mlc-llm vs vllm

mlc-llm and vllm share 8 technologies: FastAPI, datasets, OpenAI, sentencepiece, transformers, safetensors, tiktoken, and torch. Both are written in Python.

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What they share and what sets them apart

mlc-ai

mlc-llm

Universal LLM Deployment Engine with ML Compilation

Python23.3kRead on November 4, 2026, at commit 44fd06dWhat is mlc-llm built with?

Only in mlc-llm

In common

vllm-project

vllm

A high-throughput and memory-efficient inference and serving engine for LLMs

Python96.3kRead on November 4, 2026, at commit 75f6761What is vllm built with?

Only in vllm

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
mlc-llm80,952 lines written325 code files
vllm2,375,117 lines written3,289 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
mlc-llm0.2% of its commits signed by AIWith Claude Code, Gemini CLI, and GitHub Copilot
vllm12.8% of its commits signed by AIWith Claude Code, Codex, Gemini CLI, Cursor, GitHub Copilot, Devin, Mistral Vibe, CodeRabbit, Factory, and Qwen Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
mlc-llmLast push October 30, 20261,823 commits23,302 stars
vllmLast push November 4, 202624,593 commits96,302 stars
TestsThe files that test the code, and the share of code files a test imports.
mlc-llm69 test files16.3% of its code files have a test that imports them
vllm2,419 test files60.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, mlc-llm or vllm?
vllm, with 2,375,117 lines written; mlc-llm has 80,952.

The proof: vllm-project/vllm's code at commit 75f6761

Which has more GitHub stars, mlc-llm or vllm?
vllm, with 96,302 stars; mlc-llm has 23,302.

The proof: vllm-project/vllm on GitHub

Which has more tests, mlc-llm or vllm?
vllm, with 2,419 test files; mlc-llm has 69.

The proof: vllm-project/vllm's code at commit 75f6761

Which was updated more recently, mlc-llm or vllm?
vllm: its last push was on November 4, 2026, and mlc-llm's on October 30, 2026.

The proof: vllm-project/vllm's commits on GitHub

Which has more commits signed by AI, mlc-llm 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; in mlc-llm, 0.2%.

The proof: the commits each tool signed in vllm-project/vllm

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