compare
BabelDOC vs NextAI Translator
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | BabelDOC | NextAI Translator |
|---|---|---|
| Language | Python | TypeScript |
| Licence | AGPL-3.0 | AGPL-3.0 |
| Stars | 9.7k | 25k |
| Latest | v0.6.4 | v0.6.43 |
| Last push | 2026-08-05 | 2026-09-03 |
| Release cadence | about 13 days between releases | about 1 day between releases |
| Active contributors | 1 commit author on the default branch in the last 90 days | 8 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace DeepL. Alternatives to DeepL →
PartialBabelDOCTranslates PDF documents into bilingual or translated-only PDFs from the command line.
PartialNextAI TranslatorA desktop app and browser extension that translates and polishes text through an LLM API.
BabelDOC
- v0.6.42026-07-16Added a unified per-page raster pixel budget for layout detection, improving
- v0.6.32026-06-03Fixed translated output for PDFs that use Type3 fonts with a non-default
- v0.6.22026-05-08Fixed a CI lint issue in the public source package.
- v0.6.12026-05-08Fixed recursion-depth failures that could occur while translating PDFs with
- v0.6.02026-05-07BabelDOC's translation pipeline now uses a substantially rewritten PDF parser.
NextAI Translator
- v0.6.432026-08-23Fix newer GPT-5 models being sent an unsupported parameter
- v0.6.422026-08-21Fix the model picker committing the wrong model
- v0.6.412026-08-21Reliability fixes for submitting and loading states
- v0.6.402026-08-19Browser-like back and forward navigation between translation views
- v0.6.392026-08-19LiteLLM provider, Markdown tables, and a Linux tray fix
BabelDOC
unsigned The latest release, v0.6.4, carries no signature GitHub could verify.
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NextAI Translator
unsigned The latest release, v0.6.43, carries no signature GitHub could verify.
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