IBM ibm_aachen vs IBM ibmq_jakarta

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_aachen
IBM · Apache-2.0
IBM ibmq_jakarta
IBM · Apache-2.0
Best 2Q fidelity (higher better) 0.999308 0.993908
Median 2Q error (lower better) 0.00141979 0.00900336
Median readout error (lower better) 0.00738525 0.0253
Median T1 (µs) (higher better) 232.35 µs 117.51 µs
Median T2 (µs) (higher better) 255.43 µs 34.23 µs
Captured: 2026-04-17 (ibm_aachen) · 2024-05-27 (ibmq_jakarta). Full histories: ibm_aachen · ibmq_jakarta · leaderboard.