OpenMontage vs langflow

OpenMontage and langflow share 8 technologies: FastAPI, uvicorn, React, Google, OpenAI, pillow, jsonschema, and Pydantic. Both are written in Python.

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What they share and what sets them apart

calesthio

OpenMontage

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

Python76.5kRead on November 4, 2026, at commit d21f5d4What is OpenMontage built with?

Only in OpenMontage

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

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
OpenMontage174,045 lines written73 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.
OpenMontage21% of its commits signed by AIWith Claude Code and Codex
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.
OpenMontageLast push November 3, 2026352 commits76,502 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.
OpenMontage156 test files26% 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, OpenMontage or langflow?
langflow, with 1,446,517 lines written; OpenMontage has 174,045.

The proof: langflow-ai/langflow's code at commit 60999cc

Which has more GitHub stars, OpenMontage or langflow?
langflow, with 156,316 stars; OpenMontage has 76,502.

The proof: langflow-ai/langflow on GitHub

Which has more tests, OpenMontage or langflow?
langflow, with 3,083 test files; OpenMontage has 156.

The proof: langflow-ai/langflow's code at commit 60999cc

Which was updated more recently, OpenMontage or langflow?
langflow: its last push was on November 4, 2026, and OpenMontage's on November 3, 2026.

The proof: langflow-ai/langflow's commits on GitHub

Which has more commits signed by AI, OpenMontage or langflow?
OpenMontage: an AI signed 21% of its commits, with Claude Code and Codex; in langflow, 1.5%.

The proof: the commits each tool signed in calesthio/OpenMontage

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