RunSybil vs Upwind
Which for Cyber Defense AI tool is better in 2026?
RunSybil
AI offensive security that pentests like an elite researcher
Upwind
Runtime-first cloud security platform
Side-by-side
Upwind is the more established option (raised $430M); pricing is comparable on both sides.
| Metric | RunSybil | Upwind |
|---|---|---|
| Taglinei | AI offensive security that pentests like an elite researcher | Runtime-first cloud security platform |
| Foundedi | 2023 | 2022🏆 |
| HQi | San Francisco, US | IL |
| Employeesi | 11-50🏆 | — |
| Neuron scorei | 72 | 90🏆 |
| Total fundingi | $40M | $430M🏆 |
| Latest roundi | Series A · Mar 2026 | Series B · Jan 2026 |
| Valuationi | — | $1.5B🏆 |
| 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 RunSybil and Upwind.
| Capability | RunSybil | Upwind |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of RunSybil
- Newer company (2023)
🔵 Strengths of Upwind
- Has raised more capital ($430M vs $40M)
- Higher Neuron score (90 vs 72)
- More mature (2022)
Which should you choose?
Choose Upwind if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI for Cyber Defense tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Upwind if you want the most established option — it has raised $430M, 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
RunSybil vs Upwind — which is better?
It depends on your priority. RunSybil is the leaner option; Upwind has broader feature depth. See the side-by-side table above.
Is RunSybil cheaper than Upwind?
No — Upwind's cheapest paid plan is Enterprise · Contact sales, while RunSybil's is Enterprise · Contact sales.
Do RunSybil and Upwind offer free plans?
RunSybil: Paid only. Upwind: Paid only.
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