Quantum Computing Vs Rigetti Which Is A Better Buy Ai Stock Analysis

Bonisiwe Shabane

-Jan 2, 2026, 7:37 AM

quantum computing vs rigetti which is a better buy ai stock analysis

QUBT Quick QuoteQUBT RGTI Quick QuoteRGTI Quantum computing is no longer just a scientific experiment; it is shaping up to be the next frontier in real-world problem-solving. Companies like Rigetti Computing (RGTI Quick QuoteRGTI - Free Report) and Quantum Computing Inc. (QUBT Quick QuoteQUBT - Free Report) are leading that charge, but they are taking very different routes to get there. Rigetti is building universal quantum computers based on gate-based superconducting qubits, aiming for broad applicability across industries. Its focus is on developing scalable, modular systems that can handle increasingly complex workloads over time.

QUBT, on the other hand, is betting on photonic quantum technologies. The company is developing thin-film lithium niobate-based chips through its newly operational U.S.-based foundry and integrating those into compact systems like its Dirac-3 machine. QUBT's near-term focus lies in building practical, room-temperature quantum solutions tailored for optimization and machine learning tasks. Both companies aim to push quantum technologies from labs into businesses. But their strategies, technical bets, and commercialization models reveal sharp differences. This faceoff explores Rigetti and QUBT across two key dimensions, technology and commercial execution strategies to help investors evaluate which quantum stock may offer a smarter long-term bet.

Shares of Rigetti have gained 2%, while QUBT stock has lost 2.4% in the year-to-date period. Quantum computing is no longer just a scientific experiment; it is shaping up to be the next frontier in real-world problem-solving. Companies like Rigetti Computing RGTI and Quantum Computing Inc. QUBT are leading that charge, but they are taking very different routes to get there. Rigetti is building universal quantum computers based on gate-based superconducting qubits, aiming for broad applicability across industries. Its focus is on developing scalable, modular systems that can handle increasingly complex workloads over time.

Shares of Rigetti have gained 2%, while QUBT stock has lost 2.4% in the year-to-date period. Rigetti’s technology is rooted in superconducting qubits, and its push for modular hardware design allows qubit systems to be built in scalable units. The company recently demonstrated 99.5% median two-qubit gate fidelity on its 36-qubit Ankaa-2 system—marking a significant leap in error reduction. Rigetti is doubling down on universal quantum computing, where gate-based architectures can, in theory, solve a wide range of problems beyond optimization. With its in-house chip fabrication and proprietary cloud platform (QCS), Rigetti is pursuing tight integration across the stack, aiming for speed, precision, and flexibility. Quantum computing is no longer just a scientific experiment; it is shaping up to be the next frontier in real-world problem-solving.

Companies like Rigetti Computing RGTI and Quantum Computing Inc. QUBT are leading that charge, but they are taking very different routes to get there. Rigetti is building universal quantum computers based on gate-based superconducting qubits, aiming for broad applicability across industries. Its focus is on developing scalable, modular systems that can handle increasingly complex workloads over time. QUBT, on the other hand, is betting on photonic quantum technologies. The company is developing thin-film lithium niobate-based chips through its newly operational U.S.-based foundry and integrating those into compact systems like its Dirac-3 machine.

QUBT's near-term focus lies in building practical, room-temperature quantum solutions tailored for optimization and machine learning tasks. Both companies aim to push quantum technologies from labs into businesses. But their strategies, technical bets, and commercialization models reveal sharp differences. This faceoff explores Rigetti and QUBT across two key dimensions, technology and commercial execution strategies to help investors evaluate which quantum stock may offer a smarter long-term bet. Shares of Rigetti have gained 2%, while QUBT stock has lost 2.4% in the year-to-date period. Rigetti’s technology is rooted in superconducting qubits, and its push for modular hardware design allows qubit systems to be built in scalable units.

The company recently demonstrated 99.5% median two-qubit gate fidelity on its 36-qubit Ankaa-2 system—marking a significant leap in error reduction. Rigetti is doubling down on universal quantum computing, where gate-based architectures can, in theory, solve a wide range of problems beyond optimization. With its in-house chip fabrication and proprietary cloud platform (QCS), Rigetti is pursuing tight integration across the stack, aiming for speed, precision, and flexibility. The quantum computing space is heating up, with IonQ ($IONQ) and Rigetti Computing ($RGTI) emerging as key players. As highlighted by The Motley Fool, these companies represent cutting-edge opportunities in AI-driven quantum technology, but which stock offers better prospects for 2025?. Both IonQ and Rigetti offer unique opportunities in quantum computing, but the choice depends on investment strategy.

IonQ’s partnerships and precision systems make it a strong contender for steady growth, while Rigetti’s explosive stock performance and scalability focus cater to risk-tolerant investors. As The Motley Fool suggests, these stocks are reshaping the future of AI and quantum computing, offering diverse paths for growth in 2025. Disclosure: This article does not represent investment advice. The content and materials featured on this page are for educational purposes only. Starting her career as a Political Journalist in 2020, Guntakin Mehnatli has dedicated the past four years to becoming an expert in finance and political news reporting. She also maintains a keen focus on trending topics in artificial intelligence, technology, startups, business and related areas.

Your email address will not be published. IonQ is a larger, more established company than Rigetti. The market and demand for quantum computing are still largely to be determined. IonQ (NYSE: IONQ) and Rigetti Computing (NASDAQ: RGTI) are two of the more prominent publicly traded stocks in the field of quantum computing. Without wading too deep into the weeds of quantum computing, the main difference between the two companies is that IonQ uses a trapped-ion system, whereas Rigetti uses superconducting qubits. What's important is the real-life applications of these technologies and their commercial viability.

Both companies are targeting similar industries, spanning from AI to finance to defense to cybersecurity to manufacturing. Where to invest $1,000 right now? Our analyst team just revealed what they believe are the 10 best stocks to buy right now. Continue »

Quantum Computing Vs Rigetti Which Is A Better Buy Ai Stock Analysis

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