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Dify

AIアプリを画面上で組み立てるツール。社内文書を参照させる仕組みも最初から入っている

公式ソース公開型
スター
154k
フォーク
24.3k
オープンIssue
972
最終コミット
2026年8月28日

Difyとは

AIへの指示文の管理、社内文書からの検索、AIに使わせる道具、運用画面までを一式で備えており、初期構築さえ済めばエンジニア以外でも回せます。ライセンスはApache 2.0に、マルチテナント提供とブランディングに関する追加条件を加えたもので、OSSではなくソース公開型にあたります。この上に製品を構築する前に必ず確認してください。

Difyで何ができますか?

  • Docker Composeで立ち上げる — docker/ディレクトリでcp .env.example .envとdocker compose up -dを実行すれば2コア・4GiBの環境で起動し、http://localhost/installから初期設定に進めます。
  • 画面上で処理をつなぐ — 画面上でAIへの問い合わせ、文書の検索、道具の利用を1本の流れとしてつなぎ、その場で試せます。同じ指示文を複数のAIに投げて応答を見比べる画面も用意されています。
  • エージェントにツールを持たせる — Function CallingまたはReActを基にエージェントを定義し、Google Search、DALL·E、Stable Diffusion、WolframAlphaなど50以上の内蔵ツールや自作ツールを割り当てられます。
  • 自社バックエンドから呼び出す — 作成したアプリはいずれも外部から呼び出せる形で公開され、実行の記録はOpik、Langfuse、Arize Phoenixへ送って監視できます。
  • 自ホスト構成を本番仕様に寄せる — 既定値から外れた設定はdocker/.envに書き、テーマ別に分かれた任意項目はdocker/envs/以下にあります。高可用構成についてはREADMEの案内がコミュニティ提供のHelmチャートやKubernetes用YAML、Terraform、AWS CDKといった外部リポジトリに委ねられています。

Difyを選ぶ前に

  • エージェントには2つの形式があり、新しいほうは標準のDocker構成では動きません。編集画面には出るのに、必要な別サービスが構成に含まれていないため起動に失敗します。従来の形式なら影響を受けません。報告#39161

スター推移

8月15日〜8月28日 · +1.2k

153k154k

よくある質問

Difyは商用利用できますか?

DifyのライセンスはDify Open Source Licenseです。OSI承認のオープンソースではなくソース公開型のため、商用利用の前に条項の確認が必要です。

Difyはどの形で使えますか?

Difyはセルフホスト・マネージドクラウドの形で利用できます。

ドキュメント

langgenius/dify のREADMEより転載(Dify Open Source License)。 原文を読む ↗

cover-v5-optimized

Dify is an open-source LLM app development platform. Its intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features (including Opik, Langfuse, and Arize Phoenix) and more, letting you quickly go from prototype to production. Here’s a list of the core features:

Quick start

Before installing Dify, make sure your machine meets the following minimum system requirements:

  • CPU >= 2 Core
  • RAM >= 4 GiB

The easiest way to start the Dify server is through Docker Compose. Before running Dify with the following commands, make sure that Docker and Docker Compose v2.24.0 or later are installed on your machine:

cd dify
cd docker
cp .env.example .env
docker compose up -d

After running, you can access the Dify dashboard in your browser at http://localhost/install and start the initialization process.

Seeking help

Please refer to our FAQ if you encounter problems setting up Dify. Reach out to the community and us if you are still having issues.

If you’d like to contribute to Dify or do additional development, refer to our guide to deploying from source code

Key features

1. Workflow: Build and test powerful AI workflows on a visual canvas, leveraging all the following features and beyond.

2. Comprehensive model support: Seamless integration with hundreds of proprietary / open-source LLMs from dozens of inference providers and self-hosted solutions, covering GPT, Mistral, Llama3, and any OpenAI API-compatible models. A full list of supported model providers can be found here.

providers-v5

3. Prompt IDE: Intuitive interface for crafting prompts, comparing model performance, and adding additional features such as text-to-speech to a chat-based app.

4. RAG Pipeline: Extensive RAG capabilities that cover everything from document ingestion to retrieval, with out-of-box support for text extraction from PDFs, PPTs, and other common document formats.

5. Agent capabilities: You can define agents based on LLM Function Calling or ReAct, and add pre-built or custom tools for the agent. Dify provides 50+ built-in tools for AI agents, such as Google Search, DALL·E, Stable Diffusion and WolframAlpha.

6. LLMOps: Monitor and analyze application logs and performance over time. You could continuously improve prompts, datasets, and models based on production data and annotations.

7. Backend-as-a-Service: All of Dify’s offerings come with corresponding APIs, so you could effortlessly integrate Dify into your own business logic.

Using Dify

  • Cloud We host a Dify Cloud service for anyone to try with zero setup. It provides all the capabilities of the self-deployed version, and includes 200 free GPT-4 calls in the sandbox plan. If you run into issues with Dify Cloud, contact our Cloud support team.

  • Self-hosting Dify Community Edition Quickly get Dify running in your environment with this starter guide. Use our documentation for further references and more in-depth instructions.

  • Dify for enterprise / organizations We provide additional enterprise-centric features. Send us an email to discuss your enterprise needs.

Staying ahead

Star Dify on GitHub and be instantly notified of new releases.

star-us

Advanced Setup

Custom configurations

If you need to customize the configuration, edit docker/.env. The essential startup defaults live in docker/.env.example, and optional advanced variables are split under docker/envs/ by theme. After making any changes, re-run docker compose up -d from the docker directory. You can find the full list of available environment variables here.

Metrics Monitoring with Grafana

Import the dashboard to Grafana, using Dify’s PostgreSQL database as data source, to monitor metrics in granularity of apps, tenants, messages, and more.

Deployment with Kubernetes

If you’d like to configure a highly available setup, there are community-contributed Helm Charts and YAML files which allow Dify to be deployed on Kubernetes.

Using Terraform for Deployment

Deploy Dify to Cloud Platform with a single click using terraform

Azure Global
Google Cloud

Using AWS CDK for Deployment

Deploy Dify to AWS with CDK

AWS

Using Alibaba Cloud Computing Nest

Quickly deploy Dify to Alibaba cloud with Alibaba Cloud Computing Nest

Using Alibaba Cloud Data Management

One-Click deploy Dify to Alibaba Cloud with Alibaba Cloud Data Management

Deploy to AKS with Azure Devops Pipeline

One-Click deploy Dify to AKS with Azure Devops Pipeline Helm Chart by @LeoZhang

Community & contact

  • GitHub Discussion. Best for: sharing feedback and asking questions.
  • GitHub Issues. Best for: bugs you encounter using Dify.AI, and feature proposals. See our Contribution Guide.
  • Discord. Best for: sharing your applications and hanging out with the community.
  • X(Twitter). Best for: sharing your applications and hanging out with the community.

Contributors

Security disclosure

To protect your privacy, please avoid posting security issues on GitHub. Instead, report issues to security@dify.ai, and our team will respond with detailed answer.