D-Wave Quantum vs. Rigetti Computing: Which Cutting Edge Quantum Stock Is a Better Buy in 2026?

D-Wave Quantum and Rigetti Computing are both early-stage quantum computing companies with significant cash burn and unproven commercial roadmaps. D-Wave shows stronger revenue growth at 180% YoY ($24.6M) with increasing commercial adoption, while Rigetti has lower revenue ($7.1M, down 34% YoY) but received a potential $100M government contract. The author recommends Rigetti for long-term investors seeking a potential home run due to its technological prowess and deeper government support, despite both companies trading at high valuations with negative earnings.