Atom Computing vs Quantinuum
Atom Computing vs Quantinuum, compared side by side on 15 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: Atom Computing is on 63/100 and Quantinuum on 66/100.
Where each one leads
Atom Computing
Leads on none of the measures we hold for both companies.
Quantinuum
- domain rating: 72/100 against 0/100
- headcount: 663 against 123
- funding raised: $1.2B against $428M
- LinkedIn following: 62,825 against 21,437
At a glance
| Measure | Atom Computing | Quantinuum |
|---|---|---|
| What it is | Developing fault-tolerant quantum computers. | Quantum computing company focused on building fault-tolerant quantum computers and quantum software. |
| Category | Quantum Computing, Artificial Intelligence, Deep Tech, AI Hardware | Quantum Computing, AI Chip, AI Hardware, Quantum Error Correction |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware | software | platform |
| Founded | 2021 | 2021 |
| Headquarters | Boulder, USA | Broomfield, United States |
| Status | Inactive | Active |
Size, funding and growth
| Measure | Atom Computing | Quantinuum |
|---|---|---|
| Employees | 123 | 663 |
| Total funding | $428M | $1.2B |
| Latest round | Series C | Not published |
| Valuation | $1.1B | $10K |
| LinkedIn followers | 21,437 | 62,825 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Atom Computing | Quantinuum |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 66/100 |
| Traction | 37/100 | 60/100 |
| Team | Not published | 70/100 |
| Community | Not published | 15/100 |
| Search visibility | 78/100 | 23/100 |
| Quality | Not published | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | Not published | F (36/100) |
| Domain ratingLink authority, 0-100 | 0/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Atom Computing | Quantinuum |
|---|---|---|
| CDN | Not detected | Cloudflare |
| CMS | Not detected | Webflow |
| Analytics | Not detected | Google Analytics 4, Google Tag Manager |
| Support stack | Not detected | HubSpot |
What users say
| Measure | Atom Computing | Quantinuum |
|---|---|---|
| Reddit sentimentThreads we track | 4 positive, 0 negative across 4 threads | Not published |
“Atom Computing presents what they call "the first complete demonstration of quantum error correction with neutral atom qubits" featuring many rounds of syndrome extraction for toric codes with mid-circuit measurement and real-time reloading”r/QuantumComputing
Atom Computing vs Quantinuum: common questions
Which is better, Atom Computing or Quantinuum?
On our 0-100 score Quantinuum rates higher (66/100 against 63/100). 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 15 data points above: read the rows that match what you are buying for.
How do Atom Computing and Quantinuum compare on the numbers?
Quantinuum leads on domain rating (72/100 against 0/100), headcount (663 against 123), funding raised ($1.2B against $428M), LinkedIn following (62,825 against 21,437).
What do real users say about Atom Computing and Quantinuum?
Atom Computing: 4 positive and 0 negative mentions across 4 Reddit threads we track, mostly in r/QuantumComputing.
Read the full Atom Computing review and pricing or the Quantinuum review and pricing. You can also browse other Atom Computing alternatives we track.