Architecture of Thinking: Fast and Slow

Paradox: Millisecond response vs. seconds of deep thought. Three options: (1) fast thinking responds with a pretext after 500ms, slow thinking takes 5-10 seconds and gives a complete answer – risks of overthinking and inconsistency; (2) fast interacts, slow suggests via status line – GPT-Live, Pine AI, “Think Fast”: fast plan in the foreground, reasoning model in the background, transfer via a compact text channel; (3) unity of thinking and expression – Step-Audio R1: “think as I speak”, two brains (thought formulation and speech articulation) work in parallel as a pipeline. Separation in 1-2 does not depend on the end-to-end architecture; option 3 embeds thinking into the model.

Related: [Full Duplex], [Agent Status Line], [Voice Paradigms]