IonQ vs PsiQuantum
IonQ vs PsiQuantum, compared side by side on 18 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: IonQ is on 41/100 and PsiQuantum on 70/100.
Where each one leads
IonQ
- domain rating: 74/100 against 63/100
- headcount: 1,252 against 632
PsiQuantum
- our overall score: 70/100 against 41/100
- funding raised: $3.6B against $10.0M
At a glance
| Measure | IonQ | PsiQuantum |
|---|---|---|
| What it is | IonQ is a leader in quantum computing, developing powerful quantum computers for various industries. | Building a fault-tolerant quantum computer using photonics and silicon manufacturing. |
| Category | Quantum Computing, AI Hardware, AI Chip, Foundation Model | Quantum Computing, AI Chip, AI Hardware, Semiconductor |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2015 | 2017 |
| Headquarters | College Park, United States | Palo Alto, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | IonQ | PsiQuantum |
|---|---|---|
| Employees | 1,252 | 632 |
| Total funding | $10.0M | $3.6B |
| LinkedIn followers | 82,276 | 81,923 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | IonQ | PsiQuantum |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 41/100 | 70/100 |
| Traction | 55/100 | 37/100 |
| Team | 70/100 | Not published |
| Search visibility | 28/100 | 9/100 |
| Quality | 30/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (47/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 74/100 | 63/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | IonQ | PsiQuantum |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Squarespace |
| Frameworks | Tailwind CSS | Jquery |
| Analytics | Google Analytics 4, Google Tag Manager, Segment | Google Analytics 4, Google Tag Manager |
| Support stack | HubSpot | Not detected |
IonQ vs PsiQuantum: common questions
Which is better, IonQ or PsiQuantum?
On our 0-100 score PsiQuantum rates higher (70/100 against 41/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 18 data points above: read the rows that match what you are buying for.
How do IonQ and PsiQuantum compare on the numbers?
IonQ leads on domain rating (74/100 against 63/100), headcount (1,252 against 632). PsiQuantum leads on our overall score (70/100 against 41/100), funding raised ($3.6B against $10.0M).
Read the full IonQ review and pricing or the PsiQuantum review and pricing. You can also browse other IonQ alternatives we track.

