Skip to main content
Pre-release

This release is a pre-release and may not be stable for production use.

vLLM Semantic Router

Intelligent Router for Mixture-of-Models (MoM).

GitHub: https://github.com/vllm-project/semantic-router

Quick Start

Installation

# Install from PyPI
pip install vllm-sr

# Or install from source (development)
cd src/vllm-sr
pip install -e .

Usage

# Initialize vLLM Semantic Router Configuration
vllm-sr init

# Start the router (includes dashboard)
vllm-sr serve

# Open dashboard in browser
vllm-sr dashboard

# View logs
vllm-sr logs router
vllm-sr logs envoy
vllm-sr logs dashboard

# Check status
vllm-sr status

# Stop
vllm-sr stop

Features

  • Router: Intelligent request routing based on intent classification
  • Envoy Proxy: High-performance proxy with ext_proc integration
  • Dashboard: Web UI for monitoring and testing (http://localhost:8700)
  • Metrics: Prometheus metrics endpoint (http://localhost:9190/metrics)

Endpoints

After running vllm-sr serve, the following endpoints are available:

Endpoint Port Description
Dashboard 8700 Web UI for monitoring and Playground
API 8888* Chat completions API (configurable in config.yaml)
Metrics 9190 Prometheus metrics
gRPC 50051 Router gRPC (internal)

*Default port, configurable via listeners in config.yaml

Configuration

File Descriptor Limits

The CLI automatically sets file descriptor limits to 65,536 for Envoy proxy. To customize:

export VLLM_SR_NOFILE_LIMIT=100000  # Optional (min: 8192)
vllm-sr serve

License

Apache 2.0

Metadata

Release files for vllm-sr 0.1.0b2.dev20260120114632

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for vllm-sr 0.1.0b2.dev20260120114632
File Size Uploaded Provenance Actions
vllm_sr-0.1.0b2.dev20260120114632.tar.gz 37.5 kB Without provenance Details for vllm_sr-0.1.0b2.dev20260120114632.tar.gz

Built distribution (wheel)

Table of built distributions (wheels) for vllm-sr 0.1.0b2.dev20260120114632
File Interpreter ABI Platform Actions
vllm_sr-0.1.0b2.dev20260120114632-py3-none-any.whl Python 3 none any Details for vllm_sr-0.1.0b2.dev20260120114632-py3-none-any.whl

Total release size: 83.4 kB

Release files / vllm_sr-0.1.0b2.dev20260120114632.tar.gz

Download URL vllm_sr-0.1.0b2.dev20260120114632.tar.gz
Size 37.5 kB
Tags Source
SHA-256 checksum
How to use checksums
9756c15bb885e6780b1e608ddb033fa8296a33700648542ec955aecbaac33589
BLAKE2b-256 checksum
How to use checksums
5739172fb5362907271978c38d55db3603702abdcbc3495b364603b35e8da8d6
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
No
Uploaded via twine/6.2.0 CPython/3.11.14

Release files / vllm_sr-0.1.0b2.dev20260120114632-py3-none-any.whl

Download URL vllm_sr-0.1.0b2.dev20260120114632-py3-none-any.whl
Size 45.9 kB
Tags Python 3
SHA-256 checksum
How to use checksums
012c4fcc16cf6682e6adb128396c518651e1bd58f281f8d8cab745eed48f3701
BLAKE2b-256 checksum
How to use checksums
6a42636bcc8cdc9328fe5b807538880b9cac6057c369c0a7b6dba8f2422c101a
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
No
Uploaded via twine/6.2.0 CPython/3.11.14

Security for vllm-sr 0.1.0b2.dev20260120114632

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

No provenance found

None of the files in this release were uploaded with provenance metadata.

A note on package security

PyPI is a repository for distributing packages, not a service for auditing them. While third-party security researchers and our staff do their best to detect and remove malicious packages, PyPI cannot guarantee the quality, security or suitability of any given package.

To learn more about protecting yourself from malicious actors, visit our package security documentation.

Release history Release notifications | RSS feed

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page