langchain
PyPIactive
langchain last released 1.4.6 on 2026-10-14. Its latest version requires Python <4.0.0,>=3.10.0.
Facts
- Latest release
- 1.4.6, (10 days ago)
- First published
- (3 years ago)
- Releases in the last 12 months
- 66
- Median days between releases
- 4
- Median days between major versions
- 1,038
- Monthly downloads
- 170,709,405
- License
- MIT
- Repository
- github.com/langchain-ai/langchain
- Homepage
- docs.langchain.com
- Source
- pypi.org (checked 2026-10-19)
Major versions
2 major versions have been published.
| Major | First version | First released | Latest version | Latest released |
|---|---|---|---|---|
| 1 | 1.0.0a1 | 2025-08-27 | 1.4.6 | 2026-10-14 |
| 0 | 0.0.1 | 2022-10-25 | 0.3.30 | 2026-05-07 |
Runtime requirements
The latest version of langchain declares these runtime constraints.
| Runtime | Constraint | Minimum version | Since version | Since |
|---|---|---|---|---|
| Python | <4.0.0,>=3.10.0 | 3.10.0 | 1.0.0 | 2025-10-17 |
Supported runtimes
The latest version of langchain runs on 6 tracked runtime releases.
Keelbench tracks end-of-life dates for 469 products, updated daily. Check your repositories against these dates with Deps.