Compare
spec-kit vs langflow
spec-kit and langflow share 3 technologies: Rich, MCP, and Pydantic. Both are written in Python.
What they share and what sets them apart
github
spec-kit
💫 Toolkit to help you get started with SDD or any other process!
Python146.9kRead on November 4, 2026, at commit a227e38What is spec-kit built with?langflow-ai
langflow
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
Python156.3kRead on November 4, 2026, at commit 60999ccWhat is langflow built with?In common
Only in langflow
- FastAPI
pyarrow
- oracledb
- Redis
OpenAIuvicorn
- AIOHTTP
- Vite
- React
react-router-dom
- SQLAlchemy
- cryptography
- pyjwt
- bcrypt
google-auth-oauthlib
firecrawl-py
- LangChain
- langchain-classic
- exa-py
pillow
- defusedxml
pypdf
- markitdown
- jsonschema
- msgspec
- validators
psutil
- loguru
- boto3
- Tailwind CSS
class-variance-authority
tailwind-merge
- xyflow
- Radix UI
- ag-grid-community
- Framer
- react-hotkeys-hook
- use-stick-to-bottom
react-syntax-highlighter
- ace-builds
- Headless UI
- cmdk
elkjs
react-day-picker
- react-error-boundary
react-sortablejs
- reactflow
- Lucide
react-icons
- @radix-ui/react-icons
- react-markdown
remark-gfm
- dompurify
- rehype-sanitize
- rehype-raw
Side by side
spec-kitlangflow
SizeLines written by people and agents, without generated ones; code files, without tests.
spec-kit267,127 lines written293 code files
langflow1,446,517 lines written3,937 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.
spec-kit47.1% of its commits signed by AIWith GitHub Copilot, Claude Code, Cursor, Mistral Vibe, Factory, Codex, and Gemini CLI
langflow1.5% of its commits signed by AIWith Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp
ActivityFrom GitHub and its history, on the day SeeRepo read it.
spec-kitLast push November 3, 20262,178 commits146,894 stars
langflowLast push November 4, 202617,600 commits156,316 stars
TestsThe files that test the code, and the share of code files a test imports.
spec-kit364 test files53.6% of its code files have a test that imports them
langflow3,083 test files35.1% of its code files have a test that imports them
Frequently asked questions
Which is bigger, spec-kit or langflow?
langflow, with 1,446,517 lines written in 3,937 code files; spec-kit has 267,127 in 293.
Which has more GitHub stars, spec-kit or langflow?
langflow, with 156,316 stars; spec-kit has 146,894.
The proof: langflow-ai/langflow on GitHub
Which has more tests, spec-kit or langflow?
langflow, with 3,083 test files; spec-kit has 364.
Which was updated more recently, spec-kit or langflow?
langflow: its last push was on November 4, 2026, and spec-kit's on November 3, 2026.
The proof: langflow-ai/langflow's commits on GitHub
Which has more commits signed by AI, spec-kit or langflow?
spec-kit: an AI signed 47.1% of its commits, with GitHub Copilot, Claude Code, Cursor, Mistral Vibe, Factory, Codex, and Gemini CLI; in langflow, 1.5%.
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