effect vs dify

effect and dify share 6 technologies: React, Redis, SQLite, MySQL, Ajv, and Zod. effect is written in TypeScript and dify in Python.

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What they share and what sets them apart

Effect-TS

effect

Build production-ready applications in TypeScript

TypeScript17.5kRead on November 6, 2026, at commit 9428e17What is effect built with?

Only in effect

In common

langgenius

dify

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

Python160.4kRead on November 4, 2026, at commit 1ac9aa0What is dify built with?

Only in dify

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
effect1,052,986 lines written1,112 code files
dify2,369,007 lines written6,557 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.
effect1.8% of its commits signed by AIWith Claude Code and Cursor
dify5.1% of its commits signed by AIWith GitHub Copilot, Claude Code, Gemini CLI, Codex, Jules, Devin, Cursor, and Warp
ActivityFrom GitHub and its history, on the day SeeRepo read it.
effectLast push November 6, 202612,269 commits17,497 stars
difyLast push November 4, 202614,820 commits160,382 stars
TestsThe files that test the code, and the share of code files a test imports.
effect885 test files6.3% of its code files have a test that imports them
dify4,748 test files67.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, effect or dify?
dify, with 2,369,007 lines written; effect has 1,052,986.

The proof: langgenius/dify's code at commit 1ac9aa0

Which has more GitHub stars, effect or dify?
dify, with 160,382 stars; effect has 17,497.

The proof: langgenius/dify on GitHub

Which has more tests, effect or dify?
dify, with 4,748 test files; effect has 885.

The proof: langgenius/dify's code at commit 1ac9aa0

Which was updated more recently, effect or dify?
effect: its last push was on November 6, 2026, and dify's on November 4, 2026.

The proof: Effect-TS/effect's commits on GitHub

Which has more commits signed by AI, effect or dify?
dify: an AI signed 5.1% of its commits, with GitHub Copilot, Claude Code, Gemini CLI, Codex, Jules, Devin, Cursor, and Warp; in effect, 1.8%.

The proof: the commits each tool signed in langgenius/dify

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