Comparison
langchain vs quelmap
Verdict
Pick langchain when langchain is primarily Python; quelmap is TypeScript; pick quelmap when quelmap is primarily TypeScript; langchain is Python.
Markdown twin · langchain alternatives · quelmap alternatives
GraphCanon updated today
vs
Trust & integrity
| Signal | langchain | quelmap |
|---|---|---|
| Maintenance | Very active (0d since push) As of 1d · github_public_v1 | Slowing (267d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of 1d · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 4d · osv@v1 | No lockfile (source not queried) As of today · 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
- The agent engineering platform.
- quelmap
- Open Source Local Data Analysis Assistant.
Stars
- langchain
- 142k
- quelmap
- 201
Forks
- langchain
- 24k
- quelmap
- 20
Open issues
- langchain
- 419
- quelmap
- 4
Language
- langchain
- Python
- quelmap
- TypeScript
Adopt for
- langchain
- LangChain is an open-source platform designed specifically for building agents and applications that leverage large language models (LLMs). It provides a standard framework to develop interoperable components and connect
- quelmap
- -
Persona
- langchain
- -
- quelmap
- -
Runtime
- langchain
- -
- quelmap
- -
License
- langchain
- MIT License, allowing free use for both personal and commercial purposes under its stipulated terms.
- quelmap
- Apache-2.0
Last pushed
- langchain
- Jul 14, 2026
- quelmap
- Oct 20, 2025
Categories
- langchain
- AI Agents, LLM Frameworks
- quelmap
- AI Agents, LLM Frameworks
Trust and health
Maintenance
- langchain
- Very active (96%)
- quelmap
- Slowing (36%)
Days since push
- langchain
- 0d
- quelmap
- 267d
Open issues (now)
- langchain
- 419
- quelmap
- 4
Full report
- langchain
- Trust report
- quelmap
- Trust report
Choose langchain if…
- langchain is primarily Python; quelmap is TypeScript.
- License: langchain is MIT, quelmap is Apache-2.0.
- Pricing: LangChain itself is open-source and free to use. However, it might rely on paid services or premium models from external platforms like OpenAI..
- Tags unique to langchain: agents, ai-agents, anthropic, chatgpt.
- * When aiming to build complex AI-powered agents or applications requiring high-level capabilities like planning, subagent interaction, and file system operations.
When NOT to use langchain
- * When working on smaller, less complex projects where full-scale integration with sophisticated components is not necessary as LangChain's extensive features might introduce unnecessary complexity.
- * If you are primarily focused on JavaScript or TypeScript development as the primary focus of LangChain is Python. Although there is a JS/TS equivalent (LangChain.js), it may not offer the same depth
- * For projects requiring heavy customization at lower levels, where a more granular control over individual components is required rather than working with an integrated framework.
Choose quelmap if…
- quelmap is primarily TypeScript; langchain is Python.
- License: quelmap is Apache-2.0, langchain is MIT.
- Tags unique to quelmap: data-analysis, data-analysis-agent, data-science, local-ai-agents.
When NOT to use quelmap
- Last GitHub push was 268 days ago (slowing maintenance, Oct 20, 2025). Validate activity before betting a new project on quelmap.
- AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism.
- LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (langchain-ai/langchain) · observed Jul 14, 2026
- GitHub forks (langchain-ai/langchain) · observed Jul 14, 2026
- Last push (langchain-ai/langchain) · observed Jul 14, 2026
- License file (MIT) · observed Jul 14, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (quelmap-inc/quelmap) · observed Jul 15, 2026
- GitHub forks (quelmap-inc/quelmap) · observed Jul 15, 2026
- Last push (quelmap-inc/quelmap) · observed Oct 20, 2025
- License file (Apache-2.0) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: langchain 142k · quelmap 201 (synced Jul 14, 2026).
Common questions
- What is the difference between langchain and quelmap?
- langchain: The agent engineering platform.. quelmap: Open Source Local Data Analysis Assistant.. See the comparison table for live GitHub stats and shared categories.
- When should I choose langchain over quelmap?
- Choose langchain over quelmap when langchain is primarily Python; quelmap is TypeScript; License: langchain is MIT, quelmap is Apache-2.0; Pricing: LangChain itself is open-source and free to use. However, it might rely on paid services or premium models from external platforms like OpenAI.; Tags unique to langchain: agents, ai-agents, anthropic, chatgpt; * When aiming to build complex AI-powered agents or applications requiring high-level capabilities like planning, subagent interaction, and file system operations.
- When should I choose quelmap over langchain?
- Choose quelmap over langchain when quelmap is primarily TypeScript; langchain is Python; License: quelmap is Apache-2.0, langchain is MIT; Tags unique to quelmap: data-analysis, data-analysis-agent, data-science, local-ai-agents.
- When should I avoid langchain?
- * When working on smaller, less complex projects where full-scale integration with sophisticated components is not necessary as LangChain's extensive features might introduce unnecessary complexity. * If you are primarily focused on JavaScript or TypeScript development as the primary focus of LangChain is Python. Although there is a JS/TS equivalent (LangChain.js), it may not offer the same depth * For projects requiring heavy customization at lower levels, where a more granular control over individual components is required rather than working with an integrated framework.
- When should I avoid quelmap?
- Last GitHub push was 268 days ago (slowing maintenance, Oct 20, 2025). Validate activity before betting a new project on quelmap. AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
- Is langchain or quelmap more popular on GitHub?
- langchain has more GitHub stars (141,713 vs 201). Stars measure visibility, not whether either tool fits your constraints.
- Are langchain and quelmap open source?
- Yes - both are open-source projects on GitHub (langchain: MIT, quelmap: Apache-2.0).
- Where can I find alternatives to langchain or quelmap?
- GraphCanon lists graph-backed alternatives at langchain alternatives and quelmap alternatives (langchain markdown twin, quelmap 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 quelmap?
- langchain: Very active. quelmap: Slowing. 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 quelmap?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langchain trust report; quelmap trust report.