Installation and quick start¶

Installation¶

pip install --upgrade language_tool_python

Requirements

Python >=3.10 (tested up to 3.15).
Java >=9 for LanguageTool 4.0 to 6.5, >=17 for LanguageTool >=6.6 (default).

Note

LanguageTool is downloaded automatically on first use. The default downloaded version is LTP_DOWNLOAD_VERSION. To use a different version, see Pinning the LanguageTool version.

Quick start¶

import language_tool_python

with language_tool_python.LanguageTool("en-US") as tool:
    text = "A sentence with a error in the Hitchhiker's Guide tot he Galaxy"
    matches = tool.check(text)

print(matches[0].message)
# → Use “an” instead of ‘a’ if the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’.
print(matches[0].replacements)
# → ['an']

with language_tool_python.LanguageTool("en-US") as tool:
    corrected = tool.correct(text)

print(corrected)
# → A sentence with an error in the Hitchhiker's Guide to the Galaxy