| What it does | Your agent, in any app.
| Private AI browser with built-in AI agent, local AI, and ad blocker
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| Stage | Growing
| Growing
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| Founded | Not given
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| Based in | US
| EE
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| Pricing model | Freemium
| Freemium
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| Pricing | 7-day free trial, then choose monthly subscription, yearly subscription at $59 (billed yearly), or lifetime license at $169 (one-time payment). Early bird pricing available until October 8.
| Not given
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| Key features | - TabTab autocomplete suggests next words inline in text fields
- Screen context attachment when working with supported providers
- Selection actions to rewrite, explain, search, or ask about selected text
- Clipboard history searchable and pasteable via ⌘⇧V
- Native screenshot and screen recording tools
- Works with multiple AI agents including Claude Code and Codex
- Support for local models via Ollama and Siri AI
- Works in Finder to set working directory and include selected files
- Optional iCloud Sync for history and settings
| - AI agent for automated task automation
- Local AI (Eclipse) running offline on device
- Deep Research mode for structured insights
- AI Chat for questions, research, and content creation
- Built-in ad blocker
- End-to-end encryption for data and conversations
- Mnemonic profiles with blockchain-based identity
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| What makes it different | - Native macOS app with no Electron, seamlessly integrated into text fields
- Bring your own AI agent instead of being locked into one provider
- All data stays on your Mac by default with optional iCloud Sync
- TabTab suggests completions inline within the text field in the app's own font
- Works in all editable text fields and terminals without requiring app-specific integration
| - AI agent that performs tasks on your behalf like a real user without setup or coding
- Local AI processing with Eclipse keeps data on device with no cloud sending
- Full privacy compliance with GDPR and CCPA standards
- Open-source browser code for transparent security review
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 12 ▲ +4 (up) since last check | 51 ● no change since last check |
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| Trust Flow (Majestic) | 22 | 25 |
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| Citation Flow (Majestic) | 23 | 46 |
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| Referring domains (Majestic) | 60 | 882 |
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Sigma Private AI Browser