Comparison
langchain-visualizer vs lmnr
Verdict
Pick langchain-visualizer if a Python-based tool for visualizing LangChain workflows, offering detailed insights into prompt interactions and execution flow; pick lmnr if lmnr is an open-source observability platform specifically aimed at monitoring AI agents, offering both self-hosting and managed platform options.
Markdown twin · langchain-visualizer alternatives · lmnr alternatives
GraphCanon updated 2d
vs
Trust & integrity
| Signal | langchain-visualizer | lmnr |
|---|---|---|
| Maintenance | Dormant (885d since push) As of 2w · github_public_v1 | Very active (0d since push) As of 2d · github_public_v1 |
| Provenance | Not a fork · Personal account As of 2w · github_public_v1 | Not a fork · Organization account As of 2d · 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-visualizer
- Visualization and debugging tool for LangChain workflows
- lmnr
- Open-source observability platform for AI agents.
Stars
- langchain-visualizer
- 737
- lmnr
- 3.2k
Forks
- langchain-visualizer
- 49
- lmnr
- 223
Open issues
- langchain-visualizer
- 11
- lmnr
- 111
Language
- langchain-visualizer
- Python
- lmnr
- TypeScript
Adopt for
- langchain-visualizer
- A Python-based tool for visualizing LangChain workflows, offering detailed insights into prompt interactions and execution flow.
- lmnr
- lmnr is an open-source observability platform specifically aimed at monitoring AI agents, offering both self-hosting and managed platform options.
Persona
- langchain-visualizer
- -
- lmnr
- -
Runtime
- langchain-visualizer
- -
- lmnr
- -
License
- langchain-visualizer
- MIT
- lmnr
- Apache-2.0
Last pushed
- langchain-visualizer
- Mar 6, 2024
- lmnr
- Aug 20, 2026
Categories
- langchain-visualizer
- Evaluation & Observability
- lmnr
- Developer Tools, Evaluation & Observability
Trust and health
Maintenance
- langchain-visualizer
- Dormant (18%)
- lmnr
- Very active (96%)
Days since push
- langchain-visualizer
- 885d
- lmnr
- 0d
Open issues (now)
- langchain-visualizer
- 11
- lmnr
- 111
Stars delta
- langchain-visualizer
- Unknown
- lmnr
- +80 (30d)
Open issues delta
- langchain-visualizer
- Unknown
- lmnr
- +14 (30d)
Owner type
- langchain-visualizer
- User
- lmnr
- Organization
Full report
- langchain-visualizer
- Trust report
- lmnr
- Trust report
Choose langchain-visualizer if…
- langchain-visualizer is primarily Python; lmnr is TypeScript.
- License: langchain-visualizer is MIT, lmnr is Apache-2.0.
- Tags unique to langchain-visualizer: cost-tracking, debugging, execution-flow, langchain.
- You prioritize UI aesthetics and colored highlighting of prompt parts.
When NOT to use langchain-visualizer
- Prefer the native tracing functionality provided by LangChain itself.
- Do not need detailed LLM call costs or execution flow insights.
Choose lmnr if…
- lmnr is primarily TypeScript; langchain-visualizer is Python.
- License: lmnr is Apache-2.0, langchain-visualizer is MIT.
- Supports self-hosting through Docker Compose, making it accessible to local environments or lightweight usage; however, recommends a managed platform option for production environments.
- Requirements: Proper SDK configuration is critical when self-hosting.; Managed platform may be more suitable if setting up in a production environment..
- Tags unique to lmnr: agent-observability, ai-observability, evaluation, llm-evaluation.
- Also covers Developer Tools.
- lmnr ships Docker support for self-hosted deployment.
- When you need a dedicated solution for evaluating the performance and behavior of AI agents.
When NOT to use lmnr
- When your primary observability needs are not specific to AI agents but cover a broader range of application monitoring services.
- For those preferring platforms with wider language support beyond TypeScript and Rust (the major languages highlighted for this tool).
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (amosjyng/langchain-visualizer) · observed Aug 8, 2026
- GitHub forks (amosjyng/langchain-visualizer) · observed Aug 8, 2026
- Last push (amosjyng/langchain-visualizer) · observed Mar 6, 2024
- License file (MIT) · observed Aug 8, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (lmnr-ai/lmnr) · observed Aug 20, 2026
- GitHub forks (lmnr-ai/lmnr) · observed Aug 20, 2026
- Last push (lmnr-ai/lmnr) · observed Aug 20, 2026
- License file (Apache-2.0) · observed Aug 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: langchain-visualizer 737 · lmnr 3.2k (synced Aug 8, 2026).
Common questions
- What is the difference between langchain-visualizer and lmnr?
- langchain-visualizer: Visualization and debugging tool for LangChain workflows. lmnr: Open-source observability platform for AI agents.. See the comparison table for live GitHub stats and shared categories.
- When should I choose langchain-visualizer over lmnr?
- Choose langchain-visualizer over lmnr when langchain-visualizer is primarily Python; lmnr is TypeScript; License: langchain-visualizer is MIT, lmnr is Apache-2.0; Tags unique to langchain-visualizer: cost-tracking, debugging, execution-flow, langchain; You prioritize UI aesthetics and colored highlighting of prompt parts.
- When should I choose lmnr over langchain-visualizer?
- Choose lmnr over langchain-visualizer when lmnr is primarily TypeScript; langchain-visualizer is Python; License: lmnr is Apache-2.0, langchain-visualizer is MIT; Supports self-hosting through Docker Compose, making it accessible to local environments or lightweight usage; however, recommends a managed platform option for production environments; Requirements: Proper SDK configuration is critical when self-hosting.; Managed platform may be more suitable if setting up in a production environment.; Tags unique to lmnr: agent-observability, ai-observability, evaluation, llm-evaluation; Also covers Developer Tools; lmnr ships Docker support for self-hosted deployment; When you need a dedicated solution for evaluating the performance and behavior of AI agents.
- When should I avoid langchain-visualizer?
- Prefer the native tracing functionality provided by LangChain itself. Do not need detailed LLM call costs or execution flow insights.
- When should I avoid lmnr?
- When your primary observability needs are not specific to AI agents but cover a broader range of application monitoring services. For those preferring platforms with wider language support beyond TypeScript and Rust (the major languages highlighted for this tool).
- Is langchain-visualizer or lmnr more popular on GitHub?
- lmnr has more GitHub stars (3,183 vs 737). Stars measure visibility, not whether either tool fits your constraints.
- Are langchain-visualizer and lmnr open source?
- Yes - both are open-source projects on GitHub (langchain-visualizer: MIT, lmnr: Apache-2.0).
- Where can I find alternatives to langchain-visualizer or lmnr?
- GraphCanon lists graph-backed alternatives at langchain-visualizer alternatives and lmnr alternatives (langchain-visualizer markdown twin, lmnr 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-visualizer or lmnr?
- langchain-visualizer: Dormant. lmnr: 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 langchain-visualizer and lmnr?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langchain-visualizer trust report; lmnr trust report.