner recipe, turned into a sorted shopping list.
A plain question — can you meet on Tuesday? — answered from your calendar and tasks.
Pricing
Bartimaeus is in private testing — not yet open to the public.
£0/month
Everything starts read-only. Try the approvals without spending a penny.
£5/month
The agent that gets things done, on your schedule.
More tiers coming. On the App Store, Premium is £5.99 a month or £59.99 a year. You bring your own model key; the model bill is always yours, at your key's price.
Questions
Not yet. Bartimaeus is in private testing — not yet open to the public. Closed-beta places go to waitlist members first: join the waitlist and you will get one email when your spot opens.
Free to start: 30 minutes of active compute a month, your own AI key, write access through approvals — no scheduled runs, no browser tool. Premium is £5.00 a month on the web (£5.99 on the App Store) for scheduled skills, the browser tool and up to eight session-hours a day; the annual plan is £50 a year, two months free. On both tiers, the model bill stays yours, at your key's price.
Bartimaeus is bring-your-own-key: you connect a model key from a provider you choose — DeepSeek, Claude, GPT, Gemini, OpenRouter, anything you bring. Your key pays for the thinking; Bartimaeus does the doing. That is why Premium costs £5.00 a month instead of $20 or more: no bundled tokens, no per-run fees.
No. Read-only by default: Gmail drafts stay drafts until you tap send, anything sensitive pauses and asks on an approval card, every action has a receipt you can undo, and every connection has a kill switch. The gates are enforced by the service, not decided by the model.
In the cloud, in its own isolated container. Sessions exist only while work is happening and stop when it is done — always available, never always on. A scheduled skill can get the work done while your laptop, and your phone, are out of reach.
Your own accounts: Gmail, Google Calendar, Todoist, Reminders, Notion and more — every connection starts read-only, with its own kill switch. Premium adds a sandboxed browser tool for the sites that have no API.
Join the waitlist below. Closed-beta places go to waitlist members first — one email when your spot opens.
Waitlist
Closed-beta places go to waitlist members first. One email when your spot opens.
Only launch news. Nothing else.