Researchbreaking
Ai2 Releases BAR: Modular MoE Post-Training for LLM Domain Updates
Ai2 releases BAR (Branch-Adapt-Route): modular MoE post-training with +16.5 coding and +13 math on BAR-5x7B, linear per-domain update cost. Apache 2.0, full checkpoints.
May 3, 20261 min read