head to head · open source

vllm vs chitu

vllm has 92,028 GitHub stars, 22,335 forks, 7,953 open issues and last shipped yesterday. chitu has 3,001 stars, 259 forks, 57 open issues and last shipped yesterday. vllm leads on adoption by 2,967% (92,028 vs 3,001 stars). vllm is written in Python under Apache-2.0; chitu is written in Python under Apache-2.0. vllm has attracted 24% as many forks as stars, chitu 9%. vllm was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (deepseek, llm, llm-serving), so they are genuine substitutes rather than adjacent tools.

Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.

vllm ★ 92K chitu ★ 3.0K category AI & Machine Learning

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Side by side

	vllm	chitu
GitHub stars	★ 92K	★ 3.0K
License	Apache-2.0	Apache-2.0
Written in	Python	Python
Last push	2026-09-17	2026-09-17
Forks	⑂ 22K	⑂ 259
Self-hosting	Yes	Yes
Data ownership	Your server	Your server

pick vllm if

You weight community size — 92K stars and counting
You want the Apache-2.0 license terms
Your stack matches Python
You value the larger contributor base for long-term maintenance

full vllm profile →

pick chitu if

You want the chitu feature set and don't need the biggest community
You prefer the Apache-2.0 license terms
Your stack matches Python
You evaluated both and chitu fits your workflow better

full chitu profile →

About vllm

vLLM is a high throughput, memory efficient Python library for LLM inference and serving, built for ML engineers and platform teams who need to run open weight models on their own hardware at production scale.

read the full vllm overview →

About chitu

Chitu is an open source Python inference framework for large language models. It lives in the PyTorch GPU model serving ecosystem, with topics including deepseek, llm serving, model serving, and pytorch, and it is Apache 2.0 licensed. The project describes itself as a high performance engine focused on efficiency, flexibility, and availability for production deployment.

read the full chitu overview →

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Frequently asked questions

Is vllm or chitu more popular?

vllm has 92,028 GitHub stars and chitu has 3,001. vllm has the larger community by that measure.

Are vllm and chitu free?

Both are open source. vllm is licensed under Apache-2.0 and chitu under Apache-2.0. Neither carries a licence fee.

What is the difference between vllm and chitu?

vllm is written in Python and chitu in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.

Which should I choose, vllm or chitu?

Choose vllm if you want the larger community (92,028 stars) or its Apache-2.0 licence terms. Choose chitu if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.