RunSybil vs WitnessAI
Which for Cyber Defense AI tool is better in 2026?
RunSybil
AI offensive security that pentests like an elite researcher
WitnessAI
AI safety and governance platform for the enterprise
Side-by-side
WitnessAI leads on both fronts — more capital raised ($85.5M) and a lower entry price than RunSybil.
| Metric | RunSybil | WitnessAI |
|---|---|---|
| Taglinei | AI offensive security that pentests like an elite researcher | AI safety and governance platform for the enterprise |
| Foundedi | 2023 | 2023 |
| HQi | San Francisco, US | Atherton, US |
| Employeesi | 11-50 | 51-100🏆 |
| Neuron scorei | 72 | 82🏆 |
| Total fundingi | $40M | $85.5M🏆 |
| Latest roundi | Series A · Mar 2026 | Strategic · Jan 2026 |
| Valuationi | — | —🏆 |
| 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 | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for RunSybil and WitnessAI.
| Capability | RunSybil | WitnessAI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | 1 (rest) |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of RunSybil
- Strong in AI for Cyber Defense
🔵 Strengths of WitnessAI
- Has raised more capital ($85.5M vs $40M)
- Higher Neuron score (82 vs 72)
Which should you choose?
Choose WitnessAI 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 WitnessAI if you want the most established option — it has raised $85.5M, 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 WitnessAI — which is better?
It depends on your priority. RunSybil is the leaner option; WitnessAI is cheaper to start. See the side-by-side table above.
Is RunSybil cheaper than WitnessAI?
No — WitnessAI's cheapest paid plan is Enterprise · Contact sales, while RunSybil's is Enterprise · Contact sales.
Do RunSybil and WitnessAI offer free plans?
RunSybil: Paid only. WitnessAI: Paid only.
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