AI assistants for Unity, Unreal, Godot and Roblox
| Tool | Best for | Pricing | Free plan |
|---|---|---|---|
| Bezi | Unity developers and teams who want an assistant that plans and makes changes inside their existing project | Free trial with 100 credits; Pro $20/month, Advanced $60/month, Ultimate $180/month (as of October 2026) | Yes |
| GDevelop | Beginners and hobbyists who want a real 2D or 3D engine without writing code, with AI help inside the editor | Open source (MIT) | Yes |
| Roblox Studio Assistant | Roblox creators, from first-timers to experienced developers, who want AI to plan, script and populate a game inside Studio | Roblox Studio is free; Roblox's Assistant docs don't state a price (as of October 2026). You can also add your own Anthropic, OpenAI or Google API key | – |
| Ultimate Engine CoPilot | Unreal Engine 5 developers who want an AI agent to build Blueprints, C++ and levels inside the editor | One-time license $284.99 per seat (bring your own AI); Indie $25/month and Studio $80/month (shown as reduced from $100) with monthly AI tokens; annual billing $250 and $800 a year (as of October 2026) | – |
| Unity AI | Unity 6 developers who want AI help inside the Editor, or who want to drive Unity from Claude Code, Codex, Cursor or another agent | In-editor assistant included in Pro, Enterprise and Industry; Personal users get a 14-day trial, then $10/month. The official plugin, Unity CLI and its MCP server are free (as of October 2026) | Yes |
BeziAI assistant that edits Unity and Unreal projects
GDevelopOpen-source no-code game engine with an AI agent
Roblox Studio AssistantRoblox's built-in AI for scripting and building
Ultimate Engine CoPilotPaid Unreal Engine plugin for AI agents in the editor
Unity AIUnity's in-editor AI assistant, generators and MCP
Compiled by AIGamer from each tool's own pages; we haven't tested every tool hands-on. Prices change, so check the tool's site before you buy.