Best multi-model chat AI tools

Chorus is a fast, lightweight desktop app for Mac that lets you chat with multiple cutting-edge AI models simultaneously. It unifies access to models like GPT, Claude, Gemini, and local open-source AIs in a single interface, complete with features for comparing responses, synthesizing answers, and integrating with your workflow through file uploads and screen context.

PromptVisor is an all-in-one AI platform that provides access to leading language models like ChatGPT, Gemini, Claude, and Mistral through a single subscription. Its standout feature, Multi-Model Conversations, allows users to query multiple AIs simultaneously, compare their responses side-by-side, and enhance productivity and creativity with powerful prompting tools.