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@langchain/classic

Old abstractions from LangChain.js

v1.0.48, 12 Sept 2026MITESM + CommonJSTypes: Bundled
$ npm install @langchain/classic

Key numbers

As of 25 Sept 2026
Weekly downloads
456.1k
- over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
8
Direct, from package.json
Last release
13 days ago
v1.0.48
GitHub stars
18.2k
3.4k forks
Open issues / PRs
231 / 352
Contributors
-
Commits, last 52 weeks
1,288

No weekly download data in the snapshot.

456,092 downloads last week, 2,571,528 in the last month. No 52-week series has been fetched yet.

Releases, last 12 months
4949 in total
Latest version
1.0.48, 12 Sept 202613 days ago
First published
14 Oct 2025
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
40

Major versions

  1. v1 first release 1.0.0, 17 Oct 2025

Recent releases

VersionPublished
1.0.4812 Sept 2026
1.0.479 Sept 2026
1.0.461 Sept 2026
1.0.4520 Aug 2026
1.0.4420 Aug 2026
1.0.4314 Aug 2026
1.0.4212 Aug 2026
1.0.415 Aug 2026
1.0.409 Jul 2026
1.0.399 Jul 2026
1.0.3823 Jun 2026
1.0.3722 Jun 2026
1.0.3618 Jun 2026
1.0.3517 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)
5.6 MB
Dependencies (8)
zodyamljs-yamlhandlebarsjsonpointeropenapi-types@langchain/openai@langchain/textsplitters
Peer dependencies (4)
peggycheeriotypeorm@langchain/core
npm install @langchain/classic
  • jsDelivrhttps://cdn.jsdelivr.net/npm/@langchain/classic@1.0.48/
  • unpkghttps://unpkg.com/@langchain/classic@1.0.48/
  • esm.shhttps://esm.sh/@langchain/classic@1.0.48
Sources: npm registry, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.