DeepSeek V4.1 Flash forward pass walkthrough shows new efficiency tricks

Thom_Wolf · x · 2026-09-10

Thom Wolf (co-author of Transformers library) weighs in on DeepSeek's new V4.1 Flash, saying it follows DeepSeek's tradition of many clever efficiency optimizations while staying highly capable. He shares a detailed video walkthrough of the forward pass showing what happens inside the model during inference.

Related event: Thom Wolf Breaks Down DeepSeek V4.1 Flash Forward Pass(2 posts)→

Original post →

More from Models

Models channel →