Comparison
langcorn vs vllm
Verdict
Pick langcorn if langCorn is a tool that serves LangChain LLM apps and agents with FastApi; pick vllm if vLLM is a specialized inference engine for large language models that prioritizes high throughput and memory efficiency, suitable for deployment across different hardware backends.
Markdown twin · langcorn alternatives · vllm alternatives
GraphCanon updated 1d
Trust & integrity
| Signal | langcorn | vllm |
|---|---|---|
| Maintenance | Dormant (766d since push) As of 1d · github_public_v1 | Very active (0d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 1d · github_public_v1 | Not a fork · Organization account As of 3w · github_public_v1 |
| OSV dependency advisories | Published findings 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
- langcorn
- Serving LangChain LLM apps and agents automagically with FastApi
- vllm
- A high-throughput and memory-efficient inference and serving engine for LLMs
Stars
- langcorn
- 938
- vllm
- 88k
Forks
- langcorn
- 69
- vllm
- 20k
Open issues
- langcorn
- 21
- vllm
- 6.2k
Language
- langcorn
- Python
- vllm
- Python
Adopt for
- langcorn
- LangCorn is a tool that serves LangChain LLM apps and agents with FastApi.
- vllm
- vLLM is a specialized inference engine for large language models that prioritizes high throughput and memory efficiency, suitable for deployment across different hardware backends.
Persona
- langcorn
- -
- vllm
- -
Runtime
- langcorn
- -
- vllm
- -
License
- langcorn
- MIT
- vllm
- Apache-2.0
Last pushed
- langcorn
- Jul 15, 2024
- vllm
- Aug 1, 2026
Categories
- langcorn
- Inference & Serving
- vllm
- Inference & Serving
Trust and health
Maintenance
- langcorn
- Dormant (18%)
- vllm
- Very active (96%)
Days since push
- langcorn
- 766d
- vllm
- 0d
Open issues (now)
- langcorn
- 21
- vllm
- 6.2k
Stars delta
- langcorn
- 0 (30d)
- vllm
- Unknown
Open issues delta
- langcorn
- 0 (30d)
- vllm
- Unknown
Owner type
- langcorn
- User
- vllm
- Organization
OSV dependency advisories
- langcorn
- Published findings
- vllm
- No lockfile (source not queried)
Full report
- langcorn
- Trust report
- vllm
- Trust report
Typed relationship
Shared compatibility
- Python · langcorn: Python runtime · vllm: Python runtime
Choose langcorn if…
- License: langcorn is MIT, vllm is Apache-2.0.
- Both Langcorn and vllm provide solutions for serving large language models, aiming to make LLM deployment efficient and accessible.
- Tags unique to langcorn: api, fastapi, langchain, large language models.
- When you are deploying applications built with Large Language Models (LLMs) like OpenAI.
When NOT to use langcorn
- When you require a framework other than FastAPI for your deployment needs.
- If you are looking for broader support beyond LangChain-compatible projects.
- In cases where minimal integration with the current infrastructure is not acceptable, as LangCorn requires specific adaptation steps.
Choose vllm if…
- License: vllm is Apache-2.0, langcorn is MIT.
- Pricing: vLLM operates under the Apache-2.0 license, so it's entirely free to use without direct monetary costs, but users might incur costs related to hardware and cloud services required for deployment..
- Requirements: Installation can be done via `uv pip install vllm` or by building from source, allowing flexibility in how the tool is set up..
- Both Langcorn and vllm provide solutions for serving large language models, aiming to make LLM deployment efficient and accessible.
- Tags unique to vllm: amd, cuda, deepseek, gpt.
- When you need to deploy large language models with requirements for both high throughput and low resource consumption.
When NOT to use vllm
- Avoid using vLLM if your application strictly limits itself to a single type of hardware without needing cross-platform compatibility, as it may introduce unnecessary complexity.
- If memory efficiency is not a concern and you are optimizing for simplicity over resource management, alternatives with less configuration might be preferable.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (msoedov/langcorn) · observed Aug 21, 2026
- GitHub forks (msoedov/langcorn) · observed Aug 21, 2026
- Last push (msoedov/langcorn) · observed Jul 15, 2024
- License file (MIT) · observed Aug 21, 2026
- Decision facts (enrichment) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (vllm-project/vllm) · observed Aug 1, 2026
- GitHub forks (vllm-project/vllm) · observed Aug 1, 2026
- Last push (vllm-project/vllm) · observed Aug 1, 2026
- License file (Apache-2.0) · observed Aug 1, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: langcorn 938 · vllm 88k (synced Aug 21, 2026).
Common questions
- What is the difference between langcorn and vllm?
- langcorn: Serving LangChain LLM apps and agents automagically with FastApi. vllm: A high-throughput and memory-efficient inference and serving engine for LLMs. See the comparison table for live GitHub stats and shared categories.
- When should I choose langcorn over vllm?
- Choose langcorn over vllm when License: langcorn is MIT, vllm is Apache-2.0; Both Langcorn and vllm provide solutions for serving large language models, aiming to make LLM deployment efficient and accessible; Tags unique to langcorn: api, fastapi, langchain, large language models; When you are deploying applications built with Large Language Models (LLMs) like OpenAI.
- When should I choose vllm over langcorn?
- Choose vllm over langcorn when License: vllm is Apache-2.0, langcorn is MIT; Pricing: vLLM operates under the Apache-2.0 license, so it's entirely free to use without direct monetary costs, but users might incur costs related to hardware and cloud services required for deployment.; Requirements: Installation can be done via
uv pip install vllmor by building from source, allowing flexibility in how the tool is set up.; Both Langcorn and vllm provide solutions for serving large language models, aiming to make LLM deployment efficient and accessible; Tags unique to vllm: amd, cuda, deepseek, gpt; When you need to deploy large language models with requirements for both high throughput and low resource consumption. - When should I avoid langcorn?
- When you require a framework other than FastAPI for your deployment needs. If you are looking for broader support beyond LangChain-compatible projects. In cases where minimal integration with the current infrastructure is not acceptable, as LangCorn requires specific adaptation steps.
- When should I avoid vllm?
- Avoid using vLLM if your application strictly limits itself to a single type of hardware without needing cross-platform compatibility, as it may introduce unnecessary complexity. If memory efficiency is not a concern and you are optimizing for simplicity over resource management, alternatives with less configuration might be preferable.
- Is langcorn or vllm more popular on GitHub?
- vllm has more GitHub stars (87,847 vs 938). Stars measure visibility, not whether either tool fits your constraints.
- Are langcorn and vllm open source?
- Yes - both are open-source projects on GitHub (langcorn: MIT, vllm: Apache-2.0).
- Where can I find alternatives to langcorn or vllm?
- GraphCanon lists graph-backed alternatives at langcorn alternatives and vllm alternatives (langcorn markdown twin, vllm 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, langcorn or vllm?
- langcorn: Dormant. vllm: 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 langcorn and vllm?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langcorn trust report; vllm trust report.