Comparison
langserve vs Server
Verdict
Pick langserve if langServe offers tools to deploy and serve models using LangChain with FastAPI; pick Server if server is a standalone HTTP-based inference server for deploying Rubix ML estimators using PHP.
Markdown twin · langserve alternatives · Server alternatives
GraphCanon updated Sep 20, 2026
13views this month
Trust & integrity
| Signal | langserve | Server |
|---|---|---|
| Maintenance | Archived (124d since push) As of Sep 7, 2026 · github_public_v1 | Slowing (201d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 7, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 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 Jul 15, 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
- langserve
- LangServe 🦜️🏓
- Server
- Standalone inference server for Rubix ML estimators.
Stars
- langserve
- 2.3k
- Server
- 63
Forks
- langserve
- 270
- Server
- 13
Open issues
- langserve
- 139
- Server
- 1
Language
- langserve
- JavaScript
- Server
- PHP
Adopt for
- langserve
- LangServe offers tools to deploy and serve models using LangChain with FastAPI.
- Server
- Server is a standalone HTTP-based inference server for deploying Rubix ML estimators using PHP.
Persona
- langserve
- -
- Server
- -
Runtime
- langserve
- -
- Server
- -
License
- langserve
- Other
- Server
- MIT
Last pushed
- langserve
- May 5, 2026
- Server
- Mar 3, 2026
Categories
- langserve
- Inference & Serving
- Server
- Inference & Serving
Trust and health
Maintenance
- langserve
- Archived (8%)
- Server
- Slowing (36%)
Days since push
- langserve
- 124d
- Server
- 201d
Archived on GitHub
- langserve
- Yes
- Server
- No
Open issues (now)
- langserve
- 139
- Server
- 1
Stars delta
- langserve
- -4 (30d)
- Server
- 0 (30d)
Full report
- langserve
- Trust report
- Server
- Trust report
Choose langserve if…
- langserve is primarily JavaScript; Server is PHP.
- License: langserve is Other, Server is MIT.
- Tags unique to langserve: deployment, fastapi, langchain, llm.
- When you are working in an environment where models need to be served efficiently and require the capabilities of both LangChain and FastAPI.
When NOT to use langserve
- When you prefer using frameworks or tools that are not built around Python's ecosystem and require languages like JavaScript or Java.
- If your project specifically requires a non-FastAPI backend for serving models because of specific performance criteria, constraints, or compatibility issues with FastAPI.
Choose Server if…
- Server is primarily PHP; langserve is JavaScript.
- License: Server is MIT, langserve is Other.
- Tags unique to Server: api, http-server, inference-engine, infrastructure.
- When you are working with machine learning models trained in the Rubix ML framework and need to deploy them via a PHP-based infrastructure.
When NOT to use Server
- Avoid using if your primary technology stack is not based on PHP, as it would necessitate integration with a non-native language environment, increasing complexity.
- Do not use this tool for large-scale deployments requiring high throughput and low latency typical of more robust languages like Python or Rust.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (langchain-ai/langserve) · observed Sep 20, 2026
- GitHub forks (langchain-ai/langserve) · observed Sep 20, 2026
- Last push (langchain-ai/langserve) · observed May 5, 2026
- License file (Other) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (RubixML/Server) · observed Sep 20, 2026
- GitHub forks (RubixML/Server) · observed Sep 20, 2026
- Last push (RubixML/Server) · observed Mar 3, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: langserve 2.3k · Server 63 (synced Sep 20, 2026).
Common questions
- What is the difference between langserve and Server?
- langserve: LangServe 🦜️🏓. Server: Standalone inference server for Rubix ML estimators.. See the comparison table for live GitHub stats and shared categories.
- When should I choose langserve over Server?
- Choose langserve over Server when langserve is primarily JavaScript; Server is PHP; License: langserve is Other, Server is MIT; Tags unique to langserve: deployment, fastapi, langchain, llm; When you are working in an environment where models need to be served efficiently and require the capabilities of both LangChain and FastAPI.
- When should I choose Server over langserve?
- Choose Server over langserve when Server is primarily PHP; langserve is JavaScript; License: Server is MIT, langserve is Other; Tags unique to Server: api, http-server, inference-engine, infrastructure; When you are working with machine learning models trained in the Rubix ML framework and need to deploy them via a PHP-based infrastructure.
- When should I avoid langserve?
- When you prefer using frameworks or tools that are not built around Python's ecosystem and require languages like JavaScript or Java. If your project specifically requires a non-FastAPI backend for serving models because of specific performance criteria, constraints, or compatibility issues with FastAPI.
- When should I avoid Server?
- Avoid using if your primary technology stack is not based on PHP, as it would necessitate integration with a non-native language environment, increasing complexity. Do not use this tool for large-scale deployments requiring high throughput and low latency typical of more robust languages like Python or Rust.
- Is langserve or Server more popular on GitHub?
- langserve has more GitHub stars (2,328 vs 63). Stars measure visibility, not whether either tool fits your constraints.
- Are langserve and Server open source?
- Yes - both are open-source projects on GitHub (langserve: Other, Server: MIT).
- Where can I find alternatives to langserve or Server?
- GraphCanon lists graph-backed alternatives at langserve alternatives and Server alternatives (langserve markdown twin, Server 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, langserve or Server?
- langserve: Archived. Server: 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 langserve and Server?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langserve trust report; Server trust report.