No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
sentencepiece has 32.3M monthly downloads and 12K GitHub stars. Version 0.2.1 supports Python 3.9+, first published in 2017.
It is actively maintained, last released in Aug 2025.
It is used by 1,264 tracked packages, including sglang, vllm and unsloth.
GitHub topics include neural-machine-translation, natural-language-processing and word-segmentation.
Package Insights
Package Risks
- No releases in 323 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
87
Adoption
80
Community
70
Provenance
0
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
32,290,393
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
32,290,393
Stars
11,949
Stars per 1k downloads
0.37
•
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
1,137,305
Month daily avg
1,076,346
Momentum
+5.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.9
Cutting Edge
Minimum supported version is 3.12 or newer
•
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Not specified
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
•
Unknown
No license specified, or none of the above match
Package does not declare a license.
How the release cadence was determined
Last release
328 days ago
Total releases
34
Releases/year
3.8
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
120
Monthly downloads
32,290,393
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
52
Issue Burden
0.4
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
8.8%
contrib / forks
Stale Release
323d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
638.5K
Windows
46.4K
macOS
28.5K
Python Versions
3.12
31.1%
191.6K
3.10
18.8%
116.1K
3.11
18.3%
112.9K
3.7
18.1%
111.4K
3.9
13.7%
84.7K
Top Countries
1.
US
522.6K
US
2.
DE
27.0K
DE
3.
JP
16.1K
JP
4.
SG
14.6K
SG
5.
IN
14.5K
IN
6.
KR
12.9K
KR
7.
IE
12.5K
IE
8.
CN
11.0K
CN
9.
CA
10.3K
CA
10.
NL
7.0K
NL
Used By
1264
- sglang
- vllm
- unsloth
- speechbrain
- open-webui
- mlx-lm
- unsloth-zoo
- llamafactory
- gliner
- flagembedding
- keras-hub
- funasr
- pytorch-tokenizers
- torchtune
- seqio
- aiperf
- seqio-nightly
- vllm-cpu
- pyiqa
- google-tunix
- gllm-inference-binary
- detoxify
- ms-swift
- inference-models
- transformer-lens
- tf-models-nightly
- audiocraft
- litert-torch
- invokeai
- garak
- unbabel-comet
- lmdeploy
- simpletransformers
- auto-gptq
- tflite-model-maker-nightly
- amd-quark
- vllm-tpu
- tf-models-official
- pyserini
- pytorch-transformers-pvt-nightly
- animica
- moshi
- keras-hub-nightly
- mflux
- pocket-tts
- autotrain-advanced
- xfuser
- gemma
- llm-foundry
- pytorch-transformers
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Unknown
First Release
August 28, 2017
Last Release
10 months ago
Last Commit
6 days ago
Latest Version
0.2.1
Total Releases
34
Contributors
120
Open PRs
1
Archived
No
Python Versions
3
3.9
3.10
3.11
3.12
3.13
3.14
Wheels
cp27
cp310
cp311
cp312
cp313
cp314
cp33
cp34
cp35
cp36
cp37
cp38
cp39
pp37
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh