IonQ and Rigetti Computing are presented as two companies making progress in quantum computing as the technology moves closer to commercial use. IonQ is building a platform spanning quantum computers, networking and cybersecurity, has completed its acquisition of SkyWater Technology, and reported second-quarter revenue up 287% year over year. Rigetti uses superconducting qubits and a chiplet design, has demonstrated its Cepheus-1-108Q system, and saw second-quarter revenue rise 185% from a small base. The article notes both remain speculative, with IonQ trading at about 42 times price-to-sales and Rigetti at about 278 times; IonQ still faces technical and execution challenges before profitability, while Rigetti has significant operating losses. The author sees IonQ as the more conservative option with a broader platform and lower valuation, and Rigetti as the higher-risk, higher-reward pick.
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