ray vs reflex
ray and reflex share 8 technologies: Redis, starlette, React, Rich, SQLAlchemy, opentelemetry-instrumentation, psutil, and OpenTelemetry. Both are written in Python.
LinkedInWhat they share and what sets them apart
ray-project
ray
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
Python44.2kRead on November 6, 2026, at commit 77567c5What is ray built with?Only in ray
- FastAPI
- amqp
- async-lru
- azure-common
- azure-datalake-store
- azure-storage-blob
confluent-kafka
- diskcache
expiringdict
- gitdb
google-cloud-core
h5py
kombu
pickleshare
- pylance
- pymongo
pyarrow
- aioboto3
- MongoDB
- adlfs
- smart-open
pyiceberg
- pymysql
clickhouse-connect
deltalake
- gcsfs
- Celery
- fastavro
- pyzmq
- s3fs
webdataset
- Hugging Face
- Google Cloud Storage
- Kafka
- asgiref
- Flask
- flask-cors
- graphene
- graphql-core
- graphql-relay
- jupyter-core
jupyterlab-server
werkzeug
- Ray
- AIOHTTP
- Lightning
- anyio
tornado
uvicorn
react-router-dom
- alabaster
- cycler
fonttools
jupyterlab-pygments
- pydata-sphinx-theme
- soupsieve
sphinx-design
- tinycss2
contourpy
- glfw
- jupyter-server-terminals
- jupyterlab-widgets
- matplotlib-inline
- Plotly
prompt-toolkit
pyopengl
- Textual
- widgetsnbextension
- xyzservices
- Gradio
- ipywidgets
matplotlib
- pydot
- alembic
peewee
sqlglot
- argon2-cffi
- argon2-cffi-bindings
- azure-identity
- flask-basicauth
itsdangerous
joserfc
- jwcrypto
- keyring
- msal
- msal-extensions
- oauth2client
oauthlib
- pyjwt
requests-oauthlib
- cryptography
google-auth-httplib2
- albucore
- bitsandbytes
cmdstanpy
- crcmod
cupy-cuda12x
- einops
- fairscale
gradio-client
- gym
- LangChain
- llvmlite
lm-eval
- ml-dtypes
- MLflow
nltk
- ONNX
- onnxruntime
onnxscript
openai-whisper
- opt-einsum
- orbax-checkpoint
peft
prophet
rouge-score
- sacrebleu
safetensors
scikit-image
- sentencepiece
skops
tf-keras
- tiktoken
timm
tokenizers
torchtext
- triton
- gymnasium
- torch
- transformers
- TensorFlow
jax
torchvision
- xgboost
lightgbm
- scikit-learn
accelerate
- datasets
- pytorch-lightning
evaluate
flax
- Keras
- torchmetrics
albumentations
deepspeed
diffusers
- hyperopt
- Optuna
- pettingzoo
tensordict
tensorflow-datasets
tensorflow-probability
torchaudio
- bleach
- defusedxml
et-xmlfile
imageio
imageio-ffmpeg
- imagesize
- jsonlines
- linkify-it-py
lxml
- mako
- markdown
markdown-it-py
markupsafe
- mdurl
mistune
- moviepy
- nbconvert
- nh3
- openpyxl
- pandocfilters
ruamel-yaml
webencodings
- xlrd
- xmltodict
pillow
- docutils
- jinja2
- beautifulsoup4
av
- nbformat
- torchcodec
- annotated-types
- fastjsonschema
- fqdn
- jsonschema-specifications
- pathvalidate
- pydantic-core
- referencing
- rfc3339-validator
- rfc3986
- rfc3986-validator
- validators
- Pydantic
- jsonschema
- openapi-schema-validator
- aiobotocore
- azure-mgmt-compute
- azure-mgmt-resource
- colorlog
- Gunicorn
- opentelemetry-api
opentelemetry-semantic-conventions
- python-json-logger
- boto3
- botocore
prometheus-client
kubernetes
- docker
opentelemetry-instrumentation-fastapi
- typeface-roboto
- MUI
usehooks-ts
- lowlight
react-window
react-icons
- @mui/icons-material
- js-yaml
In common
- Redis
starlette
- React
- Rich
- SQLAlchemy
psutil
- OpenTelemetry
reflex-dev
reflex
🕸️ Web apps in pure Python 🐍
Python29kRead on November 8, 2026, at commit 0bc8a45What is reflex built with?Only in reflex
- granian
- Tailwind CSS
hugeicons
- email-validator
Side by side
rayreflex
SizeLines written by people and agents, without generated ones; code files, without tests.
ray1,531,664 lines written2,777 code files
reflex402,435 lines written647 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.
ray3.6% of its commits signed by AIWith Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex
reflex8.1% of its commits signed by AIWith Claude Code, Devin, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
rayLast push November 6, 202632,373 commits44,213 stars
reflexLast push November 8, 20263,835 commits29,000 stars
TestsThe files that test the code, and the share of code files a test imports.
ray2,168 test files9.7% of its code files have a test that imports them
reflex605 test files17.5% of its code files have a test that imports them
Frequently asked questions
Which is bigger, ray or reflex?
ray, with 1,531,664 lines written; reflex has 402,435.
The proof: ray-project/ray's code at commit 77567c5
Which has more GitHub stars, ray or reflex?
ray, with 44,213 stars; reflex has 29,000.
The proof: ray-project/ray on GitHub
Which has more tests, ray or reflex?
ray, with 2,168 test files; reflex has 605.
The proof: ray-project/ray's code at commit 77567c5
Which was updated more recently, ray or reflex?
reflex: its last push was on November 8, 2026, and ray's on November 6, 2026.
The proof: reflex-dev/reflex's commits on GitHub
Which has more commits signed by AI, ray or reflex?
reflex: an AI signed 8.1% of its commits, with Claude Code, Devin, GitHub Copilot, and Cursor; in ray, 3.6%.
The proof: the commits each tool signed in reflex-dev/reflex
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