LlamaFactory vs vllm
LlamaFactory and vllm share 12 technologies: FastAPI, einops, sentencepiece, tiktoken, torchvision, transformers, torch, datasets, peft, safetensors, torchaudio, and Pydantic. Both are written in Python.
LinkedInWhat they share and what sets them apart
hiyouga
LlamaFactory
Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)
Python75.9kRead on November 4, 2026, at commit 702005cWhat is LlamaFactory built with?Only in LlamaFactory
uvicorn
- Gradio
matplotlib
triton-ascend
accelerate
trl
deepspeed
- liger-kernel
- ModelScope
- bitsandbytes
nltk
- torchdata
- torchcodec
av
- jsonschema-specifications
- referencing
In common
- FastAPI
- einops
- sentencepiece
- tiktoken
torchvision
- transformers
- torch
- datasets
peft
safetensors
torchaudio
- Pydantic
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
- axum
- gitdb
- pyzmq
- Hugging Face
- Tokio
starlette
- Ray
- AIOHTTP
- tower
mkdocs-material
- indicatif
- NVIDIA
OpenAI- quack-kernels
- triton
- MCP
tokenizers
- markdown
markupsafe
- pymdown-extensions
pillow
- image
- jinja2
msgspec
- jsonschema
- pydantic-core
- opentelemetry-api
- python-json-logger
tracing
prometheus-client
psutil
- OpenTelemetry
- opentelemetry-sdk
- prometheus-fastapi-instrumentator
Side by side
LlamaFactoryvllm
SizeLines written by people and agents, without generated ones; code files, without tests.
LlamaFactory62,624 lines written194 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.
LlamaFactory1.6% of its commits signed by AIWith Gemini CLI, Claude Code, GitHub Copilot, and Cursor
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.
LlamaFactoryLast push November 4, 20262,769 commits75,890 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.
LlamaFactory62 test files38.1% 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, LlamaFactory or vllm?
vllm, with 2,375,117 lines written; LlamaFactory has 62,624.
The proof: vllm-project/vllm's code at commit 75f6761
Which has more GitHub stars, LlamaFactory or vllm?
vllm, with 96,302 stars; LlamaFactory has 75,890.
The proof: vllm-project/vllm on GitHub
Which has more tests, LlamaFactory or vllm?
vllm, with 2,419 test files; LlamaFactory has 62.
The proof: vllm-project/vllm's code at commit 75f6761
Which was updated more recently, LlamaFactory or vllm?
Both got their last push on November 4, 2026.
The proof: vllm-project/vllm's commits on GitHub
Which has more commits signed by AI, LlamaFactory 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 LlamaFactory, 1.6%.
The proof: the commits each tool signed in vllm-project/vllm
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