Chorus

Freemium

A tool to chat with multiple AI models on Mac.

Chorus is a lightweight desktop application for Mac designed to facilitate simultaneous interactions with multiple AI models. It features a Rust-based backend for speed and includes capabilities for URL parsing, document uploads, and response synthesis. The tool is intended for users who need to compare outputs from cloud providers like OpenAI and Anthropic alongside local models. (verified: 2026-01-29)

Jan 29, 2026
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Pricing: Freemium
Last verified: Jan 29, 2026
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Key facts

Pricing

Freemium

Use cases

Developers and researchers needing to compare responses from multiple cloud and local AI models simultaneously within a single interface (verified: 2026-01-29), Technical professionals requiring a tool to synthesize answers from different AI providers to reach a consensus on complex queries (verified: 2026-01-29), Mac users who want to process local documents and URLs through various AI models using a keyboard-driven desktop application (verified: 2026-01-29)

Strengths

The application supports a wide range of models including GPT-4o, Claude Sonnet, Gemini, and local open-source models via Ollama (verified: 2026-01-29), A built-in synthesis feature allows users to combine and analyze responses from different AI models to get multifaceted viewpoints (verified: 2026-01-29), The software includes native capabilities for URL parsing, PDF document uploads, and full-text search to enhance the context of AI chats (verified: 2026-01-29)

Limitations

The application is currently available for Mac users while Windows users are restricted to a waitlist for future access (verified: 2026-01-29), The Hobby tier requires users to provide their own API keys and limits Plus model access to fifty free requests (verified: 2026-01-29)

Last verified

Jan 29, 2026

Strengths

  • The application supports a wide range of models including GPT-4o, Claude Sonnet, Gemini, and local open-source models via Ollama (verified: 2026-01-29)
  • A built-in synthesis feature allows users to combine and analyze responses from different AI models to get multifaceted viewpoints (verified: 2026-01-29)
  • The software includes native capabilities for URL parsing, PDF document uploads, and full-text search to enhance the context of AI chats (verified: 2026-01-29)

Limitations

  • The application is currently available for Mac users while Windows users are restricted to a waitlist for future access (verified: 2026-01-29)
  • The Hobby tier requires users to provide their own API keys and limits Plus model access to fifty free requests (verified: 2026-01-29)

FAQ

Which specific AI models can I access through the Chorus desktop application on my Mac?

Chorus provides access to various cloud models such as GPT-4.5, Claude Sonnet 4, Gemini 2.5 Pro, and DeepSeek R1. It also supports running local open-source models through an integration with Ollama, allowing for both cloud-based and local AI interactions within the same interface (verified: 2026-01-29).

What are the primary differences between the Hobby and Plus subscription tiers for Chorus users?

The Hobby tier is free and requires users to bring their own API keys, offering unlimited access to fast models and fifty requests to Plus models. The Plus tier costs twenty dollars per month and includes direct access to Plus models like Claude Sonnet 4 and o3 without the same initial request limits (verified: 2026-01-29).

Does Chorus provide any features for handling external documents or web content during AI chat sessions?

Yes, the application includes built-in tools for URL and PDF parsing, which allows users to upload documents or link web pages directly into their chats. This data can then be processed by the selected AI models for summarization or analysis (verified: 2026-01-29).