In the Crest catalog
langchain-ai/langchainjs
The agent engineering platform
- Stars
- 18.2K
- Forks
- 3.4K
- Language
- TypeScript
- Last push
- 22d ago
- Last release
- 23d ago
Linked by the package’s own registry metadata.GitHub (opens in a new tab)
Package · npm
@langchain/classic
npm · v1.0.52 · MIT
Old abstractions from LangChain.js
Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work
Technologies
Install
npm install @langchain/classicAdoption
- Downloads (30 days)
- 2.8M
- Observeddownloads / 30 days
- Popularity
- Top 50% on npm
- Derived53rd percentile within npm
- Dependents
- Collectinghistory
- Collecting
- Maintenance
- 0.98
- DerivedRelease cadence and recency, 0 to 1
- Releases per year
- 73
- 70 versions over its life
Growth by period
Derived by Crest of Tech from two observations of npm’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.
- 7 days
- +1.6% · 7d
- Derived+43.6K downloads / 30 days, SEP 28 → OCT 5
- 30 days
- −8.8% · 30d
- Derived−270.7K downloads / 30 days, SEP 5 → OCT 5
- 90 days
- −0.6% · 90d
- Derived−16.5K downloads / 30 days, JUL 6 → OCT 5
- 1 year
- +2.8M · 1y
- Derived+2.8M downloads / 30 days, OCT 6 → OCT 5
Adoption history
Adoption historydownloads / 30 days · 30 observations
Table of observations (31)
| Day | downloads / 30 days | Dependents |
|---|---|---|
| OCT 6, 2026 | Not observed | Not observed |
| OCT 5, 2026 | 2,797,450 | Not observed |
| OCT 4, 2026 | 2,854,600 | Not observed |
| OCT 3, 2026 | 2,873,783 | Not observed |
| OCT 2, 2026 | 2,820,774 | Not observed |
| OCT 1, 2026 | 2,858,615 | Not observed |
| SEP 30, 2026 | 2,858,279 | Not observed |
| SEP 29, 2026 | 2,844,449 | Not observed |
| SEP 28, 2026 | 2,753,833 | Not observed |
| SEP 27, 2026 | 2,647,144 | Not observed |
| SEP 26, 2026 | 2,674,945 | Not observed |
| SEP 25, 2026 | 2,766,706 | Not observed |
| SEP 24, 2026 | 2,793,679 | Not observed |
| SEP 23, 2026 | 2,802,692 | Not observed |
| SEP 22, 2026 | 2,786,337 | Not observed |
| SEP 21, 2026 | 2,703,969 | Not observed |
| SEP 20, 2026 | 2,651,344 | Not observed |
| SEP 19, 2026 | 2,705,237 | Not observed |
| SEP 18, 2026 | 2,783,430 | Not observed |
| SEP 17, 2026 | 2,826,634 | Not observed |
| SEP 16, 2026 | 2,849,481 | Not observed |
| SEP 15, 2026 | 2,831,151 | Not observed |
| SEP 14, 2026 | 2,911,702 | Not observed |
| SEP 13, 2026 | 2,825,383 | Not observed |
| SEP 12, 2026 | 2,773,558 | Not observed |
| SEP 11, 2026 | 2,869,211 | Not observed |
| SEP 10, 2026 | 2,913,591 | Not observed |
| SEP 9, 2026 | 2,916,398 | Not observed |
| SEP 8, 2026 | 2,918,323 | Not observed |
| SEP 7, 2026 | 2,985,013 | Not observed |
| SEP 6, 2026 | 3,032,839 | Not observed |
Facts from the registry
- Latest version
- v1.0.52
- 70 versions
- First published
- OCT 14, 2025
- Last release
- OCT 1, 2026
- 23d ago
- Licence
- MIT
Repository
Dependencies latest version · v1.0.52
Runtime 8
- @langchain/openai
1.6.2 - @langchain/textsplitters
1.0.2 - handlebars
^4.7.9 - js-yaml
^5.4.1 - jsonpointer
^5.0.1 - openapi-types
^12.1.3 - yaml
^2.9.0 - zod
^3.25.76 || ^4
Peer 4
- @langchain/core
^1.2.14 - cheerio
* - peggy
^5.1.0 - typeorm
*
Optional 1
- langsmith
>=0.4.0 <1.0.0
Related packages
- @langchain/anthropicAnthropic integrations for LangChain.jsPublished from the same repository
- @langchain/awsLangChain AWS integrationPublished from the same repository
- @langchain/coreCore LangChain.js abstractions and schemasPublished from the same repository
- @langchain/deepseekDeepseek integration for LangChain.jsPublished from the same repository
- @langchain/googleGoogle integrations for LangChain.jsPublished from the same repository
- @langchain/google-commonCore types and classes for Google services.Published from the same repository
- autogluon-commonFast and Accurate ML in 3 Lines of CodeSame primary category
- pyglovePyGlove: A library for manipulating Python objects.Same primary category
- ttnnGeneral compute framework for Tenstorrent devicesSame primary category
- pyg-nightlyGraph Neural Network Library for PyTorchSame primary category
- rapid-peRapidPE: The original low-latency gravitational wave parameter estimation code.Same primary category
- keras-nightlyMulti-backend KerasSame primary category
Related news
No published news event mentions this package or its repository yet.