Source: https://seerepo.com/compare/CopilotKit/OpenBot/vs/langflow-ai/langflow
Markdown source: https://seerepo.com/compare/CopilotKit/OpenBot/vs/langflow-ai/langflow.md
Description: OpenBot and langflow share 17 technologies: FastAPI, Google, uvicorn, OpenAI, Vite, React, MCP, langchain-google-genai, Pydantic, langchain-openai, litellm, LangChain, langchain-anthropic, Tailwind CSS, class-variance-authority, tailwind-merge, and @ag-ui/client. OpenBot is written in TypeScript and langflow in Python.

# OpenBot vs langflow

OpenBot and langflow share 17 technologies: FastAPI, Google, uvicorn, OpenAI, Vite, React, MCP, langchain-google-genai, Pydantic, langchain-openai, litellm, LangChain, langchain-anthropic, Tailwind CSS, class-variance-authority, tailwind-merge, and @ag-ui/client. OpenBot is written in TypeScript and langflow in Python.

- [CopilotKit/OpenBot](https://seerepo.com/r/CopilotKit/OpenBot): Open-source AI coworkers that each get a computer of their own: a browser, files and tools, with every action decided before it happens and recorded after. Bring any AG-UI agent.
- [langflow-ai/langflow](https://seerepo.com/r/langflow-ai/langflow): Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

## What they share and what sets them apart

- In common: FastAPI, Google, uvicorn, OpenAI, Vite, React, MCP, langchain-google-genai, Pydantic, langchain-openai, litellm, LangChain, langchain-anthropic, Tailwind CSS, class-variance-authority, tailwind-merge, @ag-ui/client
- Only in OpenBot: Postgres, Anthropic, Hono, @tanstack/react-router, @tauri-apps/api, Tauri, objc2-app-kit, objc2-foundation, phoenix, react-native, Expo, expo-secure-store, llama-index-core, strands-agents, ag-ui-claude-sdk, LangGraph, ag-ui-antigravity, ag-ui-langgraph, agno, langroid, ag-ui-adk, ag-ui-crewai, ag-ui-strands, ag2, agent-framework-ag-ui, agent-framework-openai, google-adk, llama-index-protocols-ag-ui, @ag-ui/core, xterm, web-bot-auth, yaml, @mastra/core, @fontsource-variable/inter, motion, Base UI, tanstack, @shadcn/react, boring-avatars, @streamdown/code, embla-carousel-react, @tabler/icons-react, Better Auth, @copilotkit/react-core, streamdown, Zod, tauri-plugin-dialog, tauri-plugin-notification, tauri-plugin-window-state, zip, log, tauri-plugin-log, ag-ui, Drizzle, @better-auth/drizzle-adapter, http-message-sig, jose, copilotkit, @arcadeai/arcadejs, @composio/core, @mastra/client-js, mdast-util-from-markdown, OpenTelemetry, dockerode, @copilotkit/runtime
- Only in langflow: confluent-kafka, ibm-db, presto-python-client, pyarrow, lfx-datastax, langchain-astradb, oracledb, Redis, langchain-oracledb, lfx-oracle, pyiceberg, fastmcp, starlette, a2wsgi, AIOHTTP, react-router-dom, Rich, SQLAlchemy, google-auth, oauthlib, cryptography, pyjwt, bcrypt, google-auth-oauthlib, firecrawl-py, Langflow, ibm-watsonx-orchestrate-clients, lfx-google, toolguard, ibm-watsonx-orchestrate-core, langchain-aws, langchain-google-community, lfx-ibm, lfx-toolguard, langchain-cohere, langchain-ibm, lfx-anthropic, lfx-openai, ibm-watsonx-ai, langchain-ollama, langchain-plaid, lfx-amazon, exa-py, langchain-azure-ai, lfx-azure, lfx-cohere, lfx-ollama, .xlsx, pillow, defusedxml, pypdf, lfx-docling, markitdown, docling-core, jsonschema, msgspec, referencing, validators, stepflow-orchestrator, psutil, loguru, boto3, structlog, xyflow, Radix UI, ag-grid-community, ag-grid-react, Framer, react-hotkeys-hook, use-stick-to-bottom, vanilla-jsoneditor, react-syntax-highlighter, ace-builds, Headless UI, Chakra UI, cmdk, elkjs, openseadragon, react-ace, react-day-picker, react-error-boundary, react-sortablejs, reactflow, Lucide, react-icons, @radix-ui/react-icons, react-markdown, remark-gfm, rehype-mathjax, dompurify, rehype-sanitize, ansi-to-html, react-pdf, rehype-raw

## Side by side

| | OpenBot | langflow |
|---|---|---|
| Size | 986,045 lines written, 1,494 code files | 1,456,825 lines written, 3,943 code files |
| Who writes it | 9.1% of its commits signed by AI. With Claude Code | 1.5% of its commits signed by AI. With Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp |
| Activity | Last push November 12, 2026, 1,089 commits, 11,461 stars | Last push November 12, 2026, 17,668 commits, 156,550 stars |
| Tests | 1,467 test files. 67.4% of its code files have a test that imports them | 3,123 test files. 35.4% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, OpenBot or langflow?

langflow, with 1,456,825 lines written; OpenBot has 986,045.

The proof: [langflow-ai/langflow's code at commit 2cf9ce8](https://github.com/langflow-ai/langflow/tree/2cf9ce808afa6ad3f41aa5f6b47bdcb1927cde84)

### Which has more GitHub stars, OpenBot or langflow?

langflow, with 156,550 stars; OpenBot has 11,461.

The proof: [langflow-ai/langflow on GitHub](https://github.com/langflow-ai/langflow)

### Which has more tests, OpenBot or langflow?

langflow, with 3,123 test files; OpenBot has 1,467.

The proof: [langflow-ai/langflow's code at commit 2cf9ce8](https://github.com/langflow-ai/langflow/tree/2cf9ce808afa6ad3f41aa5f6b47bdcb1927cde84)

### Which was updated more recently, OpenBot or langflow?

Both got their last push on November 12, 2026.

The proof: [CopilotKit/OpenBot's commits on GitHub](https://github.com/CopilotKit/OpenBot/commits)

### Which has more commits signed by AI, OpenBot or langflow?

OpenBot: an AI signed 9.1% of its commits, with Claude Code; in langflow, 1.5%.

The proof: [the commits each tool signed in CopilotKit/OpenBot](https://seerepo.com/r/CopilotKit/OpenBot/ai)

## Sources

- CopilotKit/OpenBot: Read on November 12, 2026, at commit 4a14b3a (https://github.com/CopilotKit/OpenBot/tree/4a14b3ac605b966ad74e200194714d15e4613243)
- langflow-ai/langflow: Read on November 12, 2026, at commit 2cf9ce8 (https://github.com/langflow-ai/langflow/tree/2cf9ce808afa6ad3f41aa5f6b47bdcb1927cde84)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.