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Perplexity Computer can run asynchronous work and scheduled monitoring while the user is away.

Codex cloud tasks run independently in separate environments and can be delegated in parallel.

Cursor supports remote background agents launched from web or mobile and handed back to the desktop editor.

GitHub Copilot can delegate cloud coding work that produces changes and pull requests for later review.

Replit Agent supports extended autonomous runs, while availability and duration depend on selected mode and account limits.