PredictionHardwarePending

IonQ plans two linked chips with 20,000 physical qubits in 2028

Due 2028

IonQ says that in 2028 it will join two chips into one system with 20,000 physical qubits, linked by photonic (light-based) connections; its roadmap page lists 1,600 logical qubits (error-protected qubits built from many physical ones) for that year.

Predicted by

IonQ

Type

Official company roadmap

Said on

Jun 13, 2025

Original deadline

in 2028 (2028)

Status

Pending

See it on the timeline

Related

• IonQ promises over 10,000 physical qubits on a single chip by 2027 (due 2027)
• IonQ promises 2 million physical and 80,000 logical qubits by 2030 (due 2030)