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sentencepiece

Unsupervised text tokenizer and detokenizer.

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natural-language-processingneural-machine-translationword-segmentation
github.com/google/sentencepieceApache-2.0Taku Kudo7M / week12.2k · 1.4k forks · 124 contributors
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Compares against 0.2.2 (latest stable)
Latest Stable0.2.2Jul 12, 2026
Release cadenceEvery 5 months
Last releaseJul 12, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases
Release history Security
0.x
STABLE · RCPRE-RELEASEOct2024AprJulOct2025AprJulOct2026AprJul

31 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version
sentencepiece 0.1 → 0.20.1.99 → 0.2.2Jul 12, 2026 BreakingSecurity8Platform4Deprecated1New12Changed11Fixed5Other6sentencepiece 0.0 → 0.10.0.9 → 0.1.99May 2, 2023 BreakingBreaking2Platform2Deprecated1New22Changed20Fixed20Other5
VersionChannelDateChangesSecurity
0.2.2 StableJul 12, 2026Security6New6Changed7Fixed1Other50.2.1 StableAug 12, 2025Security2Platform3Deprecated1New2Changed1Fixed1Other1Fix0.2.0 StableFeb 19, 2024Platform1New4Changed3Fixed30.1.99 youStableMay 2, 2023Changed1Fixed30.1.98 StableApr 12, 2023Platform1New1Changed4Fixed50.1.97 StableAug 7, 2022Breaking1Platform1New9Changed2Other30.1.96 StableJun 18, 2021New3Changed30.1.95 StableJan 10, 2021Breaking1New1Changed10.1.94 StableOct 24, 2020New2Changed1Fixed20.1.92 YankedJun 8, 2020Changed2Fixed20.1.91 StableMay 21, 2020New3Fixed30.1.90 StableMay 13, 2020Other10.1.86 StableApr 24, 2020Changed20.1.85 StableDec 15, 2019Changed10.1.83 StableAug 16, 2019Changed1Other10.1.82 StableApr 13, 2019Fixed10.1.81 StableMar 22, 2019Fixed10.1.8 StableJan 11, 2019New2Changed2Fixed20.1.7 StableDec 26, 2018Deprecated1New1Fixed10.1.6 StableNov 12, 2018No changes listed