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Alternatives · Checked against vendor sites, September 2026

Koi (Palo Alto Networks) alternatives (2026)

The verdict

The highest-scoring alternatives to Koi on our weights are Bay (7.9), Noma Security (7.5) and Onyx Security (7.4), out of 10. Koi scores 7.1 and ranks =5 of 9. The most common reason to switch, on our scores, is identity and audit and breadth: 5 of the eight score higher there.

Why do buyers look at alternatives to Koi?

These points come from what Koi's public pages do and do not show, reviewed September 2026. They are not user complaints or test results.

  • It is agent-based, so companies that do not run Cortex XDR add a separate agent.
  • Agent versus human attribution is not described on the pages we reviewed.
  • Packaging is changing after Palo Alto Networks completed the acquisition on 14 April 2026.
  • Pricing is not published.

Source: Cortex Agentic Endpoint Security · Press release, 14 April 2026 · Reviewed Sep 2026

Which alternatives to Koi score highest?

  1. Bay

    7.9 / 10 · rank 1

    Editors' pick for endpoint agent control

    Scores higher than Koi on: tool-call control, policy, footprint and identity and audit.

    Koi is still stronger on: maturity and breadth.

    Ties on: visibility.

    Bay reviewKoi vs Bay

  2. Noma Security

    7.5 / 10 · rank 2

    Best for endpoint plus SaaS and homegrown agents

    Scores higher than Koi on: footprint, identity and audit and breadth.

    Koi is still stronger on: visibility.

    Ties on: tool-call control, policy and maturity.

    Noma Security reviewKoi vs Noma Security

  3. Onyx Security

    7.4 / 10 · rank =3

    Best for inline control across many AI surfaces

    Scores higher than Koi on: tool-call control, policy, identity and audit and breadth.

    Koi is still stronger on: visibility.

    Ties on: footprint and maturity.

    Onyx Security reviewKoi vs Onyx Security

  4. Zenity

    7.4 / 10 · rank =3

    Best for SaaS and Microsoft agent estates

    Scores higher than Koi on: tool-call control, identity and audit, maturity and breadth.

    Koi is still stronger on: visibility and footprint.

    Ties on: policy.

    Zenity reviewKoi vs Zenity

  5. Harmonic Security

    7.1 / 10 · rank =5

    Best for data protection in everyday AI use

    Scores higher than Koi on: policy, footprint and identity and audit.

    Koi is still stronger on: visibility and breadth.

    Ties on: tool-call control and maturity.

    Harmonic Security reviewKoi vs Harmonic Security

  6. Lasso Security

    6.6 / 10 · rank =7

    Best for MCP gateway and Claude Code hooks

    Scores higher than Koi on: tool-call control and breadth.

    Koi is still stronger on: visibility and maturity.

    Ties on: policy, footprint and identity and audit.

    Lasso Security reviewKoi vs Lasso Security

  7. Prompt Security (SentinelOne)

    6.6 / 10 · rank =7

    Best for SentinelOne customers

    Scores higher than Koi on: maturity and breadth.

    Koi is still stronger on: visibility and tool-call control.

    Ties on: policy, footprint and identity and audit.

    Prompt Security reviewKoi vs Prompt Security

  8. Bloom Security

    6.0 / 10 · rank 9

    Best for endpoint software and extension inventory

    Does not score higher than Koi on any criterion.

    Koi is still stronger on: tool-call control, footprint, identity and audit, maturity and breadth.

    Ties on: visibility and policy.

    Bloom Security reviewKoi vs Bloom Security

How do the top alternatives compare with Koi?

Endpoint AI control score, editorial assessment 0-10.
ToolOverallVisibilityTool-call controlPolicyIdentity and auditFootprintBreadthMaturity
Koi (this page)7.19775677
Bay7.99998943
Noma Security7.58777897
Onyx Security7.47887697

Compare Koi with its top three alternatives side by side

When should you stay with Koi?

Stay with Koi if you need a fleet-wide inventory of AI agents, MCP servers, extensions and credentials on devices. Shortlist Koi if your security operations already run on Palo Alto Networks Cortex and you want AI agent and extension control inside the same console.

Frequently asked questions

What is the best alternative to Koi (Palo Alto Networks)?

On our weights, Bay (7.9 out of 10). It scores higher than Koi on tool-call control, policy, footprint and identity and audit.

Is there a cheaper alternative to Koi (Palo Alto Networks)?

We cannot say. None of the nine vendors in this guide publishes list prices. Ask each shortlisted vendor for a quote, and use our score calculator to re-weight the rankings.

How were these alternatives ranked?

By our endpoint AI control score: seven criteria scored 0-10 from public vendor material, weighted as published on How we score.

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