Teddy Warner]’s GPenT (Generative Pen-trained Transformer) project is a wall-mounted polargraph that makes plotter art, but there’s a whole lot more going on than one might think.

OpenAI's new GPT-5.3-Codex-Spark promises ultra-fast, conversational AI coding, if you can tolerate a few trade-offs.

To save a prompt as a model, select the prompt from the sidebar, then click the Settings icon in the top-right of the Reins window. In the resulting pop-up, click "Save as a new model," which will ...