Castelion vs DARPA
Castelion vs DARPA, 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: Castelion is on 60/100 and DARPA on 19/100.
Where each one leads
Castelion
- our overall score: 60/100 against 19/100
DARPA
- domain rating: 83/100 against 43/100
- headcount: 1,025 against 100
At a glance
| Measure | Castelion | DARPA |
|---|---|---|
| What it is | Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers. | Defense Advanced Research Projects Agency |
| Category | Defense, Hypersonic, Missiles, Aerospace | Defense, Technology, Research & Development, Artificial Intelligence |
| Sells toBusiness model | B2G | B2G |
| Offering | Hardware | Services |
| Founded | 2022 | 1958 |
| Headquarters | El Segundo, United States | Arlington, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | Castelion | DARPA |
|---|---|---|
| Employees | 100 | 1,025 |
| Total funding | $1.1B | Not published |
| Latest round | Series C | Not published |
| Valuation | $13B | Not published |
| LinkedIn followers | Not published | 319,157 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Castelion | DARPA |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 60/100 | 19/100 |
| Traction | 58/100 | 20/100 |
| Team | 10/100 | Not published |
| Search visibility | 29/100 | 22/100 |
| Quality | 78/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 43/100 | 83/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Castelion | DARPA |
|---|---|---|
| CDN | Cloudflare | CloudFront |
| CMS | WordPress | Not detected |
| Frameworks | Jquery, Bootstrap | Jquery, Tailwind CSS |
| Analytics | Google Tag Manager | Not detected |
What users say
| Measure | Castelion | DARPA |
|---|---|---|
| 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 DARPA: common questions
Which is better, Castelion or DARPA?
On our 0-100 score Castelion rates higher (60/100 against 19/100). 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 Castelion and DARPA compare on the numbers?
Castelion leads on our overall score (60/100 against 19/100). DARPA leads on domain rating (83/100 against 43/100), headcount (1,025 against 100).
What do real users say about Castelion and DARPA?
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 DARPA review and pricing. You can also browse other Castelion alternatives we track.