AgentIndex icon
AgentIndex
CrewAI logo
CrewAI
★ 60.2k
vs
adk-java logo
adk-java
★ 1.8k

CrewAI vs adk-java

CrewAI: CrewAI is a lean, lightning-fast Python framework designed for multi-agent automation, independent of other agent frameworks. It empowers developers to build autonomous AI agents with both high-level simplicity and precise low-level control for various scenarios.; adk-java: The Agent Development Kit (ADK) for Java is an open-source, code-first toolkit designed for building, evaluating, and deploying sophisticated AI agents. It enables developers to define agent behavior, orchestration, and tool use directly in Java code for fine-grained control and robust integration with Google Cloud services.

01

TL;DR

CrewAI logo
CrewAIMulti-Agent · ★ 60.2k
When to choose:
  • You want a Python framework that combines autonomous role-based agent teams (Crews) with deterministic event-driven workflows (Flows).
  • You need built-in checkpointing, structured outputs, human-in-the-loop input, and MCP/A2A support under an MIT license.
When to skip:
  • Your stack is .NET or multi-language; Microsoft Agent Framework or Google ADK cover non-Python runtimes.
  • You want a lightweight, single-agent loop focused purely on strict Pydantic type validation; Pydantic AI is simpler for that.
Read CrewAI full review →
adk-java logo
adk-javaMulti-Agent · ★ 1.8k

Building advanced AI agents with fine-grained control over their behavior and orchestration.

Read adk-java full review →
02

Side-by-Side Comparison

Field
CrewAI logoCrewAI
adk-java logoadk-java
Category
Multi-Agent
Multi-Agent
Stars
★ 60.2k
★ 1.8k
License
MIT
Apache-2.0
Install Command
uv tool install crewai
<dependency> <groupId>com.google.adk</groupId> <artifactId>google-adk</artifactId> <version>0.3.0</version> </dependency>
Updated
1d ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
Multi-Agent Systems, AI Automation, Python
Java, AI Agents, Agent Development
03

Features

CrewAI logoCrewAI
01Standalone & Lean
02Flexible & Precise
03Seamless Integration
04Deep Customization
05Reliable Performance
adk-java logoadk-java
01Rich Tool Ecosystem for diverse agent capabilities and Google ecosystem integration
02Code-First Development for defining agent logic, tools, and orchestration in Java
03Modular Multi-Agent Systems for designing scalable applications with specialized agents
04Built-in Development UI for testing, evaluating, debugging, and showcasing agents
05Integration with A2A protocol for remote agent-to-agent communication
04

Use Cases

CrewAI logoCrewAI
↳Write Job Descriptions
↳Trip Planner
↳Stock Analysis
adk-java logoadk-java
↳Building advanced AI agents with fine-grained control over their behavior and orchestration.
↳Integrating AI agents tightly with existing services, especially within Google Cloud.
↳Designing and deploying scalable, modular multi-agent systems for complex tasks.
05

Best For

CrewAI logoCrewAI
Most PopularEssentialTrending
adk-java logoadk-java
EssentialTrending
FAQ

FAQ

What is the difference between CrewAI and adk-java?
Both CrewAI and adk-java are in the Multi-Agent category. CrewAI has 60.2k stars, while adk-java has 1.8k stars.
Which is better, CrewAI or adk-java?
The best choice depends on your use case. Choose CrewAI if Write Job Descriptions, and adk-java if Building advanced AI agents with fine-grained control over their behavior and orchestration..
Is CrewAI free or open source?
Yes, CrewAI is open source on GitHub (MIT).
Is adk-java free or open source?
Yes, adk-java is open source on GitHub (Apache-2.0).
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