AI Infrastructure & MLOps Free

Agent Development Kit

Open-source framework for building, evaluating, and deploying production AI agents

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PricingFree
Starting price$0
Free planYes
Free trialYes
APINo
Open sourceYes
DeploymentHybrid
Last verifiedJuly 29, 2026
Overview

Tool overview

Agent Development Kit is listed under AI Infrastructure & MLOps AI tools.

Summary

What is Agent Development Kit?

Google Agent Development Kit is an Apache-2.0, code-first framework for creating, evaluating, debugging, and deploying AI agents. Official implementations support Python, TypeScript, Go, Java, and Kotlin, with tools for workflows, sessions, evaluation, MCP, A2A, local development, containers, Cloud Run, GKE, and Google Agent Runtime.

Best fit

Best for

Engineering teams building and deploying code-first production agent applications

Audience

Who is it for?

AI application developersPlatform engineersCloud architectsAgent evaluation teams
Recommendation

Decision note

Accepted for Preview after independent V411 official-source research. Apply only after failures = 0, warnings = 0, unmapped = 0, and review of controlled fields, Arabic v2 parity, outreach, affiliate status, logo QA, rebrand handling, and explicit clears.

Capabilities

Key features

Code-first agents and graph workflows

Evaluation, sessions, tools, MCP, and A2A

Python, TypeScript, Go, Java, and Kotlin

Local, container, Cloud Run, GKE, and Agent Runtime

Workflows

Use cases

Building production AI agents

Orchestrating multi-agent workflows

Evaluating agent behavior

Deploying agents across cloud environments

Strengths

Pros

  • Free under Apache-2.0
  • Multiple official language implementations
  • Broad documented deployment choices
Considerations

Cons

  • Requires software and cloud expertise
  • Cloud and model costs are separate
  • Framework updates can introduce breaking changes
Considerations

Limitations

ADK supplies framework components, not guaranteed safe agents. Teams must evaluate prompts, tools, permissions, session storage, data handling, model behavior, and deployment security

pin versions

monitor dependencies

and keep humans responsible for consequential actions.

Cost

Pricing details

Pricing modelFree
Starting price$0
Free planYes
Free trialYes
Pricing context

Billing options

Free open-source software

Pricing context

Pricing note

ADK is free open-source software under Apache-2.0. There is no hosted ADK subscription, free trial, or paid plan. Costs arise from selected model providers, Google Cloud services, containers, storage, networking, logging, and the infrastructure used to deploy applications.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

Google Gemini

Vertex AI

MCP

A2A

Cloud Run

GKE

Agent Runtime

Specs

Technical details

PlatformsWeb
Multilingual supportUnknown
Login requiredNo
Open sourceYes
LicenseApache-2.0
DeploymentHybrid
CompanyGoogle
Launch year2025
Current versionPython 2.5.0
Models / versionsGemini models Vertex AI models Third-party model connectors Open models
Editions / plansADK Python ADK TypeScript ADK Go ADK Java ADK Web
Data confidenceHigh
Last verifiedJuly 29, 2026
Documentation → Source code → Release notes → Data source →
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Answers

Frequently asked questions

Google Agent Development Kit is an Apache-2.0, code-first framework for creating, evaluating, debugging, and deploying AI agents. Official implementations support Python, TypeScript, Go, Java, and Kotlin, with tools for workflows, sessions, evaluation, MCP, A2A, local development, containers, Cloud Run, GKE, and Google…
Engineering teams building and deploying code-first production agent applications
The listed pricing model for Agent Development Kit is Free. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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