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Lumbridge vs Cursor

A coding agent and editor: a desktop app, a terminal CLI and cloud agents that build, test and review code, with a choice of models. Lumbridge is the open engine a company runs on when agents do the work: terminals, mail, notes, library, voice and a software factory on your own machines.

Cursor

Pick Cursor if you want an editor with strong built-in agents and hosted cloud agents today, and a subscription that includes the models.

License not statedFree plan with limits; paid subscription plans for individuals, teams and enterprise. Checked 2026-11-10.

Lumbridge Not released. Built from source today.

Pick Lumbridge if you want agents, code and models to stay on your own hardware, and you work from terminals more than from an editor.

Open source · Apache-2.0All twelve repositories open on November 13, 2026.

01 · Side by side

What each covers.

From each product’s own pages, checked 2026-11-10
AreaLumbridgeCursor
Terminals and agentsCore, TUIPartly
Desktop appApp, ModsYes
PhoneMobilePartly
MailMailNo
Docs and code libraryLibraryNo
NotesNotesNo
Voice and speechVoice, SpeakPartly
Software factoryFactoryYes
Models and inferenceComputer, Lumbridge 1Partly
Whole engineAll twelve parts, on UbuntuNo
LicenseApache-2.0Not stated
PriceFree; model API by the tokenFree plan with limits; paid subscription plans for individuals, teams and enterprise
Written inMostly RustNot stated
Runs onUbuntu first; macOS for the desktop partsmacOS, Windows, Linux (x64 and ARM64); CLI; cloud agents from a browser or phone

02 · Honestly

Where Cursor is ahead.

  1. A full code editor. Lumbridge has no code editor; its App shows terminals and mod panels.
  2. Released on macOS, Windows and Linux with installers, and widely used.
  3. Cloud agents run on their own computers in parallel, start from a browser, phone or chat tools, and review pull requests.
  4. Its own models next to models from several providers, in one subscription.

03 · The difference

What Lumbridge adds.

  1. Self-hosted and open source: the factory, the terminals and the models run on machines you own.
  2. Core runs any terminal program, including other vendors’ agent CLIs, and keeps it running when the viewer closes.
  3. Mail and Library: agent-safe mail and a private docs and code warehouse.
  4. Computer serves open models on your own GPU box.
Lumbridge App
Lumbridge App changing shape: a divider is dragged, a pane is moved by its grip, the sidebar collapses, a changes panel opens, and two personal layouts are applied.Lumbridge App changing shape: a divider is dragged, a pane is moved by its grip, the sidebar collapses, a changes panel opens, and two personal layouts are applied.
Resize, move and rearrange. Then switch the whole window to a layout of your own.Open full sizeOpen full size

The App

Lumbridge Mail
Lumbridge Mail with a conversation open between the inbox and the assistant panel, which shows a summary, three action items with due dates and a box to ask your mail a questionLumbridge Mail with a conversation open between the inbox and the assistant panel, which shows a summary, three action items with due dates and a box to ask your mail a question
One conversation: labels, a one-line summary, and the assistant's action items beside it.Open full sizeOpen full size

Mail

04 · More

Other comparisons.

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