◆ 🎁 Try Ultimate Engine CoPilot Free

5 days free. All the core tools. Bring your own AI.

Get hands-on with the core toolset of the most adopted Copilot for UE5, right inside your own project. You bring the AI that drives it: an API key (DeepSeek, OpenAI, OpenRouter, Gemini), a connected agent (Claude Code, Copilot, Codex, Gemini CLI), or a local LLM. We recommend a test project (or having your work under source control) before letting AI loose on it.

↓ Start free trial See full version

Your API key, agent, or local LLM • 1 machine • Windows, UE 5.5 to 5.8

How it works

01

Create account

Sign up with your email and confirm it. Takes 30 seconds.

02

Download plugin

Grab the Windows build for your UE version (5.5 to 5.8).

03

Install

Drop into your project's Plugins/ folder. Restart UE5.

04

Activate

Enter your email in the plugin, paste the OTP code.

05

Connect your AI

Add an API key, connect an agent (Claude Code, Copilot, Codex, Gemini), or point at a local LLM. Then build.

Trial vs Full version

A taste of the main features. Upgrade for the full experience.

Feature	Trial	Full version
Duration	5 days	Forever
Tokens	None (you bring the AI)	Millions, hourly reset
Native tools	Core set (~half)	All 1,450+
Built-in AI (no setup)	No	✓
Connect Claude / OpenAI / Gemini	✓	✓
Local LLM support	✓	✓
Claude Code / Codex / GitHub Copilot agents	✓	✓
Voice input	No	✓
GDD + AI Memory	No	✓
Project Scanner + Learning tab	No	✓
Full C++ source code	No	✓
Machines	1	Per-seat
Lifetime updates	No	✓

The trial runs on your AI. Upgrade and the AI is built in: no keys, no setup, plus every tool and unlimited use.

See full version pricing →

🏆

Giveaway concluded

The refund-giveaway window closed 23 May 2026. Winner announced on the results page.

See results →

Trouble activating? Read the trial help & FAQ →