---
title: "Google ADK Pricing, Features & Alternatives (2026)"
description: "Google ADK review: Agent Framework tool — Free tier, plans, pros & cons, and the best Google ADK alternatives compared for startups in 2026."
source: https://appstackbuilder.com/tools/google-adk
retrieved: 2026-09-12
---

![Google ADK logo](https://www.google.com/s2/favicons?domain=google.github.io&sz=128)

[Agent Framework](https://appstackbuilder.com/categories/agent-framework)Free tier

# 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

[Visit Google ADK official site](https://google.github.io/adk-docs/)

## Google ADK Pricing Plans (2026)

| Plan                   | Price             | Highlights                                                                                   |
| ---------------------- | ----------------- | -------------------------------------------------------------------------------------------- |
| Open SourcePopular     | $0 (open source)  | Multi-agent orchestration · Gemini-optimized, model-agnostic (LiteLLM) · Built-in evaluation |
| Vertex AI Agent Engine | Usage-based (GCP) | Managed agent deployment · Vertex AI integration · Cloud Run & Cloud Trace                   |

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 all ](https://appstackbuilder.com/tool-alternatives/google-adk)

[![Mastra logo](https://www.google.com/s2/favicons?domain=mastra.ai&sz=128)MastraFree](https://appstackbuilder.com/tools/mastra)[![Pydantic AI logo](https://www.google.com/s2/favicons?domain=ai.pydantic.dev&sz=128)Pydantic AIFree](https://appstackbuilder.com/tools/pydantic-ai)[![Vercel AI SDK logo](https://www.google.com/s2/favicons?domain=sdk.vercel.ai&sz=128)Vercel AI SDKFree](https://appstackbuilder.com/tools/vercel-ai-sdk)[![LangChain logo](https://www.google.com/s2/favicons?domain=langchain.com&sz=128)LangChainFree · paid from $39/mo](https://appstackbuilder.com/tools/langchain)[![LangGraph logo](https://www.google.com/s2/favicons?domain=langchain.com&sz=128)LangGraphFree](https://appstackbuilder.com/tools/langgraph)[![LlamaIndex logo](https://www.google.com/s2/favicons?domain=llamaindex.ai&sz=128)LlamaIndexFree](https://appstackbuilder.com/tools/llamaindex)

## Google ADK Compared

[Google ADK vs Mastra](https://appstackbuilder.com/compare/google-adk-vs-mastra)[Google ADK vs Pydantic AI](https://appstackbuilder.com/compare/google-adk-vs-pydantic-ai)[Google ADK vs Vercel AI SDK](https://appstackbuilder.com/compare/google-adk-vs-vercel-ai-sdk)[Google ADK vs LangChain](https://appstackbuilder.com/compare/google-adk-vs-langchain)[Google ADK vs LangGraph](https://appstackbuilder.com/compare/google-adk-vs-langgraph)[Google ADK vs LlamaIndex](https://appstackbuilder.com/compare/google-adk-vs-llamaindex)

## 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.

## Not sure if Google ADK fits your stack?

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