Anduril Drones vs Castelion
Which Aerospace AI tool is better in 2026?
Anduril Drones
Autonomous defense drones and counter-UAS systems.
Castelion
Mass-producing affordable hypersonic weapons for defense
Side-by-side
Anduril Drones is the more established option (raised $7.5B); pricing is comparable on both sides.
| Metric | Anduril Drones | Castelion |
|---|---|---|
| Taglinei | Autonomous defense drones and counter-UAS systems. | Mass-producing affordable hypersonic weapons for defense |
| Foundedi | 2017🏆 | 2022 |
| HQi | Costa Mesa, US | El Segundo, US |
| Employeesi | 501-1000🏆 | 201-500 |
| Neuron scorei | 61 | 76🏆 |
| Total fundingi | $7.5B🏆 | $469M |
| Latest roundi | Series H · May 2026 | Series B · Dec 2025 |
| Valuationi | $61B🏆 | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise Defense Solutions · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Anduril Drones and Castelion.
| Capability | Anduril Drones | Castelion |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 2 (C++, Python) | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Anduril Drones
- Has raised more capital ($7.5B vs $469M)
- More mature (2017)
🔵 Strengths of Castelion
- Higher Neuron score (76 vs 61)
- Newer company (2022)
Which should you choose?
Choose Castelion if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Aerospace tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Anduril Drones if you want the most established option — it has raised $7.5B, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Anduril Drones vs Castelion — which is better?
It depends on your priority. Anduril Drones has raised more capital and is the more established option; Castelion has broader feature depth. See the side-by-side table above.
Is Anduril Drones cheaper than Castelion?
No — Castelion's cheapest paid plan is Enterprise · Contact sales, while Anduril Drones's is Enterprise · Contact sales.
Do Anduril Drones and Castelion offer free plans?
Anduril Drones: Paid only. Castelion: Paid only.
Explore more AI Aerospace tools
Contextual paths to related AI startups, deals and rankings.