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Best AI Agent Security Software in 2026

Software in this category is designed to secure agent prompts, information, live operations and model responses. This list is for people comparing budget options for web, API or self-hosted use, with desktop platforms also represented.

  1. 1

    Azure AI Speech

    by Azure AI Speech
    Free plan APISelf-hostedWeb
    7.6 Free plan Visit site
  2. 2

    Enkrypt AI Guardrails

    Free plan APISelf-hostedWeb

    Enkrypt AI Guardrails offers multiple enforcement points and records decisions for audit evidence.

    7.4 Free plan · paid from $134/mo (annual) Visit site
  3. 3

    Qpoint

    Free plan LinuxMacWeb+1

    Qpoint combines agent activity monitoring with controls that can restrict what agents access and send. The free Community tier has a 25-endpoint limit; larger teams can consider Team or Enterprise.

    7.1 Free plan Visit site
  4. 4

    Guardrails AI

    Free plan APISelf-hostedWeb

    Guardrails AI combines validators, risk protections, and structured-data generation in an open-source Python framework.

    7.0 Open source Visit site
  5. 5

    Silker AI Mobile Security

    Free plan AndroidiPhoneWeb

    Silker AI combines static mobile-app checks with runtime API protection and scan history. Deeper binary analysis is not yet available, and the maker says it is onboarding its first design partners.

    6.9 Free plan · paid from $39/mo Visit site
  6. 6

    Pangea AI Guard

    Free plan APIExtensionSelf-hosted

    Choose Pangea AI Guard if an application needs configurable LLM threat and sensitive-data detection, with options for audit logging and deployment within a customer cloud boundary.

    6.7 Free plan Visit site
  7. 7

    VotalAI

    Free plan APISelf-hostedWeb

    Choose VotalAI if your enterprise AI team needs runtime prompt and output checks alongside per-agent tool controls and identity.

    6.5 Pricing on request · 30-day trial Visit site
  8. 8

    GuardionAI

    Free trial APILinuxMac+3

    GuardionAI focuses on inline controls for AI calls, sensitive data, and coding-agent tools. Its available plans differ in retention, request limits, support, and pricing terms.

    6.4 Visit site
  9. 9

    Google Cloud Secret Manager

    Free plan Web
    6.2 Free plan · paid from $0.03 · 90-day trial Visit site
  10. 10

    NVIDIA NeMo Guardrails

    Free plan LinuxMacWindows
    6.2 Free plan Visit site
  11. 11

    Lakera Guard

    Free plan Web
    6.0 Free plan Visit site
  12. 12

    Noma Security

    Paid APISelf-hostedWeb

    Choose Noma Security if your organization needs enterprise AI discovery, access governance, testing, and runtime protection across its AI environments.

    5.5 Pricing on request Visit site
  13. 13

    ZNYX AI Platform

    Free plan Web
    5.4 Free plan · paid from $199/mo Visit site
  14. 14

    Lasso AI Security Platform

    Paid APIExtensionWeb

    Lasso connects AI discovery, risk assessment, testing, and runtime controls in one platform. Enterprises should review its deployment options and request pricing to assess fit.

    5.3 Pricing on request Visit site
  15. 15

    Check Point AI Agent Security

    Paid Web
    4.7 Pricing on request Visit site
  16. 16

    Operant AI

    Paid LinuxMacWindows
    4.6 Pricing on request · 7-day trial Visit site
  17. 17

    Capsule Security

    Paid Web
    4.5 Pricing on request Visit site
  18. 18

    Cato AI Security for Applications

    Paid Web
    4.5 Pricing on request Visit site
  19. 19

    CortexHub Security

    Paid Web
    4.5 Pricing on request Visit site
  20. 20

    CodeIntegrity Agent Runtime Controls

    Paid
    4.4 Pricing on request Visit site
  21. 21

    CrowdStrike Falcon AIDR

    Paid Web
    4.4 Pricing on request Visit site
  22. 22

    SealGate

    Paid LinuxMacWeb+1
    4.4 Pricing on request Visit site
  23. 23

    NeuralTrust AI Guardian

    Paid Web
    4.3 Pricing on request Visit site
  24. 24

    Netskope One AI Guardrails

    Paid Web
    4.2 Pricing on request Visit site
  25. 25

    Prisma AIRS

    Paid Web
    4.2 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Check free-plan limits, trial terms and open-source licences before choosing. Review deployment, defenses against prompt attacks, sensitive-data safeguards, runtime oversight, output filtering, audit trails and integration mode.

Questions

Which tools list a free plan?

Free plans are shown for Enkrypt AI Guardrails, Google Cloud Secret Manager and Guardrails AI.

Which tool is open source?

Guardrails AI uses a free pricing model and is identified as open source.

Does any tool offer a free trial?

GuardionAI offers a free trial, and Google Cloud Secret Manager shows a 90-day trial.

What does Google Cloud Secret Manager cost?

Its listing shows a free plan, paid pricing beginning at $0.03 and a 90-day trial.

What platforms are covered?

Coverage spans web, API, self-hosted, macOS, Linux and Windows platforms.

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