---
title: BaseEstimator (v1.1)
description: API reference for qiskit.primitives.BaseEstimator in qiskit v1.1
source: https://eu-de.quantum.cloud.ibm.com/docs/en/api/qiskit/1.1/qiskit.primitives.BaseEstimator
---

# BaseEstimator

[GitHub](https://github.com/Qiskit/qiskit/tree/stable/1.1/qiskit/primitives/base/base_estimator.py#L41-L187)

alias of [`BaseEstimatorV1`](/docs/api/qiskit/1.1/qiskit.primitives.BaseEstimatorV1 "qiskit.primitives.base.base_estimator.BaseEstimatorV1")