IBM ibm_boston vs IBM ibmq_athens

Side-by-side comparison over the metrics both devices report. Values come from different sources with different methodologies — mind the provenance badges; vendor-reported figures are manufacturer claims.

Metric IBM ibm_boston
IBM · Apache-2.0
IBM ibmq_athens
IBM · Apache-2.0
Best 2Q fidelity (higher better) 0.999345 0.992041
Median 2Q error (lower better) 0.00127713 0.0145972
Median readout error (lower better) 0.00512695 0.0153
Median T1 (µs) (higher better) 292.44 µs 63.488 µs
Median T2 (µs) (higher better) 352.97 µs 112.23 µs
Captured: 2026-04-17 (ibm_boston) · 2021-03-15 (ibmq_athens). Full histories: ibm_boston · ibmq_athens · leaderboard.