IONQ vs RGTI: IonQ and Rigetti Computing as AI Stocks
IonQ (IONQ) and Rigetti Computing (RGTI) are both tracked in the Supercycle AI universe. IONQ is the larger company at $17.23B versus $5.34B, and IONQ carries the higher AI Exposure Score (30 vs 25, Growing tier), meaning its business depends more directly on AI demand.
Market data as of the close on . Prices are end of day, not live.
Side by side
| Metric | IONQ | RGTI |
|---|---|---|
| Price | $42.54 | $16.00 |
| Market cap | $17.23B | $5.34B |
| 24h change | +4.42% | -3.12% |
| 7d change | +15.47% | +8.22% |
| 1y change | -42.40% | -49.42% |
| P/E ratio | - | - |
| AI Exposure Score | 30 (Growing) | 25 (Peripheral) |
| Sector | Technology | Technology |
| Buildout layers | Quantum Computing | Quantum Computing |
IONQ's role in the buildout
IonQ sits in the Quantum Computing layer of the AI buildout as a long-horizon bet. Its trapped-ion quantum computers are pitched partly at future AI and optimization workloads that classical machines handle poorly. Today it earns revenue from cloud access and research contracts while the technology matures. The exposure is speculative optionality: useful quantum advantage for AI remains years away, so the AI connection is about where quantum could plug in, not current demand.
RGTI's role in the buildout
Rigetti sits in the Quantum Computing layer as a frontier compute bet, not a current supplier to the buildout. Its superconducting processors serve government and research customers today, with AI positioned as a future workload if quantum hardware matures. Revenue is small and the AI link is speculative optionality rather than a present driver, which is why Supercycle scores its AI exposure at 25 out of 100.
Both stocks sit in Quantum Computing, so they compete for the same slice of AI spending.
Frequently asked questions
Is IONQ or RGTI the bigger company?
IonQ is bigger: $17.23B versus $5.34B by market cap, as of the latest end-of-day data.
Which has more AI exposure, IONQ or RGTI?
IonQ does: its AI Exposure Score is 30 (Growing tier) versus 25 (Peripheral). The score measures how much of the business depends on AI, not which stock is the better investment.
Related comparisons
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