--- title: EstimatorOptions (latest version) description: API reference for qiskit_ibm_runtime.options.EstimatorOptions in the latest version of qiskit-ibm-runtime source: https://eu-de.quantum.cloud.ibm.com/docs/en/api/qiskit-ibm-runtime/options-estimator-options --- # EstimatorOptions *class* `EstimatorOptions(_VERSION=2, max_execution_time=Unset, environment=, simulator=, default_precision=Unset, default_shots=Unset, resilience_level=Unset, seed_estimator=Unset, dynamical_decoupling=, resilience=, execution=, twirling=, experimental=Unset)` [GitHub](https://github.com/Qiskit/qiskit-ibm-runtime/tree/stable/0.49/qiskit_ibm_runtime/options/estimator_options.py#L27-L117) Bases: `OptionsV2` Options for V2 Estimator. ## Attributes **Parameters** - **\_VERSION** (*int*) - **max\_execution\_time** (*UnsetType | int*) - **environment** ([*EnvironmentOptions*](/docs/api/qiskit-ibm-runtime/options-environment-options "qiskit_ibm_runtime.options.environment_options.EnvironmentOptions") *| Dict*) - **simulator** ([*SimulatorOptions*](/docs/api/qiskit-ibm-runtime/options-simulator-options "qiskit_ibm_runtime.options.simulator_options.SimulatorOptions") *| Dict*) - **default\_precision** (*UnsetType | float*) - **default\_shots** (*UnsetType | int | None*) - **resilience\_level** (*UnsetType | int*) - **seed\_estimator** (*UnsetType | int*) - **dynamical\_decoupling** ([*DynamicalDecouplingOptions*](/docs/api/qiskit-ibm-runtime/options-dynamical-decoupling-options "qiskit_ibm_runtime.options.dynamical_decoupling_options.DynamicalDecouplingOptions") *| Dict*) - **resilience** ([*ResilienceOptionsV2*](/docs/api/qiskit-ibm-runtime/options-resilience-options-v2 "qiskit_ibm_runtime.options.resilience_options.ResilienceOptionsV2") *| Dict*) - **execution** ([*ExecutionOptionsV2*](/docs/api/qiskit-ibm-runtime/options-execution-options-v2 "qiskit_ibm_runtime.options.execution_options.ExecutionOptionsV2") *| Dict*) - **twirling** ([*TwirlingOptions*](/docs/api/qiskit-ibm-runtime/options-twirling-options "qiskit_ibm_runtime.options.twirling_options.TwirlingOptions") *| Dict*) - **experimental** (*UnsetType | dict*) ### default\_precision Type: `UnsetType | float` Default value: `Unset` The default precision to use for any PUB or `run()` call that does not specify one. Each Estimator PUB can specify its own precision. If the `run()` method is given a precision, then that value is used for all PUBs in the `run()` call that do not specify their own. Default: 0.015625 (1 / sqrt(4096)). ### default\_shots Type: `UnsetType | int | None` Default value: `Unset` The total number of shots to use per circuit per configuration. > **Note** > > If set, this value overrides [`default_precision`](#qiskit_ibm_runtime.options.EstimatorOptions.default_precision "qiskit_ibm_runtime.options.EstimatorOptions.default_precision"). A configuration is a combination of a specific parameter value binding set and a physical measurement basis. A physical measurement basis groups together some collection of qubit-wise commuting observables for some specific circuit/parameter value set to create a single measurement with basis rotations that is inserted into hardware executions. If twirling is enabled, the value of this option will be divided over circuit randomizations, with a smaller number of shots per randomization. See the [`twirling`](#qiskit_ibm_runtime.options.EstimatorOptions.twirling "qiskit_ibm_runtime.options.EstimatorOptions.twirling") options. Default: `None`. ### dynamical\_decoupling Type: `DynamicalDecouplingOptions | Dict` Default value: `FieldInfo(annotation=NoneType, required=False, default_factory=DynamicalDecouplingOptions)` Suboptions for dynamical decoupling. See [`DynamicalDecouplingOptions`](/docs/api/qiskit-ibm-runtime/options-dynamical-decoupling-options "qiskit_ibm_runtime.options.DynamicalDecouplingOptions") for all available options. ### environment Type: `EnvironmentOptions | Dict` Default value: `FieldInfo(annotation=NoneType, required=False, default_factory=EnvironmentOptions)` ### execution Type: `ExecutionOptionsV2 | Dict` Default value: `FieldInfo(annotation=NoneType, required=False, default_factory=ExecutionOptionsV2)` Execution time options. See [`ExecutionOptionsV2`](/docs/api/qiskit-ibm-runtime/options-execution-options-v2 "qiskit_ibm_runtime.options.ExecutionOptionsV2") for all available options. ### experimental Type: `UnsetType | dict` Default value: `Unset` Experimental options. These options are subject to change without notification, and stability is not guaranteed. ### max\_execution\_time Type: `UnsetType | int` Default value: `Unset` ### resilience Type: `ResilienceOptionsV2 | Dict` Default value: `FieldInfo(annotation=NoneType, required=False, default_factory=ResilienceOptionsV2)` Advanced resilience options to fine-tune the resilience strategy. See [`ResilienceOptionsV2`](/docs/api/qiskit-ibm-runtime/options-resilience-options-v2 "qiskit_ibm_runtime.options.ResilienceOptionsV2") for all available options. ### resilience\_level Type: `UnsetType | int` Default value: `Unset` How much resilience to build against errors. Higher levels generate more accurate results, at the expense of longer processing times. - 0: No mitigation. - 1: Minimal mitigation costs. Mitigate error associated with readout errors. - **2: Medium mitigation costs. Typically reduces bias in estimators but** is not guaranteed to be zero bias. Refer to the [Configure error mitigation for Qiskit Runtime](/docs/guides/configure-error-mitigation) guide for more information about the error mitigation methods used at each level. Default: 1. ### seed\_estimator Type: `UnsetType | int` Default value: `Unset` Seed used to control sampling. Default: `None`. ### simulator Type: `SimulatorOptions | Dict` Default value: `FieldInfo(annotation=NoneType, required=False, default_factory=SimulatorOptions)` ### twirling Type: `TwirlingOptions | Dict` Default value: `FieldInfo(annotation=NoneType, required=False, default_factory=TwirlingOptions)` Pauli twirling options. See [`TwirlingOptions`](/docs/api/qiskit-ibm-runtime/options-twirling-options "qiskit_ibm_runtime.options.TwirlingOptions") for all available options. ## Methods ### update `update(**kwargs)` [GitHub](https://github.com/Qiskit/qiskit-ibm-runtime/tree/stable/0.49/qiskit_ibm_runtime/options/options.py#L147-L156) Update the options. **Parameters** **kwargs** (*Any*) **Return type** None