The landscape of Agentic AI frameworks exploded in 2024-2025, offering developers unprecedented choices for building intelligent, autonomous AI systems. This comprehensive guide examines the leading frameworks across three categories: open-source community projects, AI provider solutions, and cloud service provider offerings. Understanding these options is crucial for making informed architectural decisions in your AI agent development journey.

What Are Agentic AI Frameworks?

Agentic AI frameworks enable the creation of autonomous AI systems that can reason, plan, use tools, and interact with external systems to complete complex tasks. Unlike traditional single-purpose AI models, these frameworks allow for the development of systems where AI agents can make autonomous decisions, delegate tasks, and collaborate with other agents or humans.

Open Source Community Frameworks

LangChain

LangChain stands as one of the most established frameworks in the agentic AI space, providing a comprehensive platform for building LLM-powered applications. The framework offers extensive tool libraries and intuitive abstractions for creating AI agents with varying levels of autonomy.

Key Features:

• • Extensive off-the-shelf tool library with customization capabilities.
  • Multiple cognitive architectures including Plan-and-execute, Multi-agent, and ReAct patterns
  • Comprehensive debugging and observability through LangSmith
  • Support for human-in-the-loop interactions

GitHub Stars:

LangChain has garnered significant community support with substantial adoption across the developer community.

LangGraph

LangGraph emerges as a specialized low-level orchestration framework designed specifically for building agentic systems. Built on top of LangChain, it provides developers with granular control over agent workflows and state management.

Key Features:

• • Graph-based workflow representation for complex agent interactions
  • Built-in statefulness for seamless human-agent collaboration
  • Support for diverse control flows including single-agent, multi-agent, and hierarchical patterns
  • Native streaming support for real-time agent interactions

GitHub Stars:

LangGraph has achieved 14K GitHub stars with 2.3K forks, indicating strong developer adoption.

CrewAI

CrewAI distinguishes itself as a lean, lightning-fast Python framework built entirely from scratch, independent of LangChain or other agent frameworks. The platform emphasizes role-playing autonomous AI agents designed for collaborative intelligence.

Key Features:

• • Multi-agent architecture with specialized roles, backstories, and goals
  • Task-based workflow management with interdependent collaboration capabilities
  • Modular tool integration system for extended agent capabilities
  • Process layer governing agent coordination and task delegation

GitHub Stars:

CrewAI has achieved remarkable adoption with 29.4K stars on GitHub and is reportedly used by 60% of Fortune 500 companies.

Langroid

Langroid represents an intuitive Python framework created by ex-CMU and UW-Madison researchers, focusing on multi-agent programming paradigms. The framework emphasizes agents as first-class citizens with built-in conversation state and tool management.

Key Features:

• • Multi-agent architecture with task-based workflow delegation
  • Compatible with OpenAI LLMs and hundreds of providers via proxy libraries
  • Vector store integration with LanceDB, Qdrant, and Chroma for RAG applications
  • Pydantic-based tool and function calling for both OpenAI and custom LLMs

GitHub Stars:

Langroid has crossed 2K stars on GitHub, representing solid community adoption.

AI Provider Frameworks

Anthropic’s Model Context Protocol (MCP)

Anthropic’s Model Context Protocol represents a paradigm shift in AI-data integration, functioning as an open standard for connecting AI assistants to external data sources. MCP addresses the fundamental challenge of AI model isolation by providing a universal connector protocol.

Key Features:

• • Universal protocol for AI-data source integration, replacing fragmented custom implementations
  • Pre-built MCP servers for popular enterprise systems including Google Drive, Slack, GitHub, and Postgres
  • Standardized client-server architecture supporting multiple connection types
  • Security-focused design maintaining data within existing infrastructure

Adoption:

Early adopters include Block and Apollo, with development tools companies like Zed, Replit, Codeium, and Sourcegraph integrating MCP capabilities.

OpenAI Agentic Framework

OpenAI’s Agentic Framework takes a minimalist approach, designed as an advanced, lightweight platform for multi-agent AI development. The framework emphasizes simplicity while maintaining flexibility for complex agent interactions.

Key Features:

• • Multi-agent systems with dynamic task assignment and collaboration
  • Client-side operation without reliance on third-party hosting
  • Autonomous agent operation with independent task execution
  • Recent introduction of Responses API, Agents SDK, and built-in tools including web search, file search, and computer use

Recent Developments:

OpenAI has introduced comprehensive tools including the Agents SDK for workflow orchestration and computer use capabilities for direct software interface interaction.

Cloud Service Provider Frameworks

Google Agent Development Kit (ADK)

Google’s Agent Development Kit represents a comprehensive open-source framework designed to simplify end-to-end development of intelligent agent systems. ADK powers agents within Google products like Agentspace and the Google Customer Engagement Suite.

Key Features:

• • Flexible orchestration supporting both predictable pipelines and LLM-driven dynamic routing
  • Multi-agent architecture enabling modular and scalable applications
  • Rich tool ecosystem with pre-built tools, custom functions, and third-party library integration
  • Built-in evaluation system for systematic agent performance assessment

Language Support:

ADK offers both Python ADK (v1.0.0) and Java ADK (v0.1.0), extending capabilities across different development ecosystems.

Google A2A (Agent-to-Agent Protocol)

Google’s A2A protocol standardizes how AI agents communicate and collaborate with one another. The protocol enables agent discovery and coordination across tools, services, and enterprise systems.

Key Features:

• • Standardized agent discovery through public HTTP cards containing hosted information, version, and skills
  • Multiple client-server communication methods including Request/Response with Polling, SSE, and Push Notifications
  • Secure information exchange between autonomous agents
  • Integration capabilities across diverse tools and enterprise systems

AWS Strands Agents

AWS Strands Agents provides a model-driven toolkit for building and running AI agents with minimal code complexity. The framework embraces state-of-the-art model capabilities for planning, reasoning, and tool execution.

Key Features:

• • Model-driven approach requiring only prompt and tool definitions
  • Support for multiple model providers including Amazon Bedrock, Anthropic, Meta, and Ollama
  • Simplified agent development without complex workflow definitions
  • Production deployment across AWS services with streaming support

Industry Adoption:

Teams across AWS including Amazon Q Developer, AWS Glue, and VPC Reachability Analyzer use Strands in production, with contributions from Accenture, PwC, Meta, and Anthropic.

Azure Semantic Kernel

Microsoft’s Semantic Kernel serves as a model-agnostic SDK empowering developers to build, orchestrate, and deploy AI agents and multi-agent systems. The framework integrates cutting-edge LLM technology with conventional programming languages.

Key Features:

• • Cross-platform capabilities supporting C#, Java, and Python
  • Integration with Azure AI Search for enhanced vector search capabilities
  • Plugin system for embedding components and custom extension methods
  • Azure Active Directory integration for enhanced security

GitHub Stars:

Semantic Kernel has achieved 25K GitHub stars with significant community adoption since its March 2023 launch.

Microsoft AutoGen

Microsoft AutoGen operates as a framework for creating multi-agent AI applications capable of autonomous operation or human collaboration. The framework enables development of LLM applications using multiple conversational agents.

Key Features:

• • Multi-agent conversation framework with customizable interaction patterns
  • AutoGen Studio providing web-based UI for agent prototyping without coding
  • Support for various conversation patterns including autonomous and human-in-the-loop modes
  • Enhanced LLM inference APIs with performance optimization utilities

GitHub Stars:

AutoGen has achieved 46K GitHub stars, demonstrating substantial developer community adoption.

Framework Comparison Table

Selection Criteria and Recommendations

For Open-Source Community Frameworks

• • Choose LangChain when: You need a mature ecosystem with extensive tooling and comprehensive documentation for traditional LLM applications.
  • Choose LangGraph when: You require fine-grained control over agent workflows and complex state management for sophisticated multi-step processes.
  • Choose CrewAI when: You’re building specialized multi-agent teams with distinct roles and need rapid development without complex dependencies.
  • Choose Langroid when: You prioritize clean architecture and multi-agent programming paradigms, particularly for academic or research contexts.

For AI Provider Frameworks

• • Choose MCP when: You need to integrate AI agents with existing enterprise data sources and systems securely.
  • Choose OpenAI Agentic Framework when: You prefer minimalist design with powerful built-in capabilities and dynamic agent interactions.

For Cloud Service Provider Frameworks

• • Choose Google ADK when: You’re building within the Google Cloud ecosystem and need comprehensive evaluation and deployment tools.
  • Choose AWS Strands when: You’re working within AWS infrastructure and prefer model-driven development with minimal complexity.
  • Choose Azure Semantic Kernel when: You’re developing within the Microsoft ecosystem and need cross-platform compatibility.
  • Choose AutoGen when: You need conversation-pattern flexibility and visual prototyping capabilities for research or educational purposes.

Conclusion

The agentic AI framework landscape offers diverse solutions for different use cases and organizational requirements. Open-source frameworks like CrewAI and LangGraph provide community-driven innovation, while AI provider solutions like MCP offer enterprise-grade integration capabilities. Cloud service provider frameworks deliver ecosystem-specific optimizations and enterprise support.

Success in agentic AI development depends on aligning framework capabilities with your specific requirements: development team expertise, deployment environment, integration needs, and organizational constraints. The rapid evolution of this space suggests that framework selection should also consider long-term roadmaps and community sustainability.

Gowri Shanker, the CEO of the organization, is a visionary leader with over 20 years of expertise in AI, data engineering, and machine learning, driving global innovation and AI adoption through transformative solutions.