Comparison
langchain vs lagent
Verdict
Pick langchain if langChain framework tailored for Elixir projects; pick lagent if lagent is a Python framework aimed at streamlining the creation of lightweight Large Language Model (LLM) agents.
Markdown twin · langchain alternatives · lagent alternatives
GraphCanon updated 1w
Trust & integrity
| Signal | langchain | lagent |
|---|---|---|
| Maintenance | Very active (1d since push) As of 2w · github_public_v1 | Active (12d since push) As of 1w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 2w · github_public_v1 | Not a fork · Organization account As of 1w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · 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
- langchain
- Elixir implementation of a LangChain style framework for integrating with and leveraging LLMs.
- lagent
- A lightweight framework for building LLM-based agents
Stars
- langchain
- 1.2k
- lagent
- 2.3k
Forks
- langchain
- 212
- lagent
- 238
Open issues
- langchain
- 30
- lagent
- 24
Language
- langchain
- Elixir
- lagent
- Python
Adopt for
- langchain
- LangChain framework tailored for Elixir projects
- lagent
- lagent is a Python framework aimed at streamlining the creation of lightweight Large Language Model (LLM) agents.
Persona
- langchain
- -
- lagent
- -
Runtime
- langchain
- -
- lagent
- -
License
- langchain
- Other
- lagent
- lagent is open-source under the Apache-2.0 license, allowing for broad use and modification with attribution.
Last pushed
- langchain
- Aug 6, 2026
- lagent
- Aug 3, 2026
Categories
- langchain
- LLM Frameworks
- lagent
- AI Agents, LLM Frameworks
Trust and health
Maintenance
- langchain
- Very active (96%)
- lagent
- Active (82%)
Days since push
- langchain
- 1d
- lagent
- 12d
Open issues (now)
- langchain
- 30
- lagent
- 24
Stars delta
- langchain
- Unknown
- lagent
- +8 (30d)
Open issues delta
- langchain
- Unknown
- lagent
- +1 (30d)
Owner type
- langchain
- User
- lagent
- Organization
Full report
- langchain
- Trust report
- lagent
- Trust report
Choose langchain if…
- langchain is primarily Elixir; lagent is Python.
- License: langchain is Other, lagent is Apache-2.0.
- Requirements: Requires at least Elixir 1.17; Add `langchain` to dep list in `mix.exs` for installation.
- Tags unique to langchain: ai, anthropic, bumblebee, chatgpt.
- You are working on an Elixir project and want to integrate advanced Language Model capabilities.
When NOT to use langchain
- Your project is not written in Elixir, as this framework does not offer official support for other programming languages.
- If your requirements mandate a non-Elixir environment or dependency ecosystem, such as Python which has more mature LLM frameworks.
Choose lagent if…
- lagent is primarily Python; langchain is Elixir.
- License: lagent is Apache-2.0, langchain is Other.
- Pricing: Available freely due to its open-source nature, but customization or enterprise support might involve additional costs..
- Tags unique to lagent: agent, gpt, transformers.
- Also covers AI Agents.
- When you need a streamlined approach to develop LLM-based agents with minimal overhead, lagent can be particularly advantageous due to its lightweight design.
When NOT to use lagent
- Avoid using lagent if your project necessitates integration with a broader set of tools that are not natively supported by this framework, as it offers limited out-of-the-box extensibility.
- Steer clear if you need robust scalability features right from the start. While lightweight, lagent may require additional custom work to handle more demanding scaling requirements.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (brainlid/langchain) · observed Aug 8, 2026
- GitHub forks (brainlid/langchain) · observed Aug 8, 2026
- Last push (brainlid/langchain) · observed Aug 6, 2026
- License file (Other) · observed Aug 8, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (InternLM/lagent) · observed Aug 16, 2026
- GitHub forks (InternLM/lagent) · observed Aug 16, 2026
- Last push (InternLM/lagent) · observed Aug 3, 2026
- License file (Apache-2.0) · observed Aug 16, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: langchain 1.2k · lagent 2.3k (synced Aug 8, 2026).
Common questions
- What is the difference between langchain and lagent?
- langchain: Elixir implementation of a LangChain style framework for integrating with and leveraging LLMs.. lagent: A lightweight framework for building LLM-based agents. See the comparison table for live GitHub stats and shared categories.
- When should I choose langchain over lagent?
- Choose langchain over lagent when langchain is primarily Elixir; lagent is Python; License: langchain is Other, lagent is Apache-2.0; Requirements: Requires at least Elixir 1.17; Add
langchainto dep list inmix.exsfor installation; Tags unique to langchain: ai, anthropic, bumblebee, chatgpt; You are working on an Elixir project and want to integrate advanced Language Model capabilities. - When should I choose lagent over langchain?
- Choose lagent over langchain when lagent is primarily Python; langchain is Elixir; License: lagent is Apache-2.0, langchain is Other; Pricing: Available freely due to its open-source nature, but customization or enterprise support might involve additional costs.; Tags unique to lagent: agent, gpt, transformers; Also covers AI Agents; When you need a streamlined approach to develop LLM-based agents with minimal overhead, lagent can be particularly advantageous due to its lightweight design.
- When should I avoid langchain?
- Your project is not written in Elixir, as this framework does not offer official support for other programming languages. If your requirements mandate a non-Elixir environment or dependency ecosystem, such as Python which has more mature LLM frameworks.
- When should I avoid lagent?
- Avoid using lagent if your project necessitates integration with a broader set of tools that are not natively supported by this framework, as it offers limited out-of-the-box extensibility. Steer clear if you need robust scalability features right from the start. While lightweight, lagent may require additional custom work to handle more demanding scaling requirements.
- Is langchain or lagent more popular on GitHub?
- lagent has more GitHub stars (2,276 vs 1,192). Stars measure visibility, not whether either tool fits your constraints.
- Are langchain and lagent open source?
- Yes - both are open-source projects on GitHub (langchain: Other, lagent: Apache-2.0).
- Where can I find alternatives to langchain or lagent?
- GraphCanon lists graph-backed alternatives at langchain alternatives and lagent alternatives (langchain markdown twin, lagent 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, langchain or lagent?
- langchain: Very active. lagent: 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 langchain and lagent?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langchain trust report; lagent trust report.