parlant vs langflow
parlant and langflow share 16 technologies: FastAPI, OpenAI, uvicorn, Vite, React, Rich, MCP, jsonschema, boto3, Tailwind CSS, tailwind-merge, class-variance-authority, Radix UI, Lucide, rehype-raw, and remark-gfm. Both are written in Python.
LinkedInWhat they share and what sets them apart
emcie-co
parlant
Parlant is an open platform for building customer-facing chat agents with AI. Describe how the agent should behave, and your coding agent implements it for you.
Python18.3kRead on November 6, 2026, at commit a071a81What is parlant built with?Only in parlant
starlette
- aiosqlite
- SQLite
- nano-vectordb
fastmcp
authlib
- keyring
tokenizers
- tiktoken
- jinja2
- openapi3-parser
- coloredlogs
- OpenTelemetry
opentelemetry-instrumentation
structlog
- next-themes
sonner
react-resizable-panels
- CodeMirror
- TanStack
vaul
rehype-highlight
- streamdown
In common
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?Only in langflow
pyarrow
oracledb
- Redis
- AIOHTTP
react-router-dom
- SQLAlchemy
- cryptography
- pyjwt
bcrypt
google-auth-oauthlib
firecrawl-py
- LangChain
- langchain-classic
- exa-py
pillow
- defusedxml
pypdf
- markitdown
- Pydantic
msgspec
- validators
psutil
loguru
- xyflow
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
react-icons
- @radix-ui/react-icons
- react-markdown
- dompurify
rehype-sanitize
Side by side
parlantlangflow
SizeLines written by people and agents, without generated ones; code files, without tests.
parlant214,893 lines written334 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.
parlant1.1% of its commits signed by AIWith Claude Code, Codex, and GitHub Copilot
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.
parlantLast push November 6, 20265,148 commits18,325 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.
parlant257 test files57.5% 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, parlant or langflow?
langflow, with 1,446,517 lines written; parlant has 214,893.
Which has more GitHub stars, parlant or langflow?
langflow, with 156,316 stars; parlant has 18,325.
The proof: langflow-ai/langflow on GitHub
Which has more tests, parlant or langflow?
langflow, with 3,083 test files; parlant has 257.
Which was updated more recently, parlant or langflow?
parlant: its last push was on November 6, 2026, and langflow's on November 4, 2026.
The proof: emcie-co/parlant's commits on GitHub
Which has more commits signed by AI, parlant or langflow?
langflow: an AI signed 1.5% of its commits, with Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp; in parlant, 1.1%.
The proof: the commits each tool signed in langflow-ai/langflow
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