BYOK List

Infinity

infinitychat.app

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Free Mac AI chat app with git-style branching: fork any part of an answer into its own thread, ask up to four models at once, and use your own keys or local models.

Works with your key from
OpenAIAnthropicGoogle GeminixAIMistralGroqOpenRouterTogether AIHugging FaceOllamaLM Studio
Category
ChatbotProductivityDesktop & Mobile App
Price
Free
Runs on
macOS
Your key is stored
On your device
BYOK support checked
Screenshot of the Infinity website

About Infinity

Infinity is a native Mac chat app built around branching: highlight any part of an answer to follow it into a new branch, and every path stays where you left it. One message can go to up to four models, each answer becoming its own branch, and each kind of work can be assigned its own model. Cloud models (OpenAI, Anthropic, Google, xAI, Mistral, Groq, OpenRouter, Together, Hugging Face or any OpenAI-compatible endpoint) use your own key, stored in the macOS Keychain, and messages go straight to the provider; local models run through Ollama, LM Studio, Apple Intelligence or MLX. A ChatGPT plan can also be connected through Codex. It is free, needs no account, has no in-app analytics and is in early testing (macOS 14 or newer).

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