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mamba vs vllm

mamba and vllm share 5 technologies: quack-kernels, torch, triton, einops, and transformers. Both are written in Python.

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What they share and what sets them apart

state-spaces

mamba

Mamba SSM architecture

Python19kRead on November 6, 2026, at commit e9594ceWhat is mamba built with?

Only in mamba

  • apache-tvm-ffi

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.
mamba28,235 lines written43 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.
mamba0.5% of its commits signed by AIWith 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.
mambaLast push July 22, 2026219 commits18,976 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.
mamba11 test files51.2% 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, mamba or vllm?
vllm, with 2,375,117 lines written; mamba has 28,235.

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

Which has more GitHub stars, mamba or vllm?
vllm, with 96,302 stars; mamba has 18,976.

The proof: vllm-project/vllm on GitHub

Which has more tests, mamba or vllm?
vllm, with 2,419 test files; mamba has 11.

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

Which was updated more recently, mamba or vllm?
vllm: its last push was on November 4, 2026, and mamba's on July 22, 2026.

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

Which has more commits signed by AI, mamba 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 mamba, 0.5%.

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

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