Pillar Security vs WitnessAI
Which Governance AI tool is better in 2026?
Pillar Security
The security platform for AI applications and agents
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 Pillar Security.
| Metric | Pillar Security | WitnessAI |
|---|---|---|
| Taglinei | The security platform for AI applications and agents | AI safety and governance platform for the enterprise |
| Foundedi | 2023 | 2023 |
| HQi | Tel Aviv, IL | Atherton, US |
| Employeesi | 11-50 | 51-100🏆 |
| Neuron scorei | 64 | 82🏆 |
| Total fundingi | $9M | $85.5M🏆 |
| Latest roundi | Seed · Oct 2024 | 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 | Free | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Pillar Security and WitnessAI.
| Capability | Pillar Security | WitnessAI |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | 1 (rest) |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Pillar Security
- Offers a free plan
- Offers a free trial
🔵 Strengths of WitnessAI
- Has raised more capital ($85.5M vs $9M)
- Higher Neuron score (82 vs 64)
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 Governance 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
Pillar Security vs WitnessAI — which is better?
It depends on your priority. Pillar Security is the leaner option; WitnessAI is cheaper to start. See the side-by-side table above.
Is Pillar Security cheaper than WitnessAI?
No — WitnessAI's cheapest paid plan is Enterprise · Contact sales, while Pillar Security's is Free.
Do Pillar Security and WitnessAI offer free plans?
Pillar Security: Yes, has a free plan. WitnessAI: Paid only.
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