State of Quantum Hardware

A cross-vendor ranking of quantum devices, built from the public corpus of calibration snapshot s. Switch the ranking metric below; lower error and higher T1/T2 coherence are better. How the corpus works →

Median 2Q error Best 2Q fidelity Median T1 (µs) Median T2 (µs)
Rank Provider Backend median_t1_us Captured
#1 ibm ibm_quebec 301.79 2024-06-01T00:00:00+00:00
#2 ibm ibm_osaka 287.31 2024-06-01T00:00:00+00:00
#3 ibm ibm_sherbrooke 278.42 2024-06-01T00:00:00+00:00
#4 ibm ibm_brisbane 231.95 2024-06-01T00:00:00+00:00
#5 ibm ibm_kyoto 220.66 2024-06-01T00:00:00+00:00
#6 ibm ibm_kawasaki 193.77 2024-06-01T00:00:00+00:00
#7 ibm ibm_torino 184.99 2024-06-01T00:00:00+00:00
#8 ibm ibm_hanoi 137.54 2024-06-01T00:00:00+00:00
#9 ibm ibm_mumbai 111.93 2024-06-01T00:00:00+00:00
#10 ibm ibm_cairo 96.95 2024-06-01T00:00:00+00:00