What is axolotl built with?

Q: Which repos have a stack like axolotl's?

The ones that share most of its stack: ray-project/ray, hiyouga/LlamaFactory, and bojieli/ai-agent-book.

axolotl is a Python repo. It uses AI through fla-core, flash-linear-attention, langdetect, lm-eval, sentencepiece, and 18 more, measures its use with PostHog, validates its data with Pydantic, and uses adlfs, gcsfs, s3fs, and Hugging Face. It has 396,280 written lines, with 815 test files.

Read on November 10, 2026, at commit cc14b95. Read it as markdown

The card says what it's built with. Its whole map opens it up: every part of the code and how it connects to the rest.

Frontend

Interface 1

Gradio2 files

Backend

Data 3

adlfs1 file
gcsfs1 file
s3fs1 file

AI 23

torch362 files
peft52 files
accelerate38 files
torchao32 files
trl25 files
kernels7 files
tokenizers2 files
evaluate1 file
optimum1 file
trackio1 file
fla-core
flash-linear-attention

11 more

lm-eval
transformers217 files
triton47 files
datasets25 files
bitsandbytes17 files
liger-kernel9 files
xformers4 files
einops3 files
mistral-common1 file
langdetect
sentencepiece

Services 2

Hugging Face18 files · src/axolotl/utils/data/utils.py, line 10
PostHog1 file · src/axolotl/telemetry/manager.py, line 13

Support

Validation 1

Pydantic52 files

Tools 7

Numba2 files
antlr4-python3-runtime
tensorboard
Typer
packaging10 files
fire7 files
typing-extensions4 files

Other 14

NumPy29 files
pyyaml16 files
wandb3 files
certifi
hf-xet
nvidia-ml-py
SciPy
requests12 files
colorama6 files
addict2 files
python-dotenv1 file
zstandard1 file

2 more

hf-transfer
immutabledict

Other repos with a similar stack

Ordered by how much of its stack they share with axolotl, then by stars.

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LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.
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Frequently asked questions

What language is axolotl written in?

axolotl is written in Python, with 396,280 written lines.

Does axolotl use AI?

Yes. axolotl uses AI through fla-core, flash-linear-attention, langdetect, lm-eval, sentencepiece, torch, transformers, peft, triton, accelerate, torchao, datasets, trl, bitsandbytes, liger-kernel, kernels, xformers, einops, tokenizers, evaluate, mistral-common, optimum, and trackio.

What services does axolotl use?

axolotl measures its use with PostHog and uses adlfs, gcsfs, s3fs, and Hugging Face.

The proof: src/axolotl/telemetry/manager.py, line 13

Does axolotl have tests?

Yes. axolotl has 815 test files.

Which repos have a stack like axolotl's?

The ones that share most of its stack:ray-project/ray hiyouga/LlamaFactory bojieli/ai-agent-book