Seagull vs HeyGen: Which Translation Tool Is Right for You?
HeyGen and Seagull both involve translation, but they solve fundamentally different problems. Here is how AI video dubbing compares to real-time audio translation.
What HeyGen does
HeyGen is an AI-powered video platform that specializes in translating and dubbing pre-recorded videos. It can take a video in one language and generate a new version with translated audio, lip-synced to the original speaker. The technology is impressive for content creators, marketers, and businesses that want to localize video content for global audiences.
HeyGen also offers AI avatar generation and video creation tools. For producing multilingual marketing videos, training materials, and social media content, it is a powerful post-production tool. The workflow involves uploading a finished video and getting back a dubbed version in your target language.
What Seagull does differently
Seagull works in real time, not on pre-recorded content. It captures live system audio from any desktop application and displays translated subtitles as a floating overlay on your screen. There is no upload step, no rendering wait time, and no post-production process. Translation happens as the audio plays.
This makes Seagull useful for live scenarios that HeyGen cannot handle: video calls, live streams, webinars, podcasts, and face-to-face conversations through its Conversation Mode. It supports 60+ languages and works across Mac, Windows, and Linux without plugins or browser extensions.
Which one should you choose?
Use HeyGen when you need to dub and localize pre-recorded video content for distribution. It is the right choice for content creators and marketers who want polished, multilingual versions of their videos with AI lip-sync.
Use Seagull when you need real-time translation of live audio on your desktop. If you are attending a call, watching a stream, or having a face-to-face conversation, Seagull provides instant translated subtitles without any post-production workflow.
How to Get Started
Available for Mac, Windows, and Linux. The app installs in seconds and requires no configuration.
Choose the language being spoken and the language you want to see. Seagull supports 40+ languages out of the box.
Seagull will transcribe and translate audio from any app in real time. Captions appear in a small overlay on your screen.
Frequently Asked Questions
Is Seagull better than HeyGen?
They are built for entirely different use cases. HeyGen dubs pre-recorded videos with AI lip-sync. Seagull translates live audio in real time with subtitle overlays. Pick the one that matches your workflow: post-production dubbing or live translation.
Can I use both Seagull and HeyGen?
Yes, they serve different needs. Use HeyGen to create dubbed versions of your recorded content, and Seagull to translate live audio during calls, meetings, and streams on your desktop.
Available for Mac, Windows, and Linux. 1 hour free trial included.