Epic Games: Epic built an AI assistant into Unreal Engine and its Fortnite creator tools that helps developers write code, fix errors, and navigate the software by answering questions in plain language. It launched in 2025 and is available both inside the editor and on the web. Epic describes it as a learning aid, not a replacement for official documentation. | AI Trace
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Epic built an AI assistant into Unreal Engine and its Fortnite creator tools that helps developers write code, fix errors, and navigate the software by answering questions in plain language. It launched in 2025 and is available both inside the editor and on the web. Epic describes it as a learning aid, not a replacement for official documentation.
Details
The web-based version launched mid-2025 for Fortnite and UEFN creators; an in-editor version shipped with Unreal Engine 5.7 (late 2025) as an Experimental feature, accessible via a slide-out panel or by pressing F1 over any interface element for contextual help. The system reportedly uses OpenAI's GPT-4.1 model as its underlying large language model. Epic's official privacy policy discloses that the company works with "large language model providers" as service providers and states that when users engage AI-powered features such as the Epic Developer Assistant, their inputs are used to generate outputs. Epic explicitly warns the tool "is not intended to replace documentation or verified workflows."
