MultiBrain – Unified access to top LLMs without multiple subscriptions

Summary: MultiBrain provides a single interface to access leading large language models like GPT-5.2, Claude 4.5, and Gemini 3, eliminating the need for multiple costly subscriptions. It enables real-time comparison of responses and maintains universal context across models, streamlining AI workflows for users.

What it does

MultiBrain sends one prompt to multiple LLMs simultaneously and displays their answers side-by-side. It preserves global instructions and memory across all models within a minimalist interface.

Who it's for

It is designed for power users and professionals who require efficient comparison and orchestration of multiple AI models without managing separate subscriptions.

Why it matters

MultiBrain reduces subscription costs and workflow friction by consolidating access to top-tier LLMs into a single, affordable platform.