What’s new
What changed in Atelier, dated and marked honestly: what is in the free public preview, what runs in our studio build, and what is still being worked on.
The free public preview was updated on 7 November 2026. Atelier can now follow the context window your own AI engine reports. It is open source and off by default.
- Public previewIn the free, open-source preview on GitHub.
- Studio buildRunning in our own studio build. It moves into the preview once it is proven.
- In progressBeing built or trained. Not ready yet, and we say so.
Week of 7 November
- Public preview
Context window from your engine
Atelier can ask your own AI engine, on your computer or your private network, which context window it really serves, and follow it without a restart. It is an optional module, off by default, sends read-only requests, never asks internet hosts unless you list them, and logs every change. How to turn it on.
Public previewModel lists show the real window
When Atelier lists the models on a llama.cpp-style server, it now reads the context the server actually loaded, not the length the model was trained on.
Studio buildChanges without a restart
Edits to model connections, presets and the interface now take effect in about two seconds while Atelier keeps running. A full restart used to take over a minute.
Studio buildA sturdier start
A tool connection that stops answering can no longer hold up Atelier’s start; it is retried in the background. Leftover helper processes are cleaned up, and a watchdog records any stall.
Studio buildSafer context windows
When an engine reports its window, Atelier only lowers the window it uses by default, never raises it.
Studio buildMission control, one card per engine
Every AI engine now has its own card with its real load, speed, queue and draft acceptance, read from the machine doing the work.
Studio build16 interface fixes
The chat footer names the model that is really answering, the permission menu has icons and aligned rows, long titles end neatly after two lines, the plugins page offers Retry instead of loading forever, and clocks use 24 hours.
Studio buildFreeCAD guardrails for small models
A small model working in FreeCAD can only change what its own chat made, works in one document, leaves nothing behind when a step fails, and stops at a call limit. A slim setup cuts the first step’s input from about 17,000 tokens to about 1,200, with short tested how-to cards.
Studio buildTwo buildings, built in FreeCAD
Working through Atelier, a local model built a small house and a garden pavilion in a live FreeCAD session. Both passed the clash check, and an independent review caught an off-centre window, which the model then fixed. These are simple massing models, not finished architecture.
Studio buildAIT Asset Library, a desktop app
Our asset library as a desktop app for Windows and Linux: browse by architecture category, preview each model at real scale, check it in lit interior and plaza scenes, and export GLB, FBX, OBJ, USD or USDZ with the credits written inside every file.
Studio buildMore context on the same card
A new compression for the small model’s working memory fits about 21% more context on the same graphics card. In our long-context tests it matched 8-bit accuracy; it is still under review.
Studio buildDesign apps brought current
The companion design apps Atelier works with were brought up to date, each tool tested with a real call, and one broken app was rebuilt and fixed.
Studio buildOne update source for every studio machine
Our Windows and Linux machines now update from one place. Every file is checked against its published checksum, and updates run quietly in the background.
In progressA small FreeCAD model, trained on our own work
We are training a small 4-billion-parameter model on FreeCAD work from our own projects only. The current round passed a real slab, stair-opening and column task in a live chat, and 7 of 24 multi-step test tasks. It cannot build a whole house yet.
In progressA street context kit
Simple context models for street scenes (buildings, street lamps, intersections) are in review. They are low-detail context only and not released.
Described in chat, built in FreeCAD
AIT Asset Library
Not ready yet
Most of this week’s work runs in our studio build first. The small FreeCAD model is still weak at multi-step work, the FreeCAD buildings are massing only, and the street kit is not released. Each feature moves into the free preview once it is proven.
The public preview is open source at github.com/arcitech-psp/atelier. Atelier is built on DeepSeek Harness by DeepSeek-AI (MIT licence).