Is Ent or Koi better for AI endpoint control?

Neither is scored on this site. Ent describes 2 of four product control types and Koi 1 on the pages we read, and they differ on 6 recorded facts. Which fits depends on the AI tools people use, your devices, where the work happens and whether you block or guide; the finder checks those.

Which of the two decides on a tool call before it runs?

Ent: Partly. Koi: Partly. Warn or ask: Ent Matches, Koi Not in our sources.

Do Ent or Koi publish prices?

Ent: Not published (demo request). Koi: Not published.

HEAD-TO-HEAD · FACTS ONLY

Ent vs Koi: AI endpoint control facts side by side

Short answer

Ent describes 2 of the four product control types on the pages we read and Koi describes 1; they differ on browser extension. On decisions, Ent describes some control over tool calls and Koi describes some control over tool calls. We do not score either; the right choice depends on the AI tools people use, your devices, your current stack and whether you block or guide.

By The Device Desk · Endpoint AI Finder · Published 2026-10-11

Desk research from public vendor pages read on 27 September and 11 October 2026. Profiles follow our published method; we did not run the products.

Vendor pages read September and October 2026 · updated 2026-10-13

Where do their controls sit?

Filled or hatched marker: Ent
Dashed teal ring: Koi, described

DEV Filled marker: described on the product pages we read
DEV Hatched marker: partly described (another component, a narrower scope, or method not detailed)
DEV Dashed marker: not in our sources (it may exist; we did not find it)

The map shows where each product's own pages describe a control, or where your answers point. It is not a measure of how well a product works.

What are the facts, side by side?

Ent and Koi (Palo Alto Networks), from each product's own pages. Differs is computed from recorded statuses, not wording.
Fact	Ent	Koi
Owner	None	Palo Alto Networks (acquisition completed 14 April 2026)
Positioning	An intent-aware AI endpoint: one programmable policy for people and AI agents, with interventions from a soft nudge to a hard block, an on-device small language model that classifies sensitive data, and investigation timelines written in plain language. Use cases: insider risk, last-mile threats such as ClickFix, AI usage control and data security.	Koi, now sold by Palo Alto Networks as Cortex Agentic Endpoint Security, gives visibility into models, MCPs and extensions on endpoints, removes insecure packages, extensions and AI tools in one click, and stops malicious actions.
How it reaches devices	A single lightweight agent across Windows, macOS, Linux and modern browsers, run as SaaS or self-hosted in your own cloud; rollout through MDM is not stated. Source: Ent press: intent-aware prevention for AI agents, 30 July 2026 · Read 13 Oct 2026	Available as a Cortex XDR module or as a standalone agent. koi.ai now redirects to the Palo Alto Networks page. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026
On-device control	DescribedA single lightweight agent across Windows, macOS and Linux with one programmable policy for people and AI agents. Source: Ent press: intent-aware prevention for AI agents, 30 July 2026 · Read 13 Oct 2026	DescribedAgent-based visibility into models, MCPs and extensions, one-click removal of insecure packages, extensions and AI tools, and blocking of unsafe AI application interactions. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026
Browser extensionDiffers	DescribedBrowser-extension deployments generally available at launch. Source: Ent press: $100M seed, 16 June 2026 · Read 13 Oct 2026	Not in our sourcesNot described on the pages we read.
Network or SSE proxy	Not in our sourcesNot described on the pages we read.	Not in our sourcesNot described on the pages we read.
AI or MCP gateway	Not in our sourcesNot described on the pages we read.	Not in our sourcesNot described on the pages we read.
Names the coding agents it covers	MatchesNames OpenAI Codex, Claude Code, Claude Cowork, GitHub Copilot and Cursor. Source: Ent press: intent-aware prevention for AI agents, 30 July 2026 · Read 13 Oct 2026	MatchesA Palo Alto Networks blog of 18 August 2026 names Claude Code, Cursor, Codex and Antigravity. Source: Palo Alto Networks blog: A Quarter of Innovation with Koi Agentic Endpoint Security · Read 11 Oct 2026
Decides on a tool call before it runs	PartlyBlocks risky agent behavior where needed; per-tool-call mechanics are not described. Source: Ent press: intent-aware prevention for AI agents, 30 July 2026 · Read 13 Oct 2026	PartlyBlocks unsafe AI application interactions and prevents prompt injections; decisions on individual tool calls are not described. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026
Controls what goes into browser AIDiffers	PartlyClassifies sensitive data at the point of use on the device and in browsers; prompt-level controls are not detailed. Source: Ent press: intent-aware prevention for AI agents, 30 July 2026 · Read 13 Oct 2026	Not in our sources
Rolls out through EDR or device management you runDiffers	Not in our sources	PartlyA Cortex XDR module, or its own standalone agent. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026
Can warn or ask instead of only blockingDiffers	MatchesInterventions range from a soft nudge to a hard block. Source: Ent homepage · Read 13 Oct 2026	Not in our sources
Can block an agent, tool or action	MatchesA hard block is one of its interventions. Source: Ent homepage · Read 13 Oct 2026	MatchesStops malicious actions and removes insecure packages, extensions and AI tools in one click. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026
Has a watch-only or simulation mode	Not in our sources	Not in our sources
Records who or what took each actionDiffers	MatchesNatural-language investigation timelines. Source: Ent press: intent-aware prevention for AI agents, 30 July 2026 · Read 13 Oct 2026	Not in our sources
Also covers SaaS, cloud or homegrown AIDiffers	Not in our sources	PartlyPalo Alto Networks plans integration with Prisma AIRS, its wider AI security platform. Source: Palo Alto Networks press release: acquisition of Koi completed · Read 27 Sep 2026
Has a public price or tiers (vendor site or marketplace)	Not in our sources	Not in our sources
Built into	None	Offered as a Cortex XDR module. Source: Palo Alto Networks press release: acquisition of Koi completed · Read 27 Sep 2026
Works with	None in our sources	None in our sources
Price	Not published (demo request). Source: Ent homepage · Read 13 Oct 2026	Not published. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026

Where do they differ?

Browser extension: Ent describes it; Koi is not in our sources.
Controls what goes into browser AI: Ent partly matches; Koi is not in our sources.
Rolls out through EDR or device management you run: Ent is not in our sources; Koi partly matches.
Can warn or ask instead of only blocking: Ent matches; Koi is not in our sources.
Records who or what took each action: Ent matches; Koi is not in our sources.
Also covers SaaS, cloud or homegrown AI: Ent is not in our sources; Koi partly matches.

Choose Ent if

You want one policy for people and AI agents, with nudges as well as blocks
You need device and browser coverage from one agent

Choose Koi if

You already run Palo Alto Networks Cortex XDR
You want to find and remove risky extensions and packages across the fleet

Which limits should you check?

Ent

Per-tool-call mechanics and rollout through MDM are not described on the pages we read.
Uses its own agent, and no price is published.

Koi

Agent-based: it adds an agent unless you run it as a Cortex XDR module.
Warn or ask actions and a record that separates a person from an agent are not described on the pages we read, and no pricing is published.

Line up Ent and Koi with others Run the finder