Nanbeige releases 3B agent model with Looped Transformer and previews 4.5 training

udmrzn · x · 2026-07-22

Nanbeige says it has released Nanbeige4.2-3B, a 3B agent model using Looped Transformer to raise capacity without adding parameters.

It also says Nanbeige4.5 is already in training, with LoopSplit, mHC + depth attention, and concatenated n-gram embeddings in the modeling code.

Related event: Nanbeige4.2-3B Released with Looped Transformer for Agent Capabilities(5 posts)→

Original post →

More from Models

Models channel →