Atom Computing vs PsiQuantum
Atom Computing vs PsiQuantum, compared side by side on 14 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 PsiQuantum on 70/100.
Where each one leads
Atom Computing
Leads on none of the measures we hold for both companies.
PsiQuantum
- our overall score: 70/100 against 63/100
- domain rating: 63/100 against 0/100
- headcount: 632 against 123
- funding raised: $3.6B against $428M
- LinkedIn following: 81,923 against 21,437
At a glance
| Measure | Atom Computing | PsiQuantum |
|---|---|---|
| What it is | Developing fault-tolerant quantum computers. | Building a fault-tolerant quantum computer using photonics and silicon manufacturing. |
| Category | Quantum Computing, Artificial Intelligence, Deep Tech, AI Hardware | Quantum Computing, AI Chip, AI Hardware, Semiconductor |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2021 | 2017 |
| Headquarters | Boulder, USA | Palo Alto, United States |
| Status | Inactive | Active |
Size, funding and growth
| Measure | Atom Computing | PsiQuantum |
|---|---|---|
| Employees | 123 | 632 |
| Total funding | $428M | $3.6B |
| Latest round | Series C | Not published |
| Valuation | $1.1B | Not published |
| LinkedIn followers | 21,437 | 81,923 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Atom Computing | PsiQuantum |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 70/100 |
| Traction | 37/100 | 37/100 |
| Search visibility | 78/100 | 9/100 |
| Agent readinessHow well an AI agent can read and act on the site | Not published | D (46/100) |
| Domain ratingLink authority, 0-100 | 0/100 | 63/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Atom Computing | PsiQuantum |
|---|---|---|
| CMS | Not detected | Squarespace |
| Frameworks | Not detected | Jquery |
| Analytics | Not detected | Google Analytics 4, Google Tag Manager |
What users say
| Measure | Atom Computing | PsiQuantum |
|---|---|---|
| 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 PsiQuantum: common questions
Which is better, Atom Computing or PsiQuantum?
On our 0-100 score PsiQuantum rates higher (70/100 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 14 data points above: read the rows that match what you are buying for.
How do Atom Computing and PsiQuantum compare on the numbers?
PsiQuantum leads on our overall score (70/100 against 63/100), domain rating (63/100 against 0/100), headcount (632 against 123), funding raised ($3.6B against $428M), LinkedIn following (81,923 against 21,437).
What do real users say about Atom Computing and PsiQuantum?
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 PsiQuantum review and pricing. You can also browse other Atom Computing alternatives we track.