IonQ vs Quantinuum
IonQ vs Quantinuum, compared side by side on 21 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 Quantinuum on 66/100.
Where each one leads
IonQ
- agent readiness: 47/100 against 36/100
- headcount: 1,252 against 663
- LinkedIn following: 82,276 against 62,825
Quantinuum
- our overall score: 66/100 against 41/100
- funding raised: $1.2B against $10.0M
At a glance
| Measure | IonQ | Quantinuum |
|---|---|---|
| What it is | IonQ is a leader in quantum computing, developing powerful quantum computers for various industries. | Quantum computing company focused on building fault-tolerant quantum computers and quantum software. |
| Category | Quantum Computing, AI Hardware, AI Chip, Foundation Model | Quantum Computing, AI Chip, AI Hardware, Quantum Error Correction |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware | software | platform |
| Founded | 2015 | 2021 |
| Headquarters | College Park, United States | Broomfield, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | IonQ | Quantinuum |
|---|---|---|
| Employees | 1,252 | 663 |
| Total funding | $10.0M | $1.2B |
| Valuation | Not published | $10K |
| LinkedIn followers | 82,276 | 62,825 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | IonQ | Quantinuum |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 41/100 | 66/100 |
| Traction | 55/100 | 60/100 |
| Team | 70/100 | 70/100 |
| Community | Not published | 15/100 |
| Search visibility | 28/100 | 23/100 |
| Quality | 30/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (47/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 74/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | IonQ | Quantinuum |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Webflow |
| Frameworks | Tailwind CSS | Not detected |
| Analytics | Google Analytics 4, Google Tag Manager, Segment | Google Analytics 4, Google Tag Manager |
| Support stack | HubSpot | HubSpot |
IonQ vs Quantinuum: common questions
Which is better, IonQ or Quantinuum?
On our 0-100 score Quantinuum rates higher (66/100 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 21 data points above: read the rows that match what you are buying for.
How do IonQ and Quantinuum compare on the numbers?
IonQ leads on agent readiness (47/100 against 36/100), headcount (1,252 against 663), LinkedIn following (82,276 against 62,825). Quantinuum leads on our overall score (66/100 against 41/100), funding raised ($1.2B against $10.0M).
Read the full IonQ review and pricing or the Quantinuum review and pricing. You can also browse other IonQ alternatives we track.