IBM ibm_pittsburgh vs Rigetti cepheus-1-108q
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_pittsburgh
IBM · Apache-2.0
|
Rigetti cepheus-1-108q
Metriq · CC-BY-4.0
|
|---|---|---|
| EPLG (error/layer) (lower better) | 0.0027295 | 0.00204942 |
| QAOA approx. ratio (higher better) | 0.569502 | 0 |
| QFT accuracy (higher better) | 0 | 0.001 |
Captured: 2026-04-17 (ibm_pittsburgh) · 2026-08-05 (cepheus-1-108q).
Full histories: ibm_pittsburgh ·
cepheus-1-108q ·
leaderboard.