The agent runs live on GPT-6.1 Terra
The in-app agent now runs on OpenAI's GPT-6.1 Terra with the project's own key. GPT-6 models go through OpenAI's Responses API, the only one that takes tools with reasoning for them, so the agent reasons about the design while it calls the modelling commands.
Tested live from one sentence: "an aluminium mounting bracket, an 80 × 40 mm plate, 20 mm thick, with R2 fillets on the four vertical corner edges and four M6 clearance holes, 60 by 24 mm apart, centred". The agent planned, sketched, extruded, drilled four M6 clearance holes, filleted the four edges and ran the physics check in 81 seconds. The part it built is exactly the closed-form volume, 61,194.37 mm³, the same as the one built by hand.
Older OpenAI models keep the Chat Completions path. OPENAI_MODEL picks the model and OPENAI_API_STYLE can force either path.
- Improved
- Agent on GPT-6.1 Terra (Responses API, medium reasoning)
- Shipped in
b083b40