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WireGuard vs OpenVPN In Gluetun

WireGuard vs OpenVPN In Gluetun

📅 Jul 09, 2026 ⏱ 6 min read 🏷 Protocols

Which protocol should you use? This WireGuard vs OpenVPN comparison for Gluetun lays out the differences so you can choose with confidence. You select either one with a single environment variable.

WireGuard

WireGuard is modern, lean, and fast. It uses up-to-date cryptography, connects almost instantly, and typically delivers higher throughput with lower CPU usage — ideal for home servers and low-power devices.

Encryption illustration for WireGuard and OpenVPN

OpenVPN

OpenVPN is older but battle-tested and extremely widely supported. If your provider only offers OpenVPN, or you need its flexibility with ports and obfuscation, it remains a solid choice.

Side-By-Side

  • Speed: WireGuard is generally faster with less overhead.
  • Setup: WireGuard needs a key; OpenVPN uses username/password or config files.
  • Compatibility: OpenVPN is available on nearly every provider.
  • Resource use: WireGuard is lighter on CPU and battery.

Want the full feature picture? Read our Gluetun features guide.

Which Should You Choose?

If your provider supports WireGuard, start there for the best speed and simplicity. Otherwise OpenVPN has you covered. Either way, our beginner's guide will get you connected.