Side by side

Apertium vs Argos Translate

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.

Apertium

Free plan APILinuxMac+3

Apertium offers rule-based translation across web, desktop, and command-line options, with support for multiple document formats. Its file-size cap and formatting-marker limitation are worth considering for document workflows.

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Argos Translate

Free plan APILinuxSelf-hosted

Argos Translate offers several ways to run offline translation and supports custom language models. Check that the required pair is available, especially if direct translation quality matters.

Visit Argos Translate

The facts

	Apertium	Argos Translate
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Mac, Self-hosted, Web, Windows	API, Linux, Self-hosted
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	apertium.com	argosopentech.com
On translation software	#2 of 156	#6 of 156

Apertium: what it does well

Translates text, webpages, and documents.
Supports DOCX, XLSX, PPTX, ODT, and other formats.
Simpleton can download language packages for offline translation.
APy provides morphological analysis and generation.
Available as free, open-source software.

What to know first

Document files must be below 32 MB.
The toolchain does not currently use neural translation methods.
Tools cannot handle reordered formatting markers called superblanks.
The web interface requires an Apertium HTTP API.

Argos Translate: what it does well

Works offline and is free to use.
Available as a Python library, CLI, or GUI.
Users can train and package custom language models.
Dual licensed under MIT or Creative Commons CC0.

What to know first

The requested language pair must be installed first.
Indirect translation through another language may reduce quality.

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