Microsoft Agent Framework vs Haystack

MAMicrosoft Agent Framework9.1Visit Haystack8.9Visit

Higher score MA Microsoft Agent Framework #3 in LLM Application Development Frameworks 9.1/10 Free plan Free plan✓ 0 of 5 features Visit Microsoft

vs

Haystack #5 in LLM Application Development Frameworks 8.9/10 Open source ✓ 0 of 5 features Visit Haystack

• Microsoft Agent Framework fits best

  Multi-agent workflows across model providers

• Haystack fits best

  Teams building composable RAG and retrieval pipelines

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Side by side

Feature	MAMicrosoft Agent Framework 9.1/10 Visit ↗	Haystack 8.9/10 Visit ↗
At a glance
Editor score	9.1	8.9
Ranking	#3 in LLM Application Development Frameworks	#5 in LLM Application Development Frameworks
Best for	Multi-agent workflows across model providers	Teams building composable RAG and retrieval pipelines
Pricing model	Free	Free
Starting price	Not published	Not published
Free plan	✓ (best)	Not published
Free trial	—	—
Deployment	Cloud, Self-hosted	Self-hosted
Support	Docs, Community	Community, Docs
Integrations	8 integrations	183+ integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Microsoft Agent Framework 0/5 · Haystack 0/5
RAG support	Not published	Not published
Agent and tool use	Not published	Not published
Workflow graphs	Not published	Not published
Prompt optimization	Not published	Not published
JavaScript/TypeScript SDK	Not published	Not published
Specs
Primary language	Not published	Not published
Open-source license	Not published	Not published
Our review
Pros	Supports sequential, concurrent, handoff, group-chat, and Magentic orchestration Adds human pauses, tool-approval gates, checkpoints, and workflow resumption Exports workflow telemetry and topology; supports OpenTelemetry tracing	Combines keyword and embedding search in composable pipelines Supports document reranking and answers with referenced documents Connects to model providers, vector databases, and monitoring tools
Cons	Requires development work rather than offering a visual builder Cloud and model-service costs depend on chosen infrastructure and providers Support channels are documentation and community	Requires developers to compose and operate their own workflows Its feature set is more retrieval-centered than agent-orchestration leaders Community and documentation are the listed support channels
Our verdict	Microsoft Agent Framework is an open-source developer framework for building AI agents and multi-agent workflows with Python, .NET, and Go. Its shared agent interface, tools, middleware, and orchestration options suit teams that want to… Read the review →	Haystack is an open-source Python framework for developers building LLM applications, RAG systems, AI agents, multimodal applications, and semantic search pipelines. Its composable components let teams shape retrieval, ranking, generation,… Read the review →

Strengths and trade-offs

• Microsoft Agent Framework — where it wins

  • Supports sequential, concurrent, handoff, group-chat, and Magentic orchestration
  • Adds human pauses, tool-approval gates, checkpoints, and workflow resumption
  • Exports workflow telemetry and topology; supports OpenTelemetry tracing

  Where it doesn't

  • Requires development work rather than offering a visual builder
  • Cloud and model-service costs depend on chosen infrastructure and providers
  • Support channels are documentation and community

• Haystack — where it wins

  • Combines keyword and embedding search in composable pipelines
  • Supports document reranking and answers with referenced documents
  • Connects to model providers, vector databases, and monitoring tools

  Where it doesn't

  • Requires developers to compose and operate their own workflows
  • Its feature set is more retrieval-centered than agent-orchestration leaders
  • Community and documentation are the listed support channels

• MAMicrosoft Agent Framework9.1/10 · Free plan

  An open-source framework for multi-agent orchestration, with checkpoints and approval gates.

  Visit MicrosoftFull verdict →
• Haystack8.9/10 · Open source

  A flexible Python framework for retrieval-centered LLM apps, with hybrid search and cited answers.

  Visit HaystackFull verdict →