Details
The Unity AI Assistant uses large language models (LLMs) from OpenAI (GPT series) and Meta (Llama series) to answer user questions about Unity, generate C# code, and execute agentic actions such as modifying multiple files at once. It replaced the earlier Muse Chat feature, which was retired on October 1, 2025. As of early 2026, Unity was testing greatly improved agentic capabilities in a new beta, with a goal of enabling developers to prompt full casual games into existence using only natural language, targeting a GDC 2026 beta reveal.
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