Google ADK: Pricing, Features & Alternatives
The Agent Development Kit (ADK) is Google's open-source framework for building, evaluating, and deploying AI agents. It is optimized for Gemini but model-agnostic through LiteLLM, with strong multi-agent collaboration and tight integration with Vertex AI, Cloud Run, and Cloud Trace that removes weeks of infrastructure plumbing for GCP teams. Free and open-source, with managed deployment on Vertex AI Agent Engine.
Category
Agent Framework
Pricing
Free tier available
Free tier
Yes
Best for
Agent Framework — ai, llm
Google ADK Pricing Plans (2026)
| Plan | Price |
|---|---|
| Open SourcePopular | $0 (open source) |
| Vertex AI Agent Engine | Usage-based (GCP) |
Pricing summary: Free. Always confirm current pricing on the official site.
Key Google ADK Features
- Multi-agent orchestration
- Gemini-optimized, model-agnostic (LiteLLM)
- Built-in evaluation
- Tooling & code execution
- Python & Java
Pros
- +Deep GCP / Vertex AI integration
- +Strong multi-agent support
- +Model-agnostic via LiteLLM
- +Backed by Google
Cons
- −Best value tied to Google Cloud
- −Younger ecosystem than LangChain
Best Google ADK Alternatives
Compare allGoogle ADK Compared
Google ADK FAQ
What is Google ADK used for?⌄
Google ADK is a agent framework tool. Google's open-source Agent Development Kit — multi-agent systems optimized for Gemini and Vertex AI, model-agnostic via LiteLLM.
Is Google ADK free?⌄
Yes — Google ADK has a free tier you can start with, and paid plans for more usage and features.
How much does Google ADK cost?⌄
Google ADK is free to use, with usage-based pricing on some features.
What are the best Google ADK alternatives?⌄
Popular Google ADK alternatives include Mastra, Pydantic AI, Vercel AI SDK, LangChain, LangGraph. Compare pricing and features on our Google ADK alternatives page.
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