Key numbers
As of 25 Sept 2026
- Weekly downloads
- 2m
- +114% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 4
- Direct, from package.json
- Last release
- 3 days ago
- v1.5.12
- GitHub stars
- 18.2k
- 3.4k forks
- Open issues / PRs
- 231 / 352
- Contributors
- -
- Commits, last 52 weeks
- 1,288
Downloads
Last week 2026-09-15 to 2026-09-21
2,026,447 downloads last week, 10,553,700 in the last month. The 12-month change of +114% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 81386 in total
- Latest version
- 1.5.12, 22 Sept 20263 days ago
- First published
- 14 Feb 2023
- Last push to GitHub
- 25 Sept 2026same day as the snapshot
- Repository archived
- No
- Open issues
- 231
- Open pull requests
- 352
- Commits, last 52 weeks
- 1,288
- Dependents on npm
- 1,303
Major versions
- v1 first release 1.0.1, 18 Oct 2025
- v0 first release 0.0.4, 14 Feb 2023
Recent releases
| Version | Published |
|---|---|
| 1.5.12 | 22 Sept 2026 |
| 1.5.11 | 9 Sept 2026 |
| 1.5.10 | 20 Aug 2026 |
| 1.5.9 | 14 Aug 2026 |
| 1.5.8 | 13 Aug 2026 |
| 1.5.7 | 13 Aug 2026 |
| 1.5.6 | 12 Aug 2026 |
| 1.5.5 | 5 Aug 2026 |
| 1.5.4 | 24 Jul 2026 |
| 1.5.3 | 8 Jul 2026 |
| 1.5.2 | 23 Jun 2026 |
| 1.5.1 | 22 Jun 2026 |
| 1.5.0 | 18 Jun 2026 |
| 1.4.6 | 17 Jun 2026 |
- Module format
- ESM + CommonJSFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- >=20
- Runtimes
- -
- Unpacked size (npm)
- 3.1 MB
- Dependencies (4)
zodlangsmith@langchain/langgraph@langchain/langgraph-checkpoint- Peer dependencies (1)
@langchain/core
npm install langchainCDN
jsDelivr: 474.6k requests in 30 days
- jsDelivr
https://cdn.jsdelivr.net/npm/langchain@1.5.12/ - unpkg
https://unpkg.com/langchain@1.5.12/ - esm.sh
https://esm.sh/langchain@1.5.12
Indexability: Not indexed (discovery only): no category.