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langchain_core

Published by 🇪🇸langchaindart.dev · v0.5.0 · released 1 month ago · MIT License

First published 2 years ago.

Contains core abstractions of LangChain.dart and the LangChain Expression Language (LCEL).

View on pub.dev View source
Part of davidmigloz/langchain_dart (11 packages) #115 in Ai Ml #4818 overall androidioswindowslinuxmacosweb
Downloads / day
86
as of 2026-10-19
GitHub stars
687
★ refreshed weekly
Likes
10
on pub.dev
Pub points
160 / 160
perfect score
2026-09-19 2026-10-19

Repository health

Shared with 10 sibling packages in this repo.

Last commit
1 month ago
Commit activity
Open issues
9
Open PRs
8
Contributors
35 (top contributor 94%)
CI
GitHub Actions
License (repo)
Sibling packages: langchain, langchain_openai, langchain_ollama, langchain_anthropic, langchain_google, langchain_mistralai, langchain_community, langchain_firebase, langchain_chroma, langchain_supabase

Last refreshed 25 days ago.

License explained · MIT

MIT License

Use freely, even commercially. Just keep the copyright notice.

A short and simple permissive license with conditions only requiring preservation of copyright and license notices. Licensed works, modifications, and larger works may be distributed under different terms and without source code.

You can

  • Commercial use
  • Distribution
  • Modification
  • Private use

You must

  • Include the license and copyright notice

The license does not

  • No liability
  • No warranty

Plain-English summary, not legal advice. Full text on SPDX or choosealicense.com. Summaries adapted from choosealicense.com (a GitHub project, MIT-licensed).

Commit activity, past 52 weeks

langchain_core

149 commits in the past year
Slowing -89% vs 9 months ago
90 45 0 52w ago36w ago18w agothis week
Weekly average
3 commits
Busiest week
86 commits, 39 weeks ago
Active weeks
19 of 52 (37%)
Longest quiet stretch
5 weeks with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How langchain_core compares in Ai Ml

Top of the Ai Ml leaderboard, with langchain_core highlighted.

Rank Package Downloads / day Stars Likes
#1
google_mlkit_commons
flutter-ml.dev
19.1K ★ 1.3K 38
#2
google_mlkit_text_recognition
flutter-ml.dev
11.1K ★ 1.3K 413
#3
mcp_dart
🇨🇦 leehack.com
7.2K ★ 114 77
#4
marionette_flutter
🇨🇴 leancode.co
6.8K ★ 464 69
#115
langchain_core
langchaindart.dev
86 ★ 687 10