Chorus

Open-source desktop app for chatting with many AI models at once.

Open Source Coding & Development
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What is Chorus?

Chorus is a fast, lightweight desktop app that lets you chat with several frontier AI models at once — GPT, Claude, Gemini, DeepSeek, and local models via Ollama — in one interface. Its headline feature is synthesis: it queries multiple models simultaneously and merges their answers into a single response for easy comparison. It also parses URLs, PDFs, and images, with full-text chat search and custom prompts. Not affiliated with the ZoomInfo sales product of the same name.

Key features

  • Simultaneous multi-model chat
  • Response synthesis across models
  • URL, PDF, and image parsing
  • Full-text chat history search
  • Local models via Ollama

Chorus at a glance

PricingOpen Source
CategoryCoding & Development
Platformsmacos
Official websitechorus.sh
chatmulti-modelopen-sourcedesktop

How to choose the right Coding & Development tool

The right coding tool depends on where you write code and how much of your codebase it can understand. IDE integration is the first filter — a tool that lives in your editor, sees your project files and respects your stack will help far more than a general chatbot you paste snippets into. Look for accurate completions, clear explanations of suggested changes, and strong refactoring and debugging support for your main languages. Privacy deserves real attention: check whether your code is used for training, and whether a self-hosted or enterprise option exists for sensitive projects. Price against the hours it actually saves — most developers feel the difference within the first week of real use.

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Chorus FAQs

What is Chorus?

Chorus is a fast, lightweight desktop app that lets you chat with several frontier AI models at once — GPT, Claude, Gemini, DeepSeek, and local models via Ollama — in one interface. Its headline feature is synthesis: it queries multiple models simultaneously and merges their answers into a single response for easy comparison. It also parses URLs, PDFs, and images, with full-text chat search and custom prompts. Not affiliated with the ZoomInfo sales product of the same name.

What are the main features of Chorus?

Chorus offers Simultaneous multi-model chat, Response synthesis across models, URL, PDF, and image parsing, Full-text chat history search and Local models via Ollama.

How much does Chorus cost?

Chorus is open source, so the software itself is free to download, use and self-host. Your only costs are the infrastructure you run it on and any paid services you connect to it.