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LibreTranslate

Free and open source machine translation API, self-hosted and offline capable

Alternative to: google translate, deepl, microsoft translator


About Versions (53)

v1.9.6

2026-05-26

Added Turkish language support to the user interface.

v1.9.5

2026-03-03

This release fixes the version display and implements prefetching for MiniSBD models.

v1.9.4

2026-02-24

Fixed an issue with file translation.

v1.9.3

2026-02-21

This release includes general bug fixes and improvements to enhance stability and performance.

v1.9.2

2026-02-21

This release includes various bug fixes and stability improvements.

v1.9.1

2026-02-21

This release includes bug fixes and general improvements to the translation engine and API.

v1.9.0

2026-02-10

This release fixes timezone detection in CUDA containers, adds Portuguese language variant fallback, updates APScheduler, and removes pytorch and stanza dependencies.

v1.8.4

2026-02-02

Updates Docker base images to Python 3.11.14, introduces a translation cache option, and updates argos-translate to use MINISBD.

v1.8.3

2025-12-04

Updates apscheduler and fixes health checks and bind address issues for IPv4-only setups.

v1.8.2

2025-12-04

This release adds version display on index, loosens torch dependencies, integrates gunicorn into Docker, removes sessions, and fixes installation for Python 3.13 and 3.14.

v1.8.1

2025-12-03

Fixed the torch version for Python versions below 3.12 and reverted a previous argos update.

v1.8.0

2025-11-16

This release adds a /health endpoint, removes Google Analytics, fixes tests, and updates dependencies for Python 3.13 compatibility.

v1.7.3

2025-08-31

This release introduces PDF support, adds Python 3.13 compatibility, and fixes issues with --url-prefix and CUDA Docker permissions.

v1.7.2

2025-07-10

This release introduces ISO 639-1 - 15924 code support, new frontend customization options, fingerprinting, attack mode, and various translation and Dockerfile improvements.

v1.6.5

2025-03-25

This release includes Docker security updates, improved language detection for emojis, Traditional Chinese translation enhancements, and a new default for ARGOS_DEVICE_TYPE.

v1.6.4

2025-01-18

This release includes updates to the README, mirrors, and Lexilang package, along with a torch upgrade to fix language detection.

v1.6.2

2024-10-28

This release updates multiple locales, adds support for the gd locale and 'auto' language detection when translating files, and includes various minor fixes.

v1.6.1

2024-09-21

This release includes Dockerfile updates for NumPy and CUDA, various documentation improvements, and several localization updates.

v1.6.0

2024-06-03

Updated Argos Translate to v1.9.6, upgraded Python base image to v3.11.9, updated CUDA to 12, and added support for alternative translations.

v1.5.7

2024-04-22

This release includes documentation updates for the detect endpoint and README, updates to Hungarian language review, and a localization fix for docker and pip.

v1.5.6

2024-03-06

Introduced TypeScript and R language bindings, added ltmanage to bin, enabled IPv6 support, and added a request time cost option.

v1.5.5

2024-01-21

Added support for granular API key character limits.

v1.5.4

2024-01-10

Updated dependencies to address security vulnerabilities and marked Czech as reviewed.

v1.5.3

2024-01-03

Introduces dynamic limiter costs, hourly decay limits, ARM Docker support, a Ruby API wrapper, and updated Kubernetes/Helm documentation.

v1.5.2

2023-11-15

Added an hourly request limit option, pinned torch to version 2.0.1, and removed the translate.argosopentech.com mirror.

v1.5.1

2023-11-09

Fixed an issue with batch automatic language detection.

v1.5.0

2023-10-31

Updated language detection to use lingua and langdetect libraries.

v1.4.1

2023-10-30

Fixed a Docker crash issue specifically affecting ARM architecture.

v1.4.0

2023-10-22

This release adds Ukrainian translation, updates the dockerignore file, and upgrades GitHub Actions to the latest versions.

v1.3.13

2023-10-09

This release introduces JSON submissions for suggestions, model update options, CTranslate2 v3, a dark/light mode toggle, and updated mirror lists.

v1.3.12

2023-09-26

This release includes various bug fixes, UI improvements for dark mode, the addition of a Helm Chart and k8s deployment file, and updates to linting tools and project configuration.

v1.3.11

2023-05-29

This release optimizes Docker image size and build speed, improves documentation and translations, and adds support for UTF-8 JSON output.

v1.3.10

2023-03-11

This release upgrades Argos Translate to 1.8, adds secrets support and shared storage options, and fixes issues with the metrics endpoint and variable initialization.

v1.3.9

2023-01-30

Improved web accessibility with WAI-ARIA, added localization support, updated dependencies, and added a Docker healthcheck script.

v1.3.8

2023-01-06

This release introduces support for url-prefix and fixes references to app and url.

v1.3.7

2022-12-30

The tests directory was moved inside the libretranslate folder.

v1.3.6

2022-12-27

This release includes general bug fixes and updates to the Prometheus metrics namespace.

v1.3.5

2022-12-26

This release adds support for Prometheus monitoring.

v1.3.4

2022-12-20

Added a Java library, a helper script, and various miscellaneous improvements.

v1.3.3

2022-12-11

This release introduces Apple M1 support, ARM docker images, and various miscellaneous fixes and improvements.

v1.3.2

2022-11-16

This release adds NGINX to the reverse proxy section, fixes a README typo, and removes the Polyglot transliteration library.

v1.3.1

2022-11-10

This release introduces Redis support for persistent request limit storage, adds a Swift binding to the README, fixes a dark mode UI issue, and provides a Caddy reverse proxy example.

v1.3.0

2022-10-05

This release introduces expanded CUDA support, improved translation and punctuation handling, dark theme updates, security fixes, and various UI and Docker enhancements.

v1.2.9

2022-05-19

This release updates dependencies including Flask 2 and Argos Translate, adds PHP bindings, implements a dark theme, and improves Docker builds and documentation.

v1.2.8

2022-05-19

v1.2.7

2022-02-18

The update includes bug fixes, UI enhancements, and translation improvements.

v1.2.5

2021-09-24

This release includes various bug fixes.

v1.2.4

2021-09-14

Added beta HTML support, updated ArgosTranslate, and included various bug fixes and improvements.

v1.2.3

2021-04-02

This release includes minor additions and bug fixes.

v1.2.2

2021-03-07

Upgrades argos and includes minor fixes.

v1.2.0

2021-02-10

Added API detection functionality.

v1.1.0

2021-01-16

Added support for automatic input language detection and various miscellaneous fixes.

v1.0.0

2020-12-21

General improvements and bug fixes.