Source: https://seerepo.com/compare/GoogleCloudPlatform/microservices-demo/vs/vllm-project/vllm
Markdown source: https://seerepo.com/compare/GoogleCloudPlatform/microservices-demo/vs/vllm-project/vllm.md
Description: microservices-demo and vllm share 9 technologies: pyzmq, markupsafe, pillow, jinja2, Pydantic, psutil, python-json-logger, OpenTelemetry, and opentelemetry-sdk. microservices-demo is written in Go and vllm in Python.

# microservices-demo vs vllm

microservices-demo and vllm share 9 technologies: pyzmq, markupsafe, pillow, jinja2, Pydantic, psutil, python-json-logger, OpenTelemetry, and opentelemetry-sdk. microservices-demo is written in Go and vllm in Python.

- [GoogleCloudPlatform/microservices-demo](https://seerepo.com/r/GoogleCloudPlatform/microservices-demo): Sample cloud-first application with 10 microservices showcasing Kubernetes, Istio, and gRPC.
- [vllm-project/vllm](https://seerepo.com/r/vllm-project/vllm): A high-throughput and memory-efficient inference and serving engine for LLMs

## What they share and what sets them apart

- In common: pyzmq, markupsafe, pillow, jinja2, Pydantic, psutil, python-json-logger, OpenTelemetry, opentelemetry-sdk
- Only in microservices-demo: ASP.NET Core, Gorilla, Flask, asyncpg, google-cloud-core, Npgsql, pgvector, pgx, psycopg, psycopg-binary, psycopg-pool, Postgres, Redis, Google, anyio, flask-cors, Grpc.AspNetCore, werkzeug, SQLAlchemy, cryptography, flask-login, itsdangerous, LangGraph, langgraph-sdk, langsmith, LangChain, langchain-google-genai, filetype, annotated-types, github.com/go-playground/validator/v10, opentelemetry-distro, opentelemetry-instrumentation, opentelemetry-semantic-conventions, github.com/sirupsen/logrus, go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/sdk, opentelemetry-exporter-otlp-proto-grpc, cloud.google.com/go/compute/metadata, go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp, pino
- Only in vllm: FastAPI, axum, gitdb, Hugging Face, Tokio, starlette, Ray, AIOHTTP, tower, mkdocs-material, indicatif, NVIDIA, OpenAI, peft, quack-kernels, sentencepiece, torch, transformers, einops, safetensors, triton, torchvision, datasets, torchaudio, MCP, tokenizers, tiktoken, markdown, pymdown-extensions, image, msgspec, jsonschema, pydantic-core, opentelemetry-api, tracing, prometheus-client, tracing-subscriber, prometheus-fastapi-instrumentator

## Side by side

| | microservices-demo | vllm |
|---|---|---|
| Size | 9,171 lines written, 55 code files | 2,375,117 lines written, 3,289 code files |
| Who writes it | 0% of its commits signed by AI | 12.8% of its commits signed by AI. With Claude Code, Codex, Gemini CLI, Cursor, GitHub Copilot, Devin, Mistral Vibe, CodeRabbit, Factory, and Qwen Code |
| Activity | Last push October 27, 2026, 2,678 commits, 21,142 stars | Last push November 4, 2026, 24,593 commits, 96,302 stars |
| Tests | 6 test files. 14.5% of its code files have a test that imports them | 2,419 test files. 60.2% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, microservices-demo or vllm?

vllm, with 2,375,117 lines written; microservices-demo has 9,171.

The proof: [vllm-project/vllm's code at commit 75f6761](https://github.com/vllm-project/vllm/tree/75f67614971a44050140e3422c1a65fe5004a72b)

### Which has more GitHub stars, microservices-demo or vllm?

vllm, with 96,302 stars; microservices-demo has 21,142.

The proof: [vllm-project/vllm on GitHub](https://github.com/vllm-project/vllm)

### Which has more tests, microservices-demo or vllm?

vllm, with 2,419 test files; microservices-demo has 6.

The proof: [vllm-project/vllm's code at commit 75f6761](https://github.com/vllm-project/vllm/tree/75f67614971a44050140e3422c1a65fe5004a72b)

### Which was updated more recently, microservices-demo or vllm?

vllm: its last push was on November 4, 2026, and microservices-demo's on October 27, 2026.

The proof: [vllm-project/vllm's commits on GitHub](https://github.com/vllm-project/vllm/commits)

### Which has more commits signed by AI, microservices-demo or vllm?

vllm: an AI signed 12.8% of its commits, with Claude Code, Codex, Gemini CLI, Cursor, GitHub Copilot, Devin, Mistral Vibe, CodeRabbit, Factory, and Qwen Code.

The proof: [the commits each tool signed in vllm-project/vllm](https://seerepo.com/r/vllm-project/vllm/ai)

## Sources

- GoogleCloudPlatform/microservices-demo: Read on November 5, 2026, at commit c7cb6d5 (https://github.com/GoogleCloudPlatform/microservices-demo/tree/c7cb6d5bfd6ea3aed768634ebbcb98cb7a523712)
- vllm-project/vllm: Read on November 4, 2026, at commit 75f6761 (https://github.com/vllm-project/vllm/tree/75f67614971a44050140e3422c1a65fe5004a72b)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.