Castelion vs Onodrim
Castelion vs Onodrim, compared side by side on 18 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 61/100 and Onodrim on 51/100.
Where each one leads
Castelion
- our overall score: 61/100 against 51/100
- domain rating: 45/100 against 16/100
- funding raised: $1.1B against $43.2M
Onodrim
- agent readiness: 59/100 against 39/100
At a glance
| Measure | Castelion | Onodrim |
|---|---|---|
| What it is | Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers. | Defence and industrial technology company developing integrated platforms. |
| Category | Defense, Hypersonic, Missiles, Aerospace | Defense, Industrial Technology, Manufacturing, Defense Tech |
| Sells toBusiness model | B2G | B2B |
| Offering | Hardware | Platform |
| Founded | 2022 | 2025 |
| Headquarters | El Segundo, United States | Amsterdam, Netherlands |
| Status | Active | Active |
Size, funding and growth
| Measure | Castelion | Onodrim |
|---|---|---|
| Employees | 100 | Not published |
| Total funding | $1.1B | $43.2M |
| Latest round | Series C | Seed |
| Valuation | $13B | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Castelion | Onodrim |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 61/100 | 51/100 |
| Traction | 60/100 | 38/100 |
| Team | 10/100 | 70/100 |
| Search visibility | 39/100 | 33/100 |
| Quality | 78/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | D (59/100) |
| Domain ratingLink authority, 0-100 | 45/100 | 16/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Castelion | Onodrim |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | WordPress | Not detected |
| Frameworks | Jquery, Bootstrap | Next.js, Tailwind CSS |
| Analytics | Google Tag Manager | Not detected |
What users say
| Measure | Castelion | Onodrim |
|---|---|---|
| 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 Onodrim: common questions
Which is better, Castelion or Onodrim?
On our 0-100 score Castelion rates higher (61/100 against 51/100). 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 18 data points above: read the rows that match what you are buying for.
How do Castelion and Onodrim compare on the numbers?
Castelion leads on our overall score (61/100 against 51/100), domain rating (45/100 against 16/100), funding raised ($1.1B against $43.2M). Onodrim leads on agent readiness (59/100 against 39/100).
What do real users say about Castelion and Onodrim?
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 Onodrim review and pricing. You can also browse other Castelion alternatives we track.