Side by side

Bergamot Translator vs Marian NMT

Both stand on translation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Bergamot Translator

Free plan APIExtension

Bergamot offers local browser translation and developer resources, with TranslateLocally as its Firefox route. Review the extension permissions and listed language coverage to see whether they fit your use.

Visit Bergamot Translator

Marian NMT

Free plan APILinuxSelf-hosted+1

Marian NMT focuses on model training and machine translation rather than packaged translation-management features. Its broad architecture support, CPU/GPU operation, and permissive license make it suitable for technical teams creating custom deployments.

Visit Marian NMT

The facts

	Bergamot Translator	Marian NMT
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Extension	API, Linux, Self-hosted, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	browser.mt	marian-nmt.github.io
On translation software	#19 of 156	#23 of 156

Bergamot Translator: what it does well

Translation runs locally in the browser.
Can translate full websites, selected text, and form entries.
Listing says it works with poor or absent internet.
Free Firefox extension under Mozilla Public License 2.0.

What to know first

Extension requires access to browser tabs and website data.
Extension can communicate with programs outside Firefox.
Limited Icelandic and Norwegian support is into English.

Marian NMT: what it does well

Free, MIT-licensed framework
Supports CPU and GPU translation
Multi-GPU training support
Includes Transformer and RNN architectures
Static compilation supports portable binaries

What to know first

No document translation tools
No website translation tools
No translation memory or glossary tools

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