16.7
Free planWebAPISelf-hosted
Best Natural Language Processing Software in 2026
Natural language processing software handles text through operations including classification, entity extraction, sentiment analysis and language detection. Tools in this category can be free, freemium or paid. Compare the tasks a tool supports, its free plan or starting price, deployment choices and API access. If you plan to work from a Xiaomi or Redmi phone or tablet, check for Android support; listed platform…
26.7
spaCy is a free, open-source Python library for building natural language processing applications, with an emphasis on production use and large volumes of text.
Free planLinuxmacOSSelf-hosted
36.0
Symanto Insights Platform is a paid text analytics service for examining customer or employee feedback.
WebAPI
- 4
Relative Insight
Relative Insight is a web-based comparative text analytics platform for finding differences, similarities and patterns across text datasets.
Web5.7 - 54.8
- 6
fastText
WebLinuxmacOS4.8 - 7
Gensim
LinuxmacOSWindows4.8 - 8
Hugging Face Transformers
LinuxmacOSWindows4.8 - 9
Lexalytics
Web4.8 - 10
Spark NLP
LinuxmacOSWindows4.8 - 114.7
- 12
Apache UIMA
LinuxmacOSWindows4.7 - 13
Flair
LinuxmacOSWindows4.7 - 14
HanLP
LinuxmacOSWindows4.7 - 15
Luminoso
Web4.7 - 16
MALLET
LinuxmacOSWindows4.7 - 17
NLTK
LinuxmacOSWindows4.7 - 18
PaddleNLP
LinuxmacOSWindows4.7 - 19
Polyglot
LinuxmacOSWindows4.7 - 20
Stanford CoreNLP
LinuxmacOSWindows4.7 - 21
TextRazor
Web4.7 - 22
UDPipe
LinuxmacOSWindows4.7 - 23
DeepPavlov
Linux4.4 - 244.4
- 254.3
Choosing well
Check the pricing model
Tools on this list offer free plans, including Apache UIMA, DeepPavlov, fastText, Flair, Gensim, HanLP and Hugging Face Transformers. Some paid services show an entry price, such as Amazon Comprehend from $0.00, whereas Expert.ai Platform gives pricing on request.
Review each plan before deciding, particularly if your project depends on a free plan or free trial.
Match the text tasks
Check each tool for text classification, entity extraction, sentiment analysis and language detection support. Apache OpenNLP lists text classification support, while the category comparison shows these capabilities as separate checks.
Choose a tool based on the text operation you need rather than its name alone.
Choose where it runs
The listed deployment choices span Linux, macOS, Windows, web, API and self-hosted arrangements. A web platform may suit browser work, while self-hosting can fit a controlled environment.
Check the platform details for your computer or server, and confirm Android support if phone or tablet access matters.
Review API access
These tools are compared on whether they provide API access. It can matter when another app or service needs to send text for processing.
Check the product documentation for the API option and deployment setup that fit your workflow.
Questions people ask
Is free NLP software available?
Yes. Apache OpenNLP is free and open source. Free plans are listed for Apache UIMA, DeepPavlov, fastText, Flair, Gensim, HanLP and Hugging Face Transformers.
Do NLP tools offer paid plans?
Yes. Amazon Comprehend is paid with pricing from $0.00. Expert.ai Platform is paid with pricing on request. Google Cloud Natural Language API includes a free plan.
Can I use these tools on Android?
Android is not named in the listed platform options. Check the product page for Android support before choosing a tool for a Xiaomi, Redmi or POCO phone or tablet.
Which text features can I compare?
You can compare text classification, entity extraction, sentiment analysis and language detection, as well as pricing, deployment options and API access.
Can I self-host NLP software?
Self-hosted deployment is one of the platform options covered for this category. Confirm the specific tool's deployment documentation before setup.