IBM ibm_torino vs Quantinuum h2-2

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_torino
Metriq · CC-BY-4.0
Quantinuum h2-2
Metriq · CC-BY-4.0
EPLG (error/layer) (lower better) 0.00550723 0.00179932
QAOA approx. ratio (higher better) 0.45597 0.801751
Captured: 2026-02-19 (ibm_torino) · 2026-01-23 (h2-2). Full histories: ibm_torino · h2-2 · leaderboard.