QuEra Computing has announced “Libra,” its first fault-tolerant quantum computer, which will be made available on Amazon Web Services (AWS) Amazon Braket in 2028. The announcement comes alongside an expanded multi-year partnership between QuEra and AWS aimed at delivering scalable, fault-tolerant quantum computing to enterprise, research, and government users through the cloud.
Libra represents a major step toward practical fault-tolerant quantum computing, designed to run longer and more reliable computations than today’s noisy quantum systems. By reducing error rates and increasing computational depth, the system aims to unlock early commercial and research applications in areas such as molecular simulation, materials discovery, and large-scale optimization problems that remain difficult for classical computing.
Fault-tolerant quantum computers are engineered to continue operating correctly even in the presence of noise and errors, a key barrier in current quantum systems. Libra is designed to achieve this by supporting over 256 logical qubits and maintaining a projected logical error rate of 10⁻⁶. This level of stability is intended to make sustained, large-scale quantum computations possible for the first time in a cloud-accessible environment.
The Libra system builds on QuEra’s earlier quantum platforms, including Aquila, a 256-physical-qubit system already available on Amazon Braket, and Gemini, a neutral-atom system developed in collaboration with high-performance computing infrastructure in Japan. These systems have helped validate key components of QuEra’s architecture through peer-reviewed research, including error correction techniques and scalable qubit operations.
The expanded partnership with AWS strengthens QuEra’s integration into the Amazon Braket ecosystem, a managed quantum computing service that enables users to run quantum workloads alongside classical HPC and AI infrastructure. This setup is designed to support hybrid quantum-classical workflows, allowing enterprises to integrate quantum capabilities into existing cloud-native applications.
With Libra expected to become available in 2028, AWS customers will gain access to one of the first cloud-deployed fault-tolerant quantum computing systems, marking a significant step toward real-world quantum advantage.
QuEra’s approach to Libra is grounded in validated research and published breakthroughs in quantum error correction. The architecture is supported by advances such as logical qubits, below-threshold error correction, and fast real-time decoding systems. These components are essential for ensuring that quantum computations remain stable as system complexity increases.
The company emphasizes that every stage of its roadmap has been developed through peer-reviewed research and incremental system scaling, with continued in-house development leading up to the 2028 deployment target.
Industry leaders suggest that organizations should begin preparing now for the emergence of fault-tolerant quantum computing. Early engagement is expected to be critical, as practical applications and quantum-native algorithms are still evolving. QuEra positions Libra as a foundational system that will enable early adopters to develop workflows ahead of full-scale commercial availability.
The collaboration between QuEra and AWS reflects a broader push to integrate quantum computing into cloud ecosystems, making it accessible through familiar infrastructure. By combining quantum processors with AWS’s existing HPC and AI services, the partnership aims to accelerate the development of hybrid computing models that leverage both classical and quantum capabilities.
QuEra is a global leader in neutral-atom quantum computing, providing quantum systems and collaborative research to enterprise innovators, HPC centers, and government programs. Born at Harvard and MIT, QuEra develops quantum technologies on a public, peer-reviewed path toward fault tolerance, with operations across Boston, New Mexico, Tokyo, and the United Kingdom. Learn more at www.quera.com.
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