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Most AI tools charge a subscription to mark up your API calls,
scatter your workflow across 5 tabs, and hold your data on
their servers.
Syntex AI OS fixes all three — at once.
It's a full desktop environment that runs in a browser tab.
Bring your OpenRouter key and unlock 300+ models — Claude,
ChatGPT, Gemini, Llama, paying providers directly at
cost. Your key is stored in your browser only. We never see it.
Pro tier is free for everyone until 100,000 users.
No credit card. No trial.
Syntex AI OSA full desktop OS in your browser — bring your own AI
Time Altleft a comment
Hey Product Hunt 👋 I want to tell you what actually made me build this. I was debugging a project at 2am. I had a terminal in one tab, an AI chat in another, my IDE in a third, A browser in a fourth. I was copy-pasting errors into ChatGPT, paying $20/mo for it, knowing it was marking up every token I sent. I thought: this is insane. A computer inside a computer and it's still more fragmented...
Syntex AI OSA full desktop OS in your browser — bring your own AI
Time Altstarted a discussion
How do I make the AI complete a Desktop Task?
Simply in Chat Mode, when the AI shows 'Execute' button in the chat message, click on it and it will complete the Task!
Time Altstarted a discussion
How to make the AI use the Desktop?
Simply include in your message 'Use the Desktop for this' simplest way of making it use the Desktop sandbox!