Castelion vs True Anomaly
Which Aerospace AI tool is better in 2026?
Castelion
Mass-producing affordable hypersonic weapons for defense
True Anomaly
Autonomous spacecraft and software for space superiority
Side-by-side
Castelion is the more established option (raised $1.2B); pricing is comparable on both sides.
| Metric | Castelion | True Anomaly |
|---|---|---|
| Taglinei | Mass-producing affordable hypersonic weapons for defense | Autonomous spacecraft and software for space superiority |
| Foundedi | 2022 | 2022 |
| HQi | El Segundo, US | Centennial, United States |
| Employeesi | 201-500🏆 | — |
| Neuron scorei | 72🏆 | 54 |
| Total fundingi | $1.2B🏆 | $1B |
| Latest roundi | series-c · Aug 2026 | Series D · Apr 2026 |
| Valuationi | — | $2.2B🏆 |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Enterprise · Contact sales | Custom |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Castelion and True Anomaly.
| Capability | Castelion | True Anomaly |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Castelion
- Has raised more capital ($1.2B vs $1B)
- Higher Neuron score (72 vs 54)
🔵 Strengths of True Anomaly
- Strong in AI Aerospace
Which should you choose?
Choose True Anomaly if price matters most — it starts at Custom, 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 Castelion if you want the most established option — it has raised $1.2B, 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
Castelion vs True Anomaly — which is better?
It depends on your priority. Castelion has raised more capital and is the more established option; True Anomaly has broader feature depth. See the side-by-side table above.
Is Castelion cheaper than True Anomaly?
No — True Anomaly's cheapest paid plan is Custom, while Castelion's is Enterprise · Contact sales.
Do Castelion and True Anomaly offer free plans?
Castelion: Paid only. True Anomaly: Paid only.
Explore more AI Aerospace tools
Contextual paths to related AI startups, deals and rankings.