Castelion vs Occam
Castelion vs Occam, 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: Castelion is on 60/100 and Occam on 37/100.
Where each one leads
Castelion
- our overall score: 60/100 against 37/100
- funding raised: $1.1B against $3.0M
Occam
- agent readiness: 50/100 against 39/100
At a glance
| Measure | Castelion | Occam |
|---|---|---|
| What it is | Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers. | DefenceTech startup focused on frontline drone autonomy. |
| Category | Defense, Hypersonic, Missiles, Aerospace | Defense, Artificial Intelligence, Robotics, Aerospace |
| Sells toBusiness model | B2G | B2G |
| Offering | Hardware | Software |
| Founded | 2022 | 2021 |
| Headquarters | El Segundo, United States | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Castelion | Occam |
|---|---|---|
| Employees | 100 | Not published |
| Total funding | $1.1B | $3.0M |
| Latest round | Series C | Unknown |
| Valuation | $13B | Not published |
| LinkedIn followers | Not published | 8 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Castelion | Occam |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 60/100 | 37/100 |
| Traction | 58/100 | 32/100 |
| Team | 10/100 | Not published |
| Search visibility | 29/100 | 23/100 |
| Quality | 78/100 | 45/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 43/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Castelion | Occam |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | WordPress | Not detected |
| Frameworks | Jquery, Bootstrap | Not detected |
| Analytics | Google Tag Manager | Not detected |
What users say
| Measure | Castelion | Occam |
|---|---|---|
| Reddit sentimentThreads we track | 1 positive, 3 negative across 6 threads | Not published |
“Hypersonic weapon startup Castelion wins $105 million Navy contract for F/A-18 integration. Castelion, a small California defense startup, has won a $105 million U.S. Navy contract to ready its Blackbeard hypersonic missile for use aboard ”r/FighterJets
Castelion vs Occam: common questions
Which is better, Castelion or Occam?
On our 0-100 score Castelion rates higher (60/100 against 37/100). 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 Castelion and Occam compare on the numbers?
Castelion leads on our overall score (60/100 against 37/100), funding raised ($1.1B against $3.0M). Occam leads on agent readiness (50/100 against 39/100).
What do real users say about Castelion and Occam?
Castelion: 1 positive and 3 negative mentions across 6 Reddit threads we track, mostly in r/FighterJets.
Read the full Castelion review and pricing or the Occam review and pricing. You can also browse other Castelion alternatives we track.