Source: https://seerepo.com/compare/dagster-io/dagster/vs/langflow-ai/langflow Markdown source: https://seerepo.com/compare/dagster-io/dagster/vs/langflow-ai/langflow.md Description: dagster and langflow share 21 technologies: React, pyarrow, Google, FastAPI, AIOHTTP, uvicorn, react-router-dom, Rich, SQLAlchemy, pyjwt, OpenAI, Pydantic, jsonschema, validators, boto3, psutil, react-markdown, remark-gfm, Radix UI, react-day-picker, and rehype-sanitize. Both are written in Python. # dagster vs langflow dagster and langflow share 21 technologies: React, pyarrow, Google, FastAPI, AIOHTTP, uvicorn, react-router-dom, Rich, SQLAlchemy, pyjwt, OpenAI, Pydantic, jsonschema, validators, boto3, psutil, react-markdown, remark-gfm, Radix UI, react-day-picker, and rehype-sanitize. Both are written in Python. - [dagster-io/dagster](https://seerepo.com/r/dagster-io/dagster): An orchestration platform for the development, production, and observation of data assets. - [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: React, pyarrow, Google, FastAPI, AIOHTTP, uvicorn, react-router-dom, Rich, SQLAlchemy, pyjwt, OpenAI, Pydantic, jsonschema, validators, boto3, psutil, react-markdown, remark-gfm, Radix UI, react-day-picker, rehype-sanitize - Only in dagster: azure-storage-file-datalake, db-dtypes, dbt-core, mysql-connector-python, psycopg2-binary, snowflake-sqlalchemy, dlt, azure-storage-blob, Celery, DuckDB, clickhouse-driver, deltalake, MySQL, Google Cloud Storage, graphene, pyspark, starlette, Next.js, React Router, lru-cache, bokeh, questionary, alembic, sqlglot, flask-session, azure-identity, google-auth, oauth2client, deepeval, MLflow, markdown, wordcloud, jinja2, cattrs, kubernetes, docker, Prefect, structlog, azure-core, coloredlogs, Datadog, prometheus-client, validator, highlight.js, remark, codemirror, TanStack, @blueprintjs/core, @react-hook/resize-observer, sonner, yaml, chartjs-adapter-date-fns, Chart.js, dagre, react-chartjs-2, visx, @rjsf/core, ansi-to-react, chartjs-plugin-zoom, rehype-highlight, remark-breaks, rjsf - Only in langflow: oracledb, Redis, Vite, cryptography, bcrypt, google-auth-oauthlib, firecrawl-py, LangChain, langchain-classic, MCP, exa-py, pillow, defusedxml, pypdf, markitdown, msgspec, loguru, Tailwind CSS, class-variance-authority, tailwind-merge, xyflow, ag-grid-community, Framer, react-hotkeys-hook, use-stick-to-bottom, react-syntax-highlighter, ace-builds, Headless UI, cmdk, elkjs, react-error-boundary, react-sortablejs, reactflow, Lucide, react-icons, @radix-ui/react-icons, dompurify, rehype-raw ## Side by side | | dagster | langflow | |---|---|---| | Size | 1,373,416 lines written, 3,347 code files | 1,446,517 lines written, 3,937 code files | | Who writes it | 1.4% of its commits signed by AI. With Claude Code, Gemini CLI, and Aider | 1.5% of its commits signed by AI. With Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp | | Activity | Last push November 7, 2026, 28,090 commits, 16,376 stars | Last push November 4, 2026, 17,600 commits, 156,316 stars | | Tests | 2,682 test files. 15.3% of its code files have a test that imports them | 3,083 test files. 35.1% 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, dagster or langflow? langflow, with 1,446,517 lines written; dagster has 1,373,416. The proof: [langflow-ai/langflow's code at commit 60999cc](https://github.com/langflow-ai/langflow/tree/60999cc9a7350e44dde3ef641baae864e10861f0) ### Which has more GitHub stars, dagster or langflow? langflow, with 156,316 stars; dagster has 16,376. The proof: [langflow-ai/langflow on GitHub](https://github.com/langflow-ai/langflow) ### Which has more tests, dagster or langflow? langflow, with 3,083 test files; dagster has 2,682. The proof: [langflow-ai/langflow's code at commit 60999cc](https://github.com/langflow-ai/langflow/tree/60999cc9a7350e44dde3ef641baae864e10861f0) ### Which was updated more recently, dagster or langflow? dagster: its last push was on November 7, 2026, and langflow's on November 4, 2026. The proof: [dagster-io/dagster's commits on GitHub](https://github.com/dagster-io/dagster/commits) ### Which has more commits signed by AI, dagster or langflow? langflow: an AI signed 1.5% of its commits, with Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp; in dagster, 1.4%. The proof: [the commits each tool signed in langflow-ai/langflow](https://seerepo.com/r/langflow-ai/langflow/ai) ## Sources - dagster-io/dagster: Read on November 7, 2026, at commit 55208da (https://github.com/dagster-io/dagster/tree/55208da7a9dc8fe3cea511d39508b97f73ab8769) - langflow-ai/langflow: Read on November 4, 2026, at commit 60999cc (https://github.com/langflow-ai/langflow/tree/60999cc9a7350e44dde3ef641baae864e10861f0) ## 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.