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 · 114 observations
Table of observations (115)
| 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 |
| SEP 5, 2026 | 3,068,185 | Not observed |
| SEP 4, 2026 | 3,153,075 | Not observed |
| SEP 3, 2026 | 3,173,651 | Not observed |
| SEP 2, 2026 | 3,286,411 | Not observed |
| SEP 1, 2026 | 3,240,189 | Not observed |
| AUG 31, 2026 | 3,151,510 | Not observed |
| AUG 30, 2026 | 3,055,185 | Not observed |
| AUG 29, 2026 | 3,064,254 | Not observed |
| AUG 28, 2026 | 3,131,940 | Not observed |
| AUG 27, 2026 | 3,139,249 | Not observed |
| AUG 26, 2026 | 3,118,307 | Not observed |
| AUG 25, 2026 | 3,099,567 | Not observed |
| AUG 24, 2026 | 3,016,180 | Not observed |
| AUG 23, 2026 | 2,918,169 | Not observed |
| AUG 22, 2026 | 2,933,714 | Not observed |
| AUG 21, 2026 | 2,985,105 | Not observed |
| AUG 20, 2026 | 2,997,823 | Not observed |
| AUG 19, 2026 | 2,980,624 | Not observed |
| AUG 18, 2026 | 2,946,442 | Not observed |
| AUG 17, 2026 | 2,857,448 | Not observed |
| AUG 16, 2026 | 2,774,838 | Not observed |
| AUG 15, 2026 | 2,776,911 | Not observed |
| AUG 14, 2026 | 2,834,794 | Not observed |
| AUG 13, 2026 | 2,942,724 | Not observed |
| AUG 12, 2026 | 2,915,401 | Not observed |
| AUG 11, 2026 | 2,874,823 | Not observed |
| AUG 10, 2026 | 2,742,755 | Not observed |
| AUG 9, 2026 | 2,641,608 | Not observed |
| AUG 8, 2026 | 2,658,279 | Not observed |
| AUG 7, 2026 | 2,717,906 | Not observed |
| AUG 6, 2026 | 2,728,787 | Not observed |
| AUG 5, 2026 | 2,702,506 | Not observed |
| AUG 4, 2026 | 2,692,206 | Not observed |
| AUG 3, 2026 | 2,634,252 | Not observed |
| AUG 2, 2026 | 2,568,316 | Not observed |
| AUG 1, 2026 | 2,578,965 | Not observed |
| JUL 31, 2026 | 2,653,146 | Not observed |
| JUL 30, 2026 | 2,674,694 | Not observed |
| JUL 29, 2026 | 2,667,199 | Not observed |
| JUL 28, 2026 | 2,672,051 | Not observed |
| JUL 27, 2026 | 2,606,287 | Not observed |
| JUL 26, 2026 | 2,529,307 | Not observed |
| JUL 20, 2026 | 2,619,141 | Not observed |
| JUL 13, 2026 | 2,660,860 | Not observed |
| JUL 6, 2026 | 2,813,949 | Not observed |
| JUN 29, 2026 | 2,729,901 | Not observed |
| JUN 22, 2026 | 2,662,136 | Not observed |
| JUN 15, 2026 | 2,600,146 | Not observed |
| JUN 8, 2026 | 2,579,549 | Not observed |
| JUN 1, 2026 | 2,736,920 | Not observed |
| MAY 25, 2026 | 2,785,063 | Not observed |
| MAY 18, 2026 | 2,823,033 | Not observed |
| MAY 11, 2026 | 2,781,945 | Not observed |
| MAY 4, 2026 | 2,638,696 | Not observed |
| APR 27, 2026 | 2,516,277 | Not observed |
| APR 20, 2026 | 2,474,403 | Not observed |
| APR 13, 2026 | 2,361,600 | Not observed |
| APR 6, 2026 | 2,289,236 | Not observed |
| MAR 30, 2026 | 2,284,413 | Not observed |
| MAR 23, 2026 | 2,129,545 | Not observed |
| MAR 16, 2026 | 1,925,523 | Not observed |
| MAR 9, 2026 | 1,754,365 | Not observed |
| MAR 2, 2026 | 1,567,038 | Not observed |
| FEB 23, 2026 | 1,375,471 | Not observed |
| FEB 16, 2026 | 1,356,582 | Not observed |
| FEB 9, 2026 | 1,275,021 | Not observed |
| FEB 2, 2026 | 1,139,746 | Not observed |
| JAN 26, 2026 | 963,294 | Not observed |
| JAN 19, 2026 | 745,625 | Not observed |
| JAN 12, 2026 | 688,604 | Not observed |
| JAN 5, 2026 | 637,642 | Not observed |
| DEC 29, 2025 | 613,627 | Not observed |
| DEC 22, 2025 | 555,592 | Not observed |
| DEC 15, 2025 | 431,498 | Not observed |
| DEC 8, 2025 | 311,506 | Not observed |
| DEC 1, 2025 | 232,857 | Not observed |
| NOV 24, 2025 | 186,863 | Not observed |
| NOV 17, 2025 | 135,763 | Not observed |
| NOV 10, 2025 | 82,604 | Not observed |
| NOV 3, 2025 | 42,992 | Not observed |
| OCT 27, 2025 | 17,828 | Not observed |
| OCT 20, 2025 | 2,396 | Not observed |
| OCT 13, 2025 | 0 | Not observed |
| OCT 6, 2025 | 0 | 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.