---
title: models (dev version)
description: API reference for qiskit_ibm_runtime.models in the dev version of qiskit-ibm-runtime
source: https://quantum.cloud.ibm.com/docs/en/api/qiskit-ibm-runtime/dev/models
---

# Backend Objects

`qiskit_ibm_runtime.models`

Qiskit schema-conformant objects used by the backends and providers.

## Classes

|                                                                                                                                                                                                                              |                                                                       |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------- |
| [`BackendConfiguration`](/docs/api/qiskit-ibm-runtime/dev/models-backend-configuration#qiskit_ibm_runtime.models.BackendConfiguration "qiskit_ibm_runtime.models.BackendConfiguration")(backend\_name, ...\[, ...])          | Backwards compat shim representing an abstract backend configuration. |
| [`QasmBackendConfiguration`](/docs/api/qiskit-ibm-runtime/dev/models-qasm-backend-configuration#qiskit_ibm_runtime.models.QasmBackendConfiguration "qiskit_ibm_runtime.models.QasmBackendConfiguration")(backend\_name, ...) | Class representing an OpenQASM 2.0 Backend Configuration.             |
| [`BackendProperties`](/docs/api/qiskit-ibm-runtime/dev/models-backend-properties#qiskit_ibm_runtime.models.BackendProperties "qiskit_ibm_runtime.models.BackendProperties")(backend\_name, ...)                              | Class representing backend properties.                                |
| [`BackendStatus`](/docs/api/qiskit-ibm-runtime/dev/models-backend-status#qiskit_ibm_runtime.models.BackendStatus "qiskit_ibm_runtime.models.BackendStatus")(backend\_name, backend\_version, ...)                            | Class representing Backend Status.                                    |
| [`UchannelLO`](/docs/api/qiskit-ibm-runtime/dev/models-uchannel-lo#qiskit_ibm_runtime.models.UchannelLO "qiskit_ibm_runtime.models.UchannelLO")(q, scale)                                                                    | Class representing a U Channel LO.                                    |
| [`GateConfig`](/docs/api/qiskit-ibm-runtime/dev/models-gate-config#qiskit_ibm_runtime.models.GateConfig "qiskit_ibm_runtime.models.GateConfig")(name, parameters, qasm\_def\[, ...])                                         | Class representing a Gate Configuration.                              |
| [`GateProperties`](/docs/api/qiskit-ibm-runtime/dev/models-gate-properties#qiskit_ibm_runtime.models.GateProperties "qiskit_ibm_runtime.models.GateProperties")(qubits, gate, parameters, ...)                               | Class representing a gate's properties.                               |
| [`Nduv`](/docs/api/qiskit-ibm-runtime/dev/models-nduv#qiskit_ibm_runtime.models.Nduv "qiskit_ibm_runtime.models.Nduv")(date, name, unit, value)                                                                              | Class representing name-date-unit-value.                              |