Agent Development Kit (ADK) vs. FastAgency Comparison


Agent Development Kit (ADK) Google	FastAgency	+	+
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About The Agent Development Kit (ADK) is a flexible, open-source framework for building and deploying AI agents. It is tightly integrated with Google’s ecosystem, including Gemini models, and supports popular large language models (LLMs). ADK simplifies the development of both simple and complex AI agents, providing a structured environment for building dynamic workflows and multi-agent systems. With built-in tools for orchestration, deployment, and evaluation, ADK helps developers create scalable, modular AI solutions that can be easily deployed on platforms like Gemini Enterprise Agent Platform or Cloud Run.	About FastAgency is an open source framework designed to accelerate the deployment of multi-agent AI workflows from prototype to production. It provides a unified programming interface compatible with various agentic AI frameworks, enabling developers to deploy agentic workflows in both development and production settings. With features like multi-runtime support, seamless external API integration, and a command-line interface for orchestration, FastAgency simplifies the creation of scalable, production-ready architectures for serving AI workflows. Currently, it supports the AutoGen framework, with plans to extend support to CrewAI, Swarm, and LangGraph in the future. Developers can easily switch between frameworks, choosing the best one for their project's specific needs. FastAgency also features a common programming interface that enables the development of core workflows once and reuse them across various user interfaces without rewriting code.
Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience The Agent Development Kit (ADK) is designed for AI developers, researchers, and organizations looking to build, deploy, and manage AI agents using Google’s ecosystem, Gemini models, and a wide array of third-party integrations	Audience AI researchers, software developers, and machine learning engineers, seeking a solution to streamline the deployment of multi-agent AI workflows
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Open source Free Version Supported Free Trial Not Supported	Pricing Free Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 4.0 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros ADK feels like a serious framework for people who want to build real agents, not just quick demos. It gives developers a structured way to define agents, connect tools, coordinate multi-agent workflows, and move from local testing toward production. I like that it is open source and supports multiple languages. Python is great for AI work, but TypeScript, Go, Java, and Kotlin support make ADK more realistic for teams building inside existing engineering stacks. The production focus is the biggest advantage. ADK is built around debugging, evaluation, deployment, and reliability, which are exactly the things teams need once an agent goes beyond a prototype. Cons ADK may be more framework than you need for a simple chatbot or one-off automation. If the use case is small, a lighter tool may be faster to set up.
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Google Founded: 1998 United States google.github.io/adk-docs/	Company Information FastAgency Founded: 2019 Croatia fastagency.ai/
Alternatives Agno	Alternatives CrewAI
Vercel AI SDK Vercel	Agency
AutoGen Microsoft	Flowise Flowise AI
Flowise Flowise AI	LangChain
CrewAI View All	Mastra AI View All
Categories Agentic AI Supported Agentic Orchestration Supported AI Agent Builders Supported AI Agent Frameworks Supported AI Orchestration Supported	Categories Agentic AI Supported Agentic Process Automation Supported AI Agent Builders Supported AI Agents Supported AI Orchestration Supported

Integrations AG-UI Supported Agent Control Supported Agent2Agent (A2A) Supported Agentspan Supported CrewAI Not Supported Gemini Supported Gemini Enterprise Supported Gemini Enterprise Agent Platform Supported Google Cloud Run Supported Hindsight Supported LangGraph Not Supported OpenUI Supported Openlayer Supported Prefactor Supported Simaril Supported Swarm Not Supported asqav Supported Show More Integrations View All 14 Integrations	Integrations AG-UI Not Supported Agent Control Not Supported Agent2Agent (A2A) Not Supported Agentspan Not Supported CrewAI Supported Gemini Not Supported Gemini Enterprise Not Supported Gemini Enterprise Agent Platform Not Supported Google Cloud Run Not Supported Hindsight Not Supported LangGraph Supported OpenUI Not Supported Openlayer Not Supported Prefactor Not Supported Simaril Not Supported Swarm Supported asqav Not Supported Show More Integrations View All 3 Integrations
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