Overview
- Nighthawk is a 120‑qubit processor with 218 tunable couplers that IBM says enables about 30% greater circuit complexity and workloads up to 5,000 two‑qubit gates.
- Loon debuts as an experimental testbed that integrates long‑range and out‑of‑plane connectivity to demonstrate hardware elements needed for scalable error correction.
- IBM moved primary quantum processor fabrication to a 300 mm wafer line in Albany, a shift the company says doubles development speed and increases chip complexity tenfold.
- The company reports sub‑480‑nanosecond real‑time error‑syndrome decoding using qLDPC approaches, positioning the control stack for practical error‑correction experiments.
- An open quantum‑advantage tracker launched with Algorithmiq, the Flatiron Institute, and BlueQubit invites community benchmarking, with Nighthawk access expected by end‑2025.