Castelion vs Kodiak AI
Which Defense AI AI tool is better in 2026?
Castelion
Mass-producing affordable hypersonic weapons for defense
Kodiak AI
Safely driving an autonomous future with AI-powered ground autonomy solutions for reliable and efficient driverless movement.
Side-by-side
Castelion is the more established option (raised $1.2B); pricing is comparable on both sides.
| Metric | Castelion | Kodiak AI |
|---|---|---|
| Taglinei | Mass-producing affordable hypersonic weapons for defense | Safely driving an autonomous future with AI-powered ground autonomy solutions for reliable and efficient driverless movement. |
| Foundedi | 2022🏆 | — |
| HQi | El Segundo, US | US |
| Employeesi | 201-500 | 201-500🏆 |
| Neuron scorei | 71🏆 | 34 |
| Total fundingi | $1.2B🏆 | Undisclosed |
| Latest roundi | series-c · Aug 2026 | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Enterprise · Contact sales | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Castelion and Kodiak AI.
| Capability | Castelion | Kodiak AI |
|---|---|---|
| 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 Undisclosed)
- Higher Neuron score (71 vs 34)
- Newer company (2022)
🔵 Strengths of Kodiak AI
- Strong in Defense AI
Which should you choose?
Choose Kodiak AI if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both Defense AI 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 Kodiak AI — which is better?
It depends on your priority. Castelion has raised more capital and is the more established option; Kodiak AI has broader feature depth. See the side-by-side table above.
Is Castelion cheaper than Kodiak AI?
No — Kodiak AI's cheapest paid plan is Enterprise · Contact sales, while Castelion's is Enterprise · Contact sales.
Do Castelion and Kodiak AI offer free plans?
Castelion: Paid only. Kodiak AI: Paid only.
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