100 lines
4.3 KiB
Plaintext
100 lines
4.3 KiB
Plaintext
---
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title: Retired systems
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description: A list of IBM Quantum systems that are now retired
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---
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# Retired systems
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The following IBM Quantum™ systems have been retired. For the full list of available systems, see the [Compute resources page.](https://quantum.ibm.com/services/resources?services=systems) By default, the information is shown in the card view, but you can use the view switchers () at the top right to change to a sortable table view.
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<Admonition type="note">
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To retrieve jobs from a retired system, see [these instructions.](#retrieve)
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</Admonition>
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| System name | Qubit count | Retirement date (Year - month - day) |
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| ----------------- | ----------- | --------------- |
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| ibm_algiers | **27** | 2024-04-30 |
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| ibm_cairo | **27** | 2024-04-30 |
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| ibm_hanoi | **27** | 2024-04-30 |
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| ibmq_kolkata | **27** | 2024-04-01 |
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| ibmq_mumbai | **27** | 2024-04-01 |
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| ibm_ithaca | **65** | 2024-01-24 |
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| ibm_nairobi | **7** | 2023-11-28 |
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| ibm_lagos | **7** | 2023-11-28 |
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| ibm_perth | **7** | 2023-11-28 |
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| ibm_auckland | **27** | 2023-11-09 |
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| ibmq_guadalupe | **16** | 2023-10-27 |
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| ibmq_lima | **5** | 2023-09-26 |
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| ibmq_belem | **5** | 2023-09-26 |
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| ibmq_quito | **5** | 2023-09-26 |
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| ibmq_manila | **5** | 2023-09-26 |
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| ibmq_jakarta | **7** | 2023-09-26 |
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| ibm_seattle | **433** | 2023-09-07 |
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| ibm_washington | **127** | 2023-06-03 |
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| ibmq_oslo | **7** | 2023-05-04 |
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| ibmq_geneva | **27** | 2023-05-04 |
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| ibmq_montreal | **27** | 2023-04-11 |
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| ibmq_toronto | **27** | 2023-04-11 |
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| ibmq_armonk | **1** | 2022-07-07 |
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| ibmq_brooklyn | **65** | 2022-06-28 |
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| ibmq_bogota | **5** | 2022-06-17 |
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| ibmq_santiago | **5** | 2022-06-17 |
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| ibmq_casablanca | **7** | 2022-03-02 |
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| ibmq_sydney | **27** | 2022-01-11 |
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| ibmq_dublin | **27** | 2021-11-16 |
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| ibmq_manhattan | **65** | 2021-09-22 |
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| ibmq_5_yorktown | **5** | 2021-08-09 |
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| ibmq_16_melbourne | **15** | 2021-08-09 |
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| ibmq_paris | **27** | 2021-06-30 |
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| ibmq_rome | **5** | 2021-06-30 |
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| ibmq_athens | **5** | 2021-06-30 |
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| ibmq_berlin | **27** | 2020-12-31 |
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| ibmq_boeblingen | **20** | 2021-01-31 |
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| ibmq_ourense | **5** | 2021-01-15 |
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| ibmq_vigo | **5** | 2021-01-15 |
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| ibmq_valencia | **5** | 2021-01-15 |
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| ibmq_rochester | **53** | 2020-10-31 |
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| ibmq_cambridge | **28** | 2020-10-31 |
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| ibmq_almaden | **20** | 2020-08-31 |
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| ibmq_singapore | **20** | 2020-08-31 |
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| ibmq_johannesburg | **20** | 2020-08-31 |
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| ibmq_essex | **5** | 2020-08-31 |
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| ibmq_burlington | **5** | 2020-08-31 |
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| ibmq_london | **5** | 2020-08-31 |
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<span id="retrieve"></span>
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## Retrieve a job from a retired system
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To retrieve jobs from a retired system, you can use code similar to this, depending on the provider from which the job was sent:
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### For a job run from IBM Provider
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```python
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from qiskit_ibm_provider import IBMProvider
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provider = IBMProvider(instance="hub/group/project")
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#If you want to retrieve a list of jobs
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jobs = provider.backend.jobs(backend_name=<backend_name>)
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#If you want to retrieve a specific job you have the id for
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job = provider.backend.retrieve_job(<job_id>)
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```
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### For a job run from Qiskit Runtime
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```python
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from qiskit_ibm_runtime import QiskitRuntimeService
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# Load your IBM Quantum account(s). Replace "hub/group/project" with your desired instance
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service = QiskitRuntimeService(channel="ibm_quantum", instance="hub/group/project")
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# Retrieve a single job by id
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job = service.job(<job_id>)
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# Retrieve a batch of jobs. Filtering options can be found in the QiskitRuntimeService.jobs api reference
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jobs = service.jobs(backend_name=<backend_name>)
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``` |