Home/Compare/12-factor-agents vs langchain

Comparison

12-factor-agents vs langchain

Verdict

Pick 12-factor-agents if a TypeScript-based framework focused on applying 12-factor principles to build production-ready software with large language models; pick langchain if langChain is a Python framework for building agents and LLM-powered applications, offering interoperable components and third-party integrations to simplify AI application development.

Markdown twin · 12-factor-agents alternatives · langchain alternatives

GraphCanon updated Sep 30, 2026

29views this month

12-factor-agents logo

12-factor-agents

humanlayer/12-factor-agents

★ 25kpushed Sep 21, 2025
vs
langchain logo

langchain

langchain-ai/langchain

★ 147kpushed Sep 18, 2026

Trust & integrity

Signal12-factor-agentslangchain
Maintenance
Slowing (330d since push)
As of Aug 18, 2026 · github_public_v1
Very active (0d since push)
As of Sep 18, 2026 · github_public_v1
Provenance
Not a fork · Organization account
As of Aug 18, 2026 · github_public_v1
Not a fork · Organization account
As of Sep 18, 2026 · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of Jul 11, 2026 · osv@v1
No lockfile (source not queried)
As of Sep 18, 2026 · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

12-factor-agents
Principles for building production-ready LLM-powered software
langchain
The agent engineering platform.

Stars

12-factor-agents
25k
langchain
147k

Forks

12-factor-agents
1.9k
langchain
25k

Open issues

12-factor-agents
26
langchain
541

Language

12-factor-agents
TypeScript
langchain
Python

Adopt for

12-factor-agents
A TypeScript-based framework focused on applying 12-factor principles to build production-ready software with large language models.
langchain
LangChain is a Python framework for building agents and LLM-powered applications, offering interoperable components and third-party integrations to simplify AI application development.

Persona

12-factor-agents
-
langchain
-

Runtime

12-factor-agents
-
langchain
-

License

12-factor-agents
The content and images are licensed under CC BY-SA 4.0, while the code is covered by the Apache 2.0 License.
langchain
MIT

Last pushed

12-factor-agents
Sep 21, 2025
langchain
Sep 18, 2026

Categories

12-factor-agents
AI Agents, LLM Frameworks
langchain
AI Agents, LLM Frameworks

Trust and health

Maintenance

12-factor-agents
Slowing (36%)
langchain
Very active (96%)

Days since push

12-factor-agents
330d
langchain
0d

Open issues (now)

12-factor-agents
26
langchain
541

Stars delta

12-factor-agents
+966 (30d)
langchain
+3.0k (30d)

Open issues delta

12-factor-agents
0 (30d)
langchain
+78 (30d)

Full report

12-factor-agents
Trust report
langchain
Trust report

Typed relationship

12-factor-agents related langchain

Choose 12-factor-agents if…

  • 12-factor-agents is primarily TypeScript; langchain is Python.
  • License: 12-factor-agents is Other, langchain is MIT.
  • Pricing: Free to use with open-source licenses.
  • Requirements: Min 4 GB RAM; Requires Docker; Requires a solid understanding of TypeScript and familiarity with concepts like prompt engineering and context window management..
  • Graph edge: 12-factor-agents is a typed related of langchain - see the relationship row above.
  • Tags unique to 12-factor-agents: 12-factor, ai, context-window, llms.
  • You are specifically developing AI agents or LLM-powered applications in TypeScript and need a structured guideline grounded in the 12-factor app principles.

When NOT to use 12-factor-agents

  • If your project requires languages other than TypeScript or if your application already has a strong foundation not necessarily aligning with the 12-factor app principles.
  • When you’re looking for comprehensive deployment automation tools rather than guidance on building LLM-powered agents and ensuring their reliability in production environments.

Choose langchain if…

  • langchain is primarily Python; 12-factor-agents is TypeScript.
  • License: langchain is MIT, 12-factor-agents is Other.
  • Graph edge: langchain is a typed related of 12-factor-agents - see the relationship row above.
  • Tags unique to langchain: ai-agents, langchain, multiagent, open-source.
  • When you need a framework that simplifies chaining together interoperable components and third-party integrations for AI application development.

When NOT to use langchain

  • If you prefer a framework that does not offer built-in capabilities for common usage patterns such as planning and subagents, as LangChain's Deep Agents provide these features.
  • When you need a higher-level abstraction that does not require detailed agent orchestration, as LangChain's LangGraph is designed for low-level control over agent workflows.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: 12-factor-agents 25k · langchain 147k (synced Sep 20, 2026).

Common questions

What is the difference between 12-factor-agents and langchain?
12-factor-agents: Principles for building production-ready LLM-powered software. langchain: The agent engineering platform.. See the comparison table for live GitHub stats and shared categories.
When should I choose 12-factor-agents over langchain?
Choose 12-factor-agents over langchain when 12-factor-agents is primarily TypeScript; langchain is Python; License: 12-factor-agents is Other, langchain is MIT; Pricing: Free to use with open-source licenses; Requirements: Min 4 GB RAM; Requires Docker; Requires a solid understanding of TypeScript and familiarity with concepts like prompt engineering and context window management.; Graph edge: 12-factor-agents is a typed related of langchain - see the relationship row above; Tags unique to 12-factor-agents: 12-factor, ai, context-window, llms; You are specifically developing AI agents or LLM-powered applications in TypeScript and need a structured guideline grounded in the 12-factor app principles.
When should I choose langchain over 12-factor-agents?
Choose langchain over 12-factor-agents when langchain is primarily Python; 12-factor-agents is TypeScript; License: langchain is MIT, 12-factor-agents is Other; Graph edge: langchain is a typed related of 12-factor-agents - see the relationship row above; Tags unique to langchain: ai-agents, langchain, multiagent, open-source; When you need a framework that simplifies chaining together interoperable components and third-party integrations for AI application development.
When should I avoid 12-factor-agents?
If your project requires languages other than TypeScript or if your application already has a strong foundation not necessarily aligning with the 12-factor app principles. When you’re looking for comprehensive deployment automation tools rather than guidance on building LLM-powered agents and ensuring their reliability in production environments.
When should I avoid langchain?
If you prefer a framework that does not offer built-in capabilities for common usage patterns such as planning and subagents, as LangChain's Deep Agents provide these features. When you need a higher-level abstraction that does not require detailed agent orchestration, as LangChain's LangGraph is designed for low-level control over agent workflows.
Is 12-factor-agents or langchain more popular on GitHub?
langchain has more GitHub stars (146,576 vs 25,353). Stars measure visibility, not whether either tool fits your constraints.
Are 12-factor-agents and langchain open source?
Yes - both are open-source projects on GitHub (12-factor-agents: Other, langchain: MIT).
Where can I find alternatives to 12-factor-agents or langchain?
GraphCanon lists graph-backed alternatives at 12-factor-agents alternatives and langchain alternatives (12-factor-agents markdown twin, langchain markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, 12-factor-agents or langchain?
12-factor-agents: Slowing. langchain: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for 12-factor-agents and langchain?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: 12-factor-agents trust report; langchain trust report.

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