Top alternatives to Haystack

Haystack is a open source in AI Agent. Here are the strongest alternatives, ranked by an explainable 4-dimension score.

● Data-backed · 525 nodes · updated 2026-09-13
#AlternativeOverallPop.Mom.Cred.Eco.
1lobehub · Agent Frameworks
🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.
8054998685
2PydanticAI · Agent Frameworks
Type-safe Python agent framework from the Pydantic team.
8374938381
3LangChain · Agent Frameworks
LangChain — Agent Frameworks · AI Agent.
7958759797
4SmolAgents · Agent Frameworks
Lightweight library for building agents that write and execute code.
8785938482
5deer-flow · Agent Frameworks
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
8674998685
6Semantic Kernel · Agent Frameworks
Microsoft's open-source SDK for integrating LLMs and agent orchestration into apps.
8484768989
7Goose · Agent Frameworks
Block's open-source extensible AI agent that automates engineering tasks locally.
8474938584
8/dev/agents · Agent Frameworks
Startup building a new operating system designed for AI agents.
7974937370
See Haystack on the map →