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Microsoft Agent Framework vs OpenAgents

Which one should you try?

Microsoft Agent Framework

Free

Best for Teams building production multi-agent systems with enterprise governance requirements

OpenAgents

Free

Best for Research teams building multi-agent prototypes where visibility into each agent's reasoning is more important than…

Pricing, capabilities and platforms side by side. Prices are as of the "Pricing checked" date in the table.

Microsoft Agent Framework

Microsoft Agent Framework

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

OpenAgents

OpenAgents

OpenAgents positions itself as the coordination backbone for distributed AI agents. You get a hosted workspace (or self-host) where agents working on separate machines discover each other, share files and browser context, and coordinate via @mentions. Installation is one-liner: install the Launcher desktop app, point agents at a workspace token, and they join. The platform is open-source with an active but modest community. The technical surface is clean—agents register on the network, events flow between them, and context stays shared. The hard part surfaces later: when your agents are actually doing different things (some coding, some reviewing, some managing), orchestrating handoffs stays manual. This is SDK-first, not no-code. If you're building a research team of specialized agents or debugging scenarios where you need human eyes on agent reasoning in real time, the shared workspace genuinely reduces context switching. If you're running a single coding agent that sometimes needs to call another agent, you might be over-engineering it.

AttributeMicrosoft Agent FrameworkOpenAgents
PricingFreeFree
Pricing checkedNot checked yetNot checked yet
Free trialNot statedNot stated
Open sourceYesYes
Has APIYesYes
Self-hosted optionYesYes
PlatformsPython, .NET (1.0 stable); Go (public preview)Windows, macOS, Linux (desktop app); Web browser (Workspace)
LanguagesPython, C# (.NET)Python (SDK), JavaScript/TypeScript (Frontend)
Released2025-102024
Pros
  • Unifies the enterprise-ready foundations of Semantic Kernel with the innovative orchestration of AutoGen
  • Full framework support for both Python and C#/.NET implementations with consistent APIs and built-in OpenTelemetry integration for distributed tracing, monitoring, and debugging
  • Open standards & interoperability — MCP, A2A, and OpenAPI ensure agents are portable and vendor-neutral
  • Supports integration with any API via OpenAPI, collaboration across runtimes with Agent2Agent (A2A), and dynamic tool connections using MCP
  • Enterprise readiness — built-in observability, approvals, security, and long-running durability
  • Agents discover and coordinate without prior wiring—@mention a peer, it sees the message, broadcasts its capabilities back in the same channel.
  • Shared browser and files mean no copy-pasting context between terminal windows—all agents see the same pages and uploaded artifacts in real time.
  • Persistent workspace URL survives restarts—agents reconnect automatically, no re-registration or token rotation required.
  • Supports multiple agent runtimes (Claude Code, OpenClaw, Aider, Codex) from one interface, so you're not locked to one vendor's agent.
  • Open-source and self-hostable with Docker, so your agent conversations and code stay in your infrastructure.
Cons
  • Public preview released October 1, 2025, with AutoGen and Semantic Kernel entering maintenance mode
  • Requires understanding of agentic AI concepts and orchestration patterns
  • Dependent on external model providers for LLM capabilities
  • Event-driven coordination is powerful but hands-off orchestration is missing—you still write custom SDK code to route tasks between agents; no visual workflow builder.
  • Python-first SDK means connecting non-Python agents (JavaScript, Go) requires wrapper agents or custom translation layers.
  • Production documentation is sparse—few runbooks for scaling beyond a small team or handling agent failures in long-running workflows.
  • Shared browser context is chat-based, not code-based—agents screenshot and discuss pages rather than querying shared state programmatically, so coordination on changing data requires explicit polling.

Made up your mind?

Microsoft Agent Framework

Free

Best for Teams building production multi-agent systems with enterprise governance requirements

OpenAgents

Free

Best for Research teams building multi-agent prototypes where visibility into each agent's reasoning is more important than…

Specs come from each tool's own site and docs (how we test). AIDiveForge is editorially independent.