jedi
An autocompletion tool for Python that can be used for text editors.
Decision gist · record as of 2026-08-14
Yes. Jedi is a mature, actively maintained library with low install friction, no security issues, and permissive licensing. It is the standard choice for Python IDE/editor integration and is suitable for anyone building code intelligence features or editor plugins. The only constraint is Python 3.10+ support, which is not a blocker for modern projects.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; older Python versions are not supported.
- Low friction installation with a single runtime dependency (parso).
- Actively maintained with recent releases; last commit 2026-07-09 and version 0.20.0 released 2026-05-01.
License · maintenance · safety
MIT (permissive) — MIT license (permissive) means you can use, modify, and distribute Jedi with minimal restrictions in both open-source and proprietary projects.
last release 2026-05-01 (105 days) · last repo commit 2026-07-09 · 6,168 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 138,827,225 downloads/mo, #278 on PyPI
Alternatives
Verify before relying
pip install jedi
import jedi
script = jedi.Script('import os\nos.')
completions = script.complete(2, 3)
for c in completions:
print(c.name)- Whether the package's performance is suitable for real-time editor integration at scale.
- Current status of the Rust successor (Zuban) and its impact on Jedi's future maintenance.
What it is and what it does
Jedi is a static analysis library for Python that powers autocompletion, goto-definition, refactoring, and code search in editors and IDEs. It exposes a straightforward API with methods like `Script.complete()`, `Script.goto()`, `Script.infer()`, and `Script.rename()` that work on Python source code strings or files. The library is designed to understand Python semantics deeply enough to provide accurate completions and references across a codebase, and it integrates natively with IPython and has plugins for Vim, VS Code, Emacs, Sublime Text, and many other editors.
Jedi depends only on parso, a lightweight Python parser, making installation frictionless. It runs on Python 3.10+ and can analyze code written in older Python versions. The project is well-established (first released in 2012), actively maintained, and widely used—it appears in the top 1000 PyPI packages by download volume. It has no known security vulnerabilities and is licensed under MIT, making it suitable for both open-source and commercial use.
Use it for
- Build editor plugins or language server implementations that provide Python code completion and goto-definition.
- Implement static analysis tools that extract and filter Python names, symbols, or syntax errors from source files.
- Add refactoring capabilities (rename, extract function, inline) to custom development tools or scripts.
- Enable REPL tab completion for custom Python shells or interactive environments.
- Perform code search and find-references queries across Python projects programmatically.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
Jedi is a mature, actively maintained library with low install friction, no security issues, and permissive licensing. It is the standard choice for Python IDE/editor integration and is suitable for anyone building code intelligence features or editor plugins. The only constraint is Python 3.10+ support, which is not a blocker for modern projects.
Install
jedi on PyPI
Before you install
Low friction installation with a single runtime dependency (parso). Actively maintained with recent releases; last commit 2026-07-09 and version 0.20.0 released 2026-05-01. Supports Python 3.10+.
Requires Python 3.10 or later; older Python versions are not supported.
License in practice
MIT license (permissive) means you can use, modify, and distribute Jedi with minimal restrictions in both open-source and proprietary projects.
Quickstart
pip install jedi
import jedi
script = jedi.Script('import os\nos.')
completions = script.complete(2, 3)
for c in completions:
print(c.name)Verify before relying
- Whether the package's performance is suitable for real-time editor integration at scale.
- Current status of the Rust successor (Zuban) and its impact on Jedi's future maintenance.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packageparso |
| Maintenance | Actively maintained 105 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 138,827,225 / month, #278 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaEnvironment :: PluginsIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Topic :: Software Development :: Libraries :: Python ModulesTopic :: Text Editors :: Integrated Development Environments (IDE)Topic :: Utilities |
Evidence: jedi-0.20.0-py2.py3-none-any.whl
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See also jedi-language-server · rope · python-language-server · bpython · tabcompleter · parso · robotcode · redbaron · python-lsp-server · aspy.refactor-imports