Catalog — QPU record · IQM · Superconducting
IQM Emerald
IQM Emerald is a superconducting gate-based processor by IQM with 54 qubits (2025). Below: every publicly disclosed figure with its source, method, and vendor-claim status — plus what is not disclosed, recorded as findings.
Measurement records7 disclosed · 3 not disclosed · 3 sources
Select a figure to open its record
Qubit count (qubit_count_physical)54 qubitsvendor claim
Vendor claim
- Source
- New on IQM Resonance: IQM Emerald — almost 3x qubits for the same reliable quality · published 2025-08-05
- Method
- VENDOR_UNSPECIFIED
- Notes
- Confirmed by AWS Quantum Technologies Blog (2025-07-21): '54-qubit superconducting QPU'.
- Citation key
[iqm/iqm-emerald:qubit-count-physical:2026-08-19]
Two-qubit gate quality (two_qubit_gate_fidelity)median 99.5% (CZ); maximum up to 99.85% %vendor claim
Vendor claim
- Source
- New on IQM Resonance: IQM Emerald — almost 3x qubits for the same reliable quality · published 2025-08-05
- Method
- not stated on the page (benchmarking method not named); AWS notes up-to-date performance metrics on the Braket console device page
- Aggregation
- median across device; maximum also stated
- Notes
- AWS blog (2025-07-21) independently quotes 'median two-qubit gate fidelity of 99.5%' as early characterization data.
- Citation key
[iqm/iqm-emerald:two-qubit-gate-fidelity:2026-08-19]
Single-qubit gate quality (one_qubit_gate_fidelity)99.93% %vendor claim
Vendor claim
- Source
- Amazon Braket launches new 54-qubit superconducting quantum processor from IQM — AWS Quantum Technologies Blog · published 2025-07-21
- Method
- not stated (described by AWS as early characterization data)
- Aggregation
- median
- Notes
- IQM's own blog did not state a 1Q fidelity figure; this comes from the AWS launch blog.
- Citation key
[iqm/iqm-emerald:one-qubit-gate-fidelity:2026-08-19]
Benchmarks (benchmarks)Quantum Volume 64; GHZ entanglement across 25 qubits with state fidelity > 0.5; Q-score 24 (combinatorial optimization)vendor claim
Vendor claim
- Source
- New on IQM Resonance: IQM Emerald — almost 3x qubits for the same reliable quality · published 2025-08-05
- Method
- as stated on IQM blog; measurement protocols not detailed on the page
- Citation key
[iqm/iqm-emerald:benchmarks:2026-08-19]
Readout (readout_fidelity)not publicly disclosed
Not publicly disclosed — checked 2026-08-19
- Finding
- No public disclosure found. This is a recorded, dated finding — we do not substitute an estimate or borrow a figure from a sibling device.
- Sources queried
- IQM Emerald launch blog (iqm.tech, 2025-08-05); AWS Quantum Technologies Blog (2025-07-21); iqmacademy.com/qpu/emerald/ (JS-rendered, no data retrievable via fetch)
- Notes
- AWS notes up-to-date performance metrics are on the Braket console device details page (behind AWS login).
Coherence (coherence_times_T1_T2)not publicly disclosed
Not publicly disclosed — checked 2026-08-19
- Finding
- No public disclosure found. This is a recorded, dated finding — we do not substitute an estimate or borrow a figure from a sibling device.
- Sources queried
- IQM Emerald launch blog (iqm.tech, 2025-08-05); AWS Quantum Technologies Blog (2025-07-21); iqmacademy.com/qpu/emerald/ (JS-rendered, empty via fetch)
Gate duration (two_qubit_gate_duration)not publicly disclosed
Not publicly disclosed — checked 2026-08-19
- Finding
- No public disclosure found. This is a recorded, dated finding — we do not substitute an estimate or borrow a figure from a sibling device.
- Sources queried
- IQM Emerald launch blog; AWS launch blog; AWS Braket IQM device page
- Notes
- AWS Braket IQM page lists 20–40 ns 2Q gates but in Garnet's context; no Emerald-specific duration found.
Cloud access (cloud_access)Amazon Braket, AWS Europe (Stockholm) eu-north-1, available 19 hours/day (launched 2025-07-21; listed as active device arn:aws:braket:eu-north-1::device/qpu/iqm/Emerald in Braket's current device list, checked this session); IQM Resonance (added 2025-08-05, listed there under the Crystal 54 architecture)vendor claim
Vendor claim
- Method
- VENDOR_UNSPECIFIED
- Notes
- Braket launch details from AWS blog (2025-07-21); Resonance availability from IQM blog (2025-08-05).
- Citation key
[iqm/iqm-emerald:cloud-access:2026-08-19]
Pricing model (pricing_model_exists)Yes — Braket pay-as-you-go, Hybrid Jobs priority access, and Braket Direct hourly reservations; IQM Resonance tiers: Starter (free, up to 30 credits/month), Pay-as-you-go (from $0.30/sec), Skip-the-queue (contact sales)vendor claim
Vendor claim
- Source
- Amazon Braket launches new 54-qubit superconducting quantum processor from IQM — AWS Quantum Technologies Blog · published 2025-07-21
- Method
- VENDOR_UNSPECIFIED
- Notes
- Resonance tier details from https://www.iqm.tech/products/iqm-resonance (fetched this session).
- Citation key
[iqm/iqm-emerald:pricing-model-exists:2026-08-19]
Release year (release_year)Launched on Amazon Braket 2025-07-21; added to IQM Resonance by 2025-08-05vendor claim
Vendor claim
- Source
- Amazon Braket launches new 54-qubit superconducting quantum processor from IQM — AWS Quantum Technologies Blog · published 2025-07-21
- Method
- VENDOR_UNSPECIFIED
- Citation key
[iqm/iqm-emerald:release-year:2026-08-19]
QPU137 is independent and is not affiliated with, endorsed by, or sponsored by IQM. Figures above are public disclosures recorded with their sources on 2026-08-19; vendor claims are labeled as such and may not be directly comparable across measurement methods — see methodology.