Multi-provider in one thread
Switch among OpenAI, Anthropic, and Google models without changing apps.
Native macOS app | Local-first context
All your AI, one serious workspace.
ChatGPT, Claude, and Gemini in one app with memory, hybrid semantic recall, workspace file context, branching edits, and real-time model switching.
Key capabilities
Focused set of features for daily heavy usage, without cloud lock-in.
Hybrid history search
Keyword matches first, then semantic retrieval over embedded messages.
RAG context routing
High-confidence conversations can be injected in full; others as concise snippets.
Import from ChatGPT exports
JSON/ZIP import, dedup logic, image attachment handling, and reset/cleanup controls.
Memory + workspace context
Per-conversation memory configuration and workspace snippet retrieval from indexed files.
Advanced response controls
Retry, model switch, branch from message, and edit user messages with branch tracking.
Voice + readability
Text-to-speech for assistant output and smoother audio capture with live waveform.
Privacy and security
Data stored locally on Mac, API keys in Keychain, app sandbox enabled.
Live update notification
In-app update banner + release notes modal tied to GitHub release feed.
Install on macOS
Standard internet-download flow, including Apple security prompts.
1
Download the latest DMG
Use the button below. It always resolves to the newest published release.
2
Open DMG and move app to Applications
Drag OmniChat.app into your Applications folder.
3
First launch
Open OmniChat from Applications. You may need to right-click and choose Open once.
4
If blocked by Gatekeeper
Go to System Settings -> Privacy & Security, find OmniChat, click Open Anyway, then confirm Open.
Apple security warning is normal for unsigned internet apps
If you see "cannot be opened because Apple cannot check it for malicious software" or "developer cannot be verified", use the Privacy & Security override above.
- After first trust approval, next launches are normal.
- Only install from the official GitHub repository.
Requirements
Bring your own API credentials. App runs fully on macOS.