Updated 14 min ago · first seen 11 Sept 2026
framework_01M294J2BF0BC4CN30RNNA1V1Z
- Version
- langchain-core==1.6.3
- T2 · 2 h ago
- Released
- 11 Sept 2026
- T2 · 2 h ago
- License
- MIT
- T2 · 2 h ago
- Stars
- 146,137
- T2 · 14 min ago
Specification
- License
- MIT
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Repository
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Created at
- 17 Oct 2022
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Default branch
- master
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Documentation
Source:PyPI public package metadataT2observed 18 min agomedium
- Homepage
- https://docs.langchain.com/langchain/
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Kind
- framework
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Latest release
- 11 Sept 2026
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Latest release tag
- langchain-core==1.6.3
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Latest version
- langchain-core==1.6.3
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- License name
- MIT License
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Forks
- 24,416
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 14 min agomedium
- Releases
- 1,355
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 14 min agomedium
- Stars
- 146,137
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 14 min agomedium
- Tags
- 1,360
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 14 min agomedium
- Watchers
- 919
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 14 min agomedium
- PyPI
- langchain
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Pypi license
- MIT
Source:PyPI public package metadataT2observed 18 min agomedium
- Pypi release at
- 3 Sept 2026
Source:PyPI public package metadataT2observed 18 min agomedium
- Pypi url
- https://pypi.org/project/langchain/
Source:PyPI public package metadataT2observed 18 min agomedium
- Pypi version
- 1.4.0
Source:PyPI public package metadataT2observed 18 min agomedium
- Python classifiers
- Programming Language :: Python :: 3.10, Programming Language :: Python :: 3.11, Programming Language :: Python :: 3.12, Programming Language :: Python :: 3.13, Programming Language :: Python :: 3.14
Source:PyPI public package metadataT2observed 18 min agomedium
- Readme url
- https://raw.githubusercontent.com/langchain-ai/langchain/HEAD/README.md
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Releases url
- https://github.com/langchain-ai/langchain/releases
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
- Requires python
- <4.0.0,>=3.10.0
Source:PyPI public package metadataT2observed 18 min agomedium
- Topics
- agents, ai, ai-agents, anthropic, chatgpt, deepagents, enterprise, framework, gemini, generative-ai, langchain, langgraph, llm, multiagent, open-source, openai, pydantic, python, rag, typescript
Source:GitHub public repositories (HTML, releases.atom, raw files)T2observed 2 h agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
27
Source tiers
T227
Freshest observation
14 min ago
Conflicts
None
- Developed by
- LangChain
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Licenselicense1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| MIT | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Repositoryrepository_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://github.com/langchain-ai/langchain | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Created atcreated_at1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 17 Oct 2022 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Default branchdefault_branch1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| master | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Descriptiondescription1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| The agent engineering platform. | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Documentationdocs_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://reference.langchain.com/python/langchain/langchain/ | → current | current | PyPI public package metadataT2 | medium | deterministic |
Homepagehomepage1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://docs.langchain.com/langchain/ | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Kindkind1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| framework | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Latest releaselatest_release_at1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 11 Sept 2026 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Latest release taglatest_release_tag1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| langchain-core==1.6.3 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Latest versionlatest_version1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| langchain-core==1.6.3 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
License namelicense_name1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| MIT License | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Forksmetric.forks2
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 24,416 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
| 24,415 | → | superseded | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Releasesmetric.releases3
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 1,355 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
| 517 | → | superseded | PyPI public package metadataT2 | medium | deterministic |
| 1,355 | → | superseded | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Starsmetric.stars3
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 146,137 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
| 146,135 | → | superseded | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
| 146,134 | → | superseded | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Watchersmetric.watchers1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 919 | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
PyPIpypi1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| langchain | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Pypi licensepypi_license1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| MIT | → current | current | PyPI public package metadataT2 | medium | deterministic |
Pypi release atpypi_release_at1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 3 Sept 2026 | → current | current | PyPI public package metadataT2 | medium | deterministic |
Pypi urlpypi_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://pypi.org/project/langchain/ | → current | current | PyPI public package metadataT2 | medium | deterministic |
Pypi versionpypi_version1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 1.4.0 | → current | current | PyPI public package metadataT2 | medium | deterministic |
Python classifierspython_classifiers1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Programming Language :: Python :: 3.10, Programming Language :: Python :: 3.11, Programming Language :: Python :: 3.12, Programming Language :: Python :: 3.13, Programming Language :: Python :: 3.14 | → current | current | PyPI public package metadataT2 | medium | deterministic |
Readme urlreadme_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://raw.githubusercontent.com/langchain-ai/langchain/HEAD/README.md | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Releases urlreleases_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://github.com/langchain-ai/langchain/releases | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Requires pythonrequires_python1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| <4.0.0,>=3.10.0 | → current | current | PyPI public package metadataT2 | medium | deterministic |
Topicstopics1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| agents, ai, ai-agents, anthropic, chatgpt, deepagents, enterprise, framework, gemini, generative-ai, langchain, langgraph, llm, multiagent, open-source, openai, pydantic, python, rag, typescript | → current | current | GitHub public repositories (HTML, releases.atom, raw files)T2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| GitHub public repositories (HTML, releases.atom, raw files) | github.com/langchain-ai/langchain/releases.atom | feed | T2· Quality secondary | 14 min ago | 1 |
| GitHub public repositories (HTML, releases.atom, raw files) | raw.githubusercontent.com/langchain-ai/langchain/HEAD/README.md | readme | T2· Quality secondary | 14 min ago | 1 |
| GitHub public repositories (HTML, releases.atom, raw files) | github.com/langchain-ai/langchain | repository | T2· Quality secondary | 14 min ago | 3 |
| PyPI public package metadata | pypi.org/pypi/langchain/json | package | T2· Quality secondary | 18 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.