Google Agent Development Kit vs Medley: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of Google Agent Development Kit and Medley — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
Google Agent Development Kit
Open-source, code-first toolkit for building, orchestrating, and deploying modular multi-agent systems across models and environments.
Key features
- Code-First Tooling: Provides Python and Java SDKs that let developers define agent behavior, tools, tests, and orchestration directly in code for robust versioning and debugging.
- Model-Agnostic Connectors: Optimized for Google Gemini but supports other LLMs (e.g., OpenAI, Anthropic, Meta) and local runtimes via adapters like LiteLLM, enabling flexible model selection.
- Built-in Orchestration & Multi-Agent Workflows: Native primitives for composing, coordinating, and scaling multi-agent workflows with session management and execution control.
- Context & Memory Management: Integrated context tracking and session memory to manage multi-turn conversations, long-running sessions, and state between agents.
- Tool Integration System: Simple mechanism to register arbitrary Python functions (API calls, data fetches, computations) as agent capabilities so agents can access external data and services.
- Developer Web UI (ADK Web): An integrated web-based developer interface for building, testing, debugging, and inspecting agents and workflows during development.
- Deployment Flexibility: Designed to deploy anywhere—from local machines to cloud environments—with compatibility for Google Cloud services and third-party deployment targets.
- Samples, Templates & Community Catalog: Official examples, sample agents, and a community-curated collection of production-ready agents and templates to accelerate development and learning.
- Code-first SDKs for Python and Java to define agent logic, tools, and orchestration in code
- Model-agnostic runtime: optimized for Google Gemini but supports other LLMs (OpenAI, Anthropic, Meta) via adapters like LiteLLM
- ADK Web: built-in developer web UI for development, inspection, debugging, and running agents
- Tool integration: plug any Python/Java function, external API call, OpenAPI spec, or existing tool as agent capabilities
- Multi-agent orchestration: compose and coordinate multiple specialized agents into workflows and hierarchies
- Context & memory management: built-in session memory, multi-turn conversation handling, and context tracking
- Deployment-agnostic: designed to run locally, on-prem, or integrated with Google Cloud services
- Rich samples and community-curated agents and templates for rapid prototyping and production-ready patterns
- Testability and versioning: encourages software-development practices (unit tests, version control) for agent behavior
- Extensible tool ecosystem and compatibility with existing frameworks and libraries
Best for
- Content Assistant: Build a terminal or web-based content-generation assistant that combines search, document retrieval, and LLM generation using ADK's tool integration and memory features.
- Automated Business Workflows: Orchestrate multi-agent workflows to automate multi-step business processes (e.g., data gathering, analysis, report generation) with stateful sessions and tool calls.
- Research & Experimentation: Rapidly prototype and compare agent behaviors across different LLM backends (Gemini, OpenAI, Anthropic) using ADK's model-agnostic connectors.
- Enterprise Service Integration: Create agents tightly integrated with Google Cloud services or internal APIs using the code-first Java and Python toolkits for production deployment.
- Education & Tutorials: Use official samples, tutorials, and the ADK Web UI to teach agent development, demonstrate multi-agent architectures, and run hands-on workshops or hackathons.
- Multi-Agent Coordination: Implement coordinator agents that delegate tasks to specialized worker agents and manage orchestration, retries, and aggregation of results.
- Debugging & Testing Pipelines: Define tests and evaluation harnesses in code to validate agent behavior, reproduce issues, and iterate quickly with the built-in developer UI.
- Interactive conversational assistants with long-running session memory and multi-turn context
- Composed multi-agent workflows for business process automation and orchestration
- Production-grade agent deployments integrated with Google Cloud services
- Rapid prototyping and developer debugging via ADK Web developer UI
- Research and experimentation with different LLMs and orchestration strategies
- Building domain-specific or specialized agents using pre-built templates and community examples
Medley
Medley
Claude Code plugin that decomposes prompts into coordinated multi-agent plans and visualizes the plan at a shareable URL.
Key features
- Slash-Command Integration: Activates directly inside Claude Code via the /mission command to produce a plan without leaving the chat interface.
- Prompt Decomposition: Breaks a single user prompt into discrete subtasks with clear dependencies to turn vague requests into actionable steps.
- Multi-Agent Coordination: Generates a coordinated plan that assigns roles or agent responsibilities and sequences work across multiple agents to tackle complex tasks.
- Plan Visualization URL: Renders the produced plan structure at a shareable URL so users can inspect, review, and share the full task graph and execution plan.
- Task Assignment & Sequencing: Determines ordering and handoffs between subtasks so parallel and dependent work is organized for execution by different agents.
- Shareable Workflow Export: Enables distribution of the decomposed plan via link for collaboration, review, or external execution tracking.
- Decomposes a single prompt into a coordinated multi-agent plan
- Invoked within Claude Code via the /mission command
- Generates a structured plan view accessible at a shareable URL
- Orchestrates multiple agents/subtasks rather than relying on a single model
- Focus on readable plan structure for inspection and collaboration
Best for
- Complex Project Breakdown: Converting a high-level product or research brief into a multi-step plan with assigned agent roles and dependencies for coordinated execution.
- Multi-step Code Development: Decomposing a feature request into design, implementation, testing, and deployment tasks that can be executed or reviewed by specialized agents.
- Data Analysis Pipelines: Breaking down an analysis prompt into data-cleaning, transformation, modeling, and visualization subtasks that are assigned and sequenced.
- Content Creation Workflows: Orchestrating ideation, drafting, editing, fact-checking, and formatting steps across different agents to produce polished content.
- Collaborative Review & Handoff: Sharing the generated plan URL with teammates or stakeholders to review responsibilities, timelines, and handoffs before execution.
- Experiment Orchestration: Designing and coordinating multi-step experiments or research tasks where different agents perform measurements, aggregation, and interpretation.
- Breaking complex prompts into executable subtasks for multi-agent workflows
- Orchestrating LLM agents to collaborate on a single objective
- Sharing and reviewing decomposition and task assignments via a URL
- Improving reliability and coverage by distributing work across multiple agents
- Prompt engineering for complex, multi-step automation tasks