Issue 6, Jun 14, 2026
The Time-Arrow Inversion
Senior AI Engineer interview at Anthropic, and the interviewer asks:
“How does the formulation of time and noise in Flow Matching fundamentally differ from standard DDPMs?”
Why treating Flow Matching as just a continuous diffusion model exposes you as an architecture tourist, and how flipping the timeline changes the entire training objective from passive denoising to a
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The full answer, with the mechanism and the arithmetic, is for paid subscribers on Substack.