Natural Language Toolkit
Project Links
Meta
Author: NLTK Team
Maintainer: NLTK Team
Requires Python: >=3.10
Classifiers
Development Status
- 5 - Production/Stable
Intended Audience
- Developers
- Education
- Information Technology
- Science/Research
License
- OSI Approved :: Apache Software License
Operating System
- OS Independent
Programming Language
- Python :: 3.10
- Python :: 3.11
- Python :: 3.12
- Python :: 3.13
- Python :: 3.14
Topic
- Scientific/Engineering
- Scientific/Engineering :: Artificial Intelligence
- Scientific/Engineering :: Human Machine Interfaces
- Scientific/Engineering :: Information Analysis
- Text Processing
- Text Processing :: Filters
- Text Processing :: General
- Text Processing :: Indexing
- Text Processing :: Linguistic
The Natural Language Toolkit (NLTK) is a Python package for natural language processing. NLTK requires Python 3.10, 3.11, 3.12, 3.13, or 3.14.
3.9.4
Mar 24, 2026
3.9.3
Feb 24, 2026
3.9.2
Oct 01, 2025
3.9.1
Aug 18, 2024
3.9
Aug 18, 2024
3.9b1
Aug 16, 2024
3.8.1
Jan 02, 2023
3.8
Dec 12, 2022
3.7
Feb 09, 2022
3.6.7
Dec 28, 2021
3.6.6
Dec 21, 2021
3.6.5
Oct 11, 2021
3.6.4
Oct 01, 2021
3.6.3
Sep 20, 2021
3.6.2
Apr 20, 2021
3.6.1
Apr 07, 2021
3.6
Apr 07, 2021
3.5
Apr 12, 2020
3.5b1
Mar 08, 2020
3.4.5
Aug 20, 2019
3.4.4
Jul 04, 2019
3.4.3
Jun 06, 2019
3.4.2
Jun 06, 2019
3.4.1
Apr 17, 2019
3.4
Nov 17, 2018
3.3.0
May 06, 2018
3.2.5
Sep 24, 2017
3.2.4
May 20, 2017
3.2.3
May 17, 2017
3.2.2
Dec 31, 2016
3.2.1
Apr 09, 2016
3.2
Mar 03, 2016
3.1
Oct 15, 2015
3.0.5
Sep 06, 2015
3.0.4
Jul 13, 2015
3.0.3
Jun 11, 2015
3.0.2
Mar 13, 2015
3.0.1
Jan 12, 2015
3.0.0
Jan 12, 2015
3.0.0b2
Aug 26, 2014
3.0.0b1
Jul 11, 2014
2.0.5
Jan 12, 2015
2.0.4
Jan 12, 2015
2.0.3
Sep 24, 2012
2.0.2
Jul 05, 2012
2.0.1
May 15, 2012
2.0.1rc4
Feb 10, 2012
2.0.1rc3
Jan 07, 2012
2.0.1rc2
Dec 01, 2011
2.0.1rc1
Apr 11, 2011
2.0b9
Aug 23, 2010
2.0b8
Mar 10, 2010
2.0b7
Nov 09, 2009
2.0b6
Sep 25, 2009
2.0b5
Jul 19, 2009
2.0b4
Jul 15, 2009
3.4.win32
Nov 17, 2018
3.4.5.win32
Aug 20, 2019
3.4.4.win32
Jul 04, 2019
3.4.3.win32
Jun 06, 2019
3.4.2.win32
Jun 06, 2019
3.4.1.win32
Apr 17, 2019
3.3.0.win32
May 06, 2018
3.2.win32
Mar 03, 2016
3.2.5.win32
Sep 24, 2017
3.2.4.win32
May 20, 2017
3.2.3.win32
May 17, 2017
3.2.2.win32
Dec 31, 2016
3.2.1.win32
Apr 09, 2016
3.1.win32
Oct 15, 2015
3.0.5.win32
Sep 06, 2015
3.0.4.win32
Jul 13, 2015
3.0.3.win32
Jun 11, 2015
3.0.2.win32
Mar 13, 2015
3.0.1.win32
Jan 12, 2015
3.0.0b2.win32
Aug 26, 2014
3.0.0b1.win32
Jul 11, 2014
3.0.0.win32
Jan 12, 2015
2.0b8.macosx
Mar 10, 2010
2.0.5.win32
Jan 12, 2015
2.0.4.win32
Jan 12, 2015
2.0.3.win32
Sep 24, 2012
2.0.2.win32
Jul 05, 2012
2.0.1rc4.win32
Feb 10, 2012
2.0.1rc3.win32
Jan 07, 2012
2.0.1rc2-git
2.0.1rc1.macosx
Apr 11, 2011
2.0.1.win32
May 15, 2012
