Granite 4.0 hybrid models: how IBM’s hybrid Mamba‑2/Transformer family slashes serving memory without sacrificing quality Intro — What are Granite 4.0 hybrid models? (featured‑snippet friendly answer) Answer: Granite 4.0 hybrid models are IBM’s open‑source LLM family that combines Mamba‑2 state‑space layers with occasional Transformer attention blocks and Mixture‑of‑Experts (MoE) routing to deliver long‑context performance while […]