Head to head · Checked against vendor sites, September 2026
Koi (Palo Alto Networks) vs Ent: AI agent security compared
The verdict
Koi scores higher overall on our weights (7.1 vs 6.7 out of 10). Koi scores higher on visibility, maturity and breadth; Ent scores higher on policy and identity and audit. They tie on tool-call control and footprint. Neither publishes list prices.
Koi (Palo Alto Networks Cortex Agentic Endpoint Security)
Owner: Palo Alto Networks (acquisition completed 14 April 2026)
Best for Palo Alto Cortex customers
How do Koi and Ent compare on each criterion?
| Criterion | Weight | Koi | Ent | Edge |
|---|---|---|---|---|
| Visibility | 22% | 9 | 7 | Koi |
Why these scoresKoi: Visibility into models, MCPs, extensions and packages on the endpoint, with risk scoring. Ent: A live view of OpenAI Codex, Claude Code, Claude Cowork, GitHub Copilot, Cursor and other AI tools and agents; MCP server and credential inventory is not itemized. | ||||
| Tool-call control | 20% | 7 | 7 | Tie |
Why these scoresKoi: Blocks unsafe AI application interactions and prevents prompt injections; tool-call level mechanics not published. Ent: Steps in at the moment of risk and blocks risky agent behavior; per-tool-call mechanics are not described on the pages we read. | ||||
| Policy | 15% | 7 | 8 | Ent |
Why these scoresKoi: Out-of-the-box policies and one-click removal of insecure packages, extensions and AI tools. Ent: One programmable, intent-aware policy for people and AI agents, with responses from a soft nudge to a hard block, and app control that can allow, block, deny or restrict usage; an on-device small language model classifies sensitive data. | ||||
| Identity and audit | 12% | 5 | 7 | Ent |
Why these scoresKoi: Agent vs human attribution not described on the pages we reviewed. Ent: Applies the same policy to people and agents and builds investigation timelines annotated in plain language as events happen. | ||||
| Footprint | 13% | 6 | 6 | Tie |
Why these scoresKoi: Agent-based; offered as a Cortex XDR module and as a standalone offering. Ent: A single lightweight agent across Windows, macOS, Linux and modern browsers, as SaaS or self-hosted in your own cloud; rollout through MDM is not stated. | ||||
| Breadth | 8% | 7 | 6 | Koi |
Why these scoresKoi: Palo Alto Networks is integrating Koi with Prisma AIRS for wider AI coverage. Ent: Endpoint and browser coverage for insider risk, last-mile threats such as ClickFix, AI usage control and data security; SaaS agents and cloud workloads are not described. | ||||
| Maturity | 10% | 7 | 5 | Koi |
Why these scoresKoi: Acquisition completed 14 April 2026 by Palo Alto Networks; pricing not published. Ent: Came out of stealth on 16 June 2026 with a $100 million seed led by Decibel; founders co-founded RiskIQ; no documentation portal or pricing on ent.ai. | ||||
| Total | 100% | 7.1 | 6.7 | Koi |
How do they deploy, and what do they cost?
| Attribute | Koi | Ent |
|---|---|---|
| Owner | Palo Alto Networks (acquisition completed 14 April 2026) | Not acquired |
| How it reaches devices | Cortex XDR module or standalone agent | Single lightweight agent; SaaS or self-hosted |
| Deployment detail | Integrates with Cortex XDR as a module and is also available standalone as an agent-based deployment. If you run Cortex XDR, this is the lowest-friction path; if you run another EDR, expect a separate agent. | A single lightweight agent across Windows, macOS, Linux and modern browsers, as SaaS or self-hosted in your own cloud. Rollout through MDM is not stated. |
| Pricing | Contact sales. Pricing is not published. | Contact sales. Ent does not publish pricing. |
Source: Cortex Agentic Endpoint Security · Press release, 14 April 2026 · ent.ai · Ent press: intent-aware prevention (30 Jul 2026) · Ent press: $100M seed (16 Jun 2026) · Ent company · Reviewed Sep 2026
Which should you choose?
Choose Koi if
- Your priority matches our designation for Koi: best for Palo Alto Cortex customers.
- You need a fleet-wide inventory of AI agents, MCP servers, extensions and credentials on devices: Koi scores 9 to 7.
- Vendor maturity, public documentation and backing weigh heavily in procurement: Koi scores 7 to 5.
Choose Ent if
- Your priority matches our designation for Ent: best for one intent-aware policy across people and agents.
- You need an audit record that separates agent actions from human actions: Ent scores 7 to 5.
- You want context-aware rules and answers beyond allow and block: Ent scores 8 to 7.
Frequently asked questions
Which is better, Koi (Palo Alto Networks) or Ent?
Koi scores higher overall on our weights (7.1 vs 6.7 out of 10). Koi scores higher on visibility, maturity and breadth; Ent scores higher on policy and identity and audit. They tie on tool-call control and footprint. Scores are editorial assessments from public vendor material, reviewed September 2026.
Do Koi (Palo Alto Networks) and Ent publish prices?
No. Neither publishes list prices, so ask both for a quote.
Do Koi (Palo Alto Networks) or Ent replace EDR?
No. The tools in this guide add control over AI agent actions and work alongside EDR. Koi: Cortex XDR module or standalone agent. Ent: Single lightweight agent; SaaS or self-hosted.
Related
Sources
- Cortex Agentic Endpoint Security · Reviewed Sep 2026
- Press release, 14 April 2026 · Reviewed Sep 2026
- ent.ai · Reviewed Sep 2026
- Ent press: intent-aware prevention (30 Jul 2026) · Reviewed Sep 2026
- Ent press: $100M seed (16 Jun 2026) · Reviewed Sep 2026
- Ent company · Reviewed Sep 2026