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HiddenLayer

20+ Best Alternatives to HiddenLayer in 2026

Total AI Security for the enterprise.

Looking for an alternative to HiddenLayer? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.

  1. 1

    GitGuardian

    $106M

    Secrets detection and non-human identity security platform

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Free

    View alternative →
  2. 2

    Astrix Security

    $70M

    Identity security for AI agents and non-human identities

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Enterprise · Contact sales

    View alternative →
  3. 3

    Aurascape

    $50M

    AI-native security to discover, govern, and protect enterprise AI use

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Free

    View alternative →
  4. 4

    Lumia Security

    $18M

    Governance and control for enterprise AI agents

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Enterprise · Contact sales

    View alternative →
  5. 5

    Knostic

    $14M

    Need-to-know access controls and security for enterprise AI

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Free

    View alternative →
  6. 6

    Pillar Security

    $9M

    The security platform for AI applications and agents

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Free

    View alternative →
  7. 7

    WitnessAI

    $85.5M

    AI safety and governance platform for the enterprise

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Enterprise · Contact sales

    View alternative →
  8. 8

    Klaimee

    $500K

    Liability insurance for AI agents — you deploy them, we cover you.

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Contact-sales

    View alternative →
  9. 9

    Saviynt

    $870M

    AI-powered identity security for humans, machines, and AI agents

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Enterprise · Contact sales

    View alternative →
  10. 10

    Lakera

    Undisclosed

    The leading AI-native security platform to secure your AI future and accelerate GenAI, agents, and MCPs for enterprise teams.

    Why it's similar: Shares categories with HiddenLayer — AI Governance, AI for Cyber Defense.

    💵 Enterprise · Contact sales

    View alternative →
  11. 11

    Chainguard

    $256M

    Secure, minimal container images for software and AI supply chains

    Why it's similar: Shares categories with HiddenLayer — AI for Cyber Defense.

    💵 Free

    View alternative →
  12. 12

    Semgrep

    $204M

    Autonomous code security and static analysis for developers

    Why it's similar: Shares categories with HiddenLayer — AI for Cyber Defense.

    💵 Free

    View alternative →
  13. 13

    Alcatraz AI

    $100M

    AI facial authentication that replaces the access badge with your face

    Why it's similar: Shares categories with HiddenLayer — AI for Cyber Defense.

    💵 Hardware + subscription (contact sales)

    View alternative →
  14. 14

    Horizon3.ai

    $178.5M

    Autonomous penetration testing with NodeZero, run continuously at production scale

    Why it's similar: Shares categories with HiddenLayer — AI for Cyber Defense.

    💵 Enterprise · Contact sales

    View alternative →
  15. 15

    Airia

    $100M

    Enterprise platform for discovering, securing and governing AI agents

    Why it's similar: Shares categories with HiddenLayer — AI Governance.

    💵 Enterprise · Contact sales

    View alternative →
  16. 16

    BlinkOps

    $90M

    Agentic security automation platform built on no-code micro-agents

    Why it's similar: Shares categories with HiddenLayer — AI for Cyber Defense.

    💵 Free trial

    View alternative →
  17. 17

    Armilla AI

    $31M

    Insurance and warranties built for AI risk

    Why it's similar: Shares categories with HiddenLayer — AI Governance.

    💵 Insurance premiums / assessment fees (contact sales)

    View alternative →
  18. 18

    Artemis Security

    $70M

    AI-native protection platform for modern security operations

    Why it's similar: Shares categories with HiddenLayer — AI for Cyber Defense.

    💵 Contact-sales

    View alternative →
  19. 19

    TENEX.AI

    $27M

    AI-native, human-led managed detection and response

    Why it's similar: Shares categories with HiddenLayer — AI for Cyber Defense.

    💵 Managed service subscription (contact sales)

    View alternative →
  20. 20

    Vijil

    $23M

    Trust infrastructure to make AI agents reliable, secure, and safe

    Why it's similar: Shares categories with HiddenLayer — AI Governance.

    💵 Free trial

    View alternative →

Frequently asked questions

What are the best alternatives to HiddenLayer?

The top-ranked alternatives to HiddenLayer on NeuronFeed are GitGuardian, Astrix Security, Aurascape, Lumia Security, Knostic. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.

Is there a free alternative to HiddenLayer?

Yes — GitGuardian, Aurascape, Knostic offer a free plans. See the pricing column for each alternative above.

How is this list ranked?

We rank alternatives by shared categories with HiddenLayer, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.

HiddenLayer vs GitGuardian — which is better?

It depends on use case. GitGuardian (Secrets detection and non-human identity security platform) is the #1-ranked alternative. See the full side-by-side at /compare/hiddenlayer-vs-gitguardian.

Contextual paths to related AI startups, deals and rankings.