Home/Compare/ai-serving vs langserve

Comparison

ai-serving vs langserve

Verdict

Pick ai-serving if ai-Serving is an inference server supporting PMML and ONNX formats via HTTP or gRPC endpoints, easily deployable with Docker; pick langserve if langServe offers tools to deploy and serve models using LangChain with FastAPI.

Markdown twin · ai-serving alternatives · langserve alternatives

GraphCanon updated 1w

ai-serving logo

ai-serving

autodeployai/ai-serving

166pushed Feb 24, 2026
vs
langserve logo

langserve

langchain-ai/langserve

2.3kpushed May 5, 2026

Trust & integrity

Signalai-servinglangserve
Maintenance
Slowing (171d since push)
As of 1w · github_public_v1
Archived (94d since push)
As of 1w · github_public_v1
Provenance
Not a fork · Organization account
As of 1w · 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

ai-serving
Serving AI/ML models in open standard formats PMML and ONNX with HTTP and gRPC endpoints
langserve
LangServe 🦜️🏓

Stars

ai-serving
166
langserve
2.3k

Forks

ai-serving
31
langserve
272

Open issues

ai-serving
3
langserve
139

Language

ai-serving
Scala
langserve
JavaScript

Adopt for

ai-serving
Ai-Serving is an inference server supporting PMML and ONNX formats via HTTP or gRPC endpoints, easily deployable with Docker.
langserve
LangServe offers tools to deploy and serve models using LangChain with FastAPI.

Persona

ai-serving
-
langserve
-

Runtime

ai-serving
-
langserve
-

License

ai-serving
Apache-2.0
langserve
Other

Last pushed

ai-serving
Feb 24, 2026
langserve
May 5, 2026

Categories

ai-serving
Inference & Serving
langserve
Inference & Serving

Trust and health

Maintenance

ai-serving
Slowing (36%)
langserve
Archived (8%)

Days since push

ai-serving
171d
langserve
94d

Archived on GitHub

ai-serving
No
langserve
Yes

Open issues (now)

ai-serving
3
langserve
139

Stars delta

ai-serving
0 (30d)
langserve
Unknown

Open issues delta

ai-serving
0 (30d)
langserve
Unknown

Full report

ai-serving
Trust report
langserve
Trust report

Choose ai-serving if…

  • ai-serving is primarily Scala; langserve is JavaScript.
  • License: ai-serving is Apache-2.0, langserve is Other.
  • Tags unique to ai-serving: ai-serving, grpc, inference-server, onnx.
  • When you need to serve models in both PMML and ONNX formats without manual configuration changes between formats.

When NOT to use ai-serving

  • Avoid if your team lacks familiarity or willingness to use Scala for deployment through sbt build system for customization needs.
  • Not suitable when only one model format, either PMML or ONNX but not both, is needed and a simpler solution would suffice.
  • If your project strictly requires a non-Dockerized setup that does not align with using pre-built Docker images.

Choose langserve if…

  • langserve is primarily JavaScript; ai-serving is Scala.
  • License: langserve is Other, ai-serving is Apache-2.0.
  • 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.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: ai-serving 166 · langserve 2.3k (synced Aug 14, 2026).

Common questions

What is the difference between ai-serving and langserve?
ai-serving: Serving AI/ML models in open standard formats PMML and ONNX with HTTP and gRPC endpoints. langserve: LangServe 🦜️🏓. See the comparison table for live GitHub stats and shared categories.
When should I choose ai-serving over langserve?
Choose ai-serving over langserve when ai-serving is primarily Scala; langserve is JavaScript; License: ai-serving is Apache-2.0, langserve is Other; Tags unique to ai-serving: ai-serving, grpc, inference-server, onnx; When you need to serve models in both PMML and ONNX formats without manual configuration changes between formats.
When should I choose langserve over ai-serving?
Choose langserve over ai-serving when langserve is primarily JavaScript; ai-serving is Scala; License: langserve is Other, ai-serving is Apache-2.0; 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 avoid ai-serving?
Avoid if your team lacks familiarity or willingness to use Scala for deployment through sbt build system for customization needs. Not suitable when only one model format, either PMML or ONNX but not both, is needed and a simpler solution would suffice. If your project strictly requires a non-Dockerized setup that does not align with using pre-built Docker images.
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.
Is ai-serving or langserve more popular on GitHub?
langserve has more GitHub stars (2,332 vs 166). Stars measure visibility, not whether either tool fits your constraints.
Are ai-serving and langserve open source?
Yes - both are open-source projects on GitHub (ai-serving: Apache-2.0, langserve: Other).
Where can I find alternatives to ai-serving or langserve?
GraphCanon lists graph-backed alternatives at ai-serving alternatives and langserve alternatives (ai-serving markdown twin, langserve 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, ai-serving or langserve?
ai-serving: Slowing. langserve: Archived. 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 ai-serving and langserve?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ai-serving trust report; langserve trust report.

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