Orchestration

AutoGen

Microsoft's multi-agent conversation framework (autogen-agentchat). Now in maintenance mode as it merges into the unified Microsoft Agent Framework targeting Q1 2026 GA.

open-source · $0/mo

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Features

  • AgentChat API for multi-agent conversations
  • Async event-driven message architecture
  • Inner tool calling loops with max iterations
  • AutoGen Studio visual prototyping UI
  • Migration path to Microsoft Agent Framework

Best use cases

Best use cases

Code Review Agent

Engineering teams spend 20-30% of their review cycle on repetitive style, security, and performance checks that could be automated. At scale, manual reviews become a bottleneck that slows deployment velocity.

Open Guide

Multi-Agent System

Single-agent systems break down for complex tasks that require specialist knowledge across multiple domains. One agent cannot be expert at research, coding, analysis, and communication simultaneously, leading to shallow results on multi-step workflows.

Open Guide

Compatible tools

Anthropic

Claude Opus 4.6, Sonnet 4.5, and Haiku 4.5 with extended thinking, agent teams, MCP integration, and up to 1M token context windows.

usage-based

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CrewAI

Multi-agent platform with open-source framework and Agent Management Platform (AMP). Visual editor, AI copilot, and enterprise deployment used by 60% of Fortune 500.

freemium

Open Tool

LangChain

Agent framework (v1.1) with create_agent abstraction, LangGraph stateful orchestration, middleware for retries and moderation, and model profiles.

open-source

Open Tool

LangSmith

AI agent and LLM observability platform with end-to-end OpenTelemetry support, Agent Builder, prompt playground, and multi-framework tracing.

freemium

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OpenAI

GPT-5.2 and o-series reasoning models with the Responses API, AgentKit, and built-in tools for web search, code execution, and computer use.

usage-based

Open Tool