LLM Reddit 3h ago 2 min read
A LocalLLaMA thread on March 18, 2026 pushed fresh attention toward Mamba-3, a new state space model release from researchers at Carnegie Mellon University, Princeton, Cartesia AI, and Together AI. The project shifts its design goal from training speed to inference efficiency and claims prefill+decode latency wins over Mamba-2, Gated DeltaNet, and Llama-3.2-1B at the 1.5B scale.