US EditionRigetti Computing Achieves 99.5% Two-Qubit Gate Fidelity on 36-Qubit Modular System
BERKELEY, CALIFORNIA, JUL 17 – Rigetti's 36-qubit system halves gate error rates from prior models and aims to launch a 100+ qubit system by the end of 2025, boosting quantum computing scalability.
- On July 16, 2025, Rigetti Computing revealed it reached a 99.5% median gate fidelity for two-qubit operations on its innovative modular quantum computer consisting of 36 qubits, developed in Berkeley, California.
- This milestone follows Rigetti's use of proprietary modular chip technology developed by leveraging established semiconductor industry techniques to reduce gate error rates by half.
- The 36-qubit system comprises four 9-qubit chips and unlocks the path for a 100+ qubit chiplet-based system planned for release before the end of 2025.
- Shares of Rigetti's stock ticker RGTI soared 28.9% by 1:38 p.m. ET on July 16, 2025, reflecting significant investor interest in the performance breakthrough.
- This achievement supports Rigetti's scheduled commercial launch of the 36-qubit system on August 15 and indicates progress toward scalable quantum computing despite ongoing development challenges.
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Rigetti Computing stock price: Why shares took a quantum leap today
Shares in the quantum computing firm Rigetti Computing are experiencing what you might call quantum leap. The Berkeley, California, company announced on Wednesday that it “has achieved its mid-year performance milestone of 99.5% median [two-qubit gate fidelity] on its modular 36-qubit system.” What that means is that the company has managed to build the biggest modular quantum computer to date, and also cut its error rate in half—marking progres…
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