1
Google Agent Development Kit
adk.devAlso covers frameworks and python
Google’s Agent Development Kit helps developers build multi agent systems.
Alternatives
The Best OpenAI Agents SDK Alternatives in 2026
24 alternatives0 free · 17 open source
Looking for something like OpenAI Agents SDK? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 17 are open source.
About OpenAI Agents SDKopenai.github.io/openai-agents-python
VisitThe OpenAI Agents SDK provides tools for developers building applications with agentic AI.
Top picks at a glance
First suggestionGoogle Agent Development KitGoogle’s Agent Development Kit helps developers build multi…Open source optionSuperAGISuperAGI provides tools for developers to build, manage…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Google Agent Development Kit | — | Not stated | Web |
| 2 | SuperAGI | — | Yes | — |
| 3 | openai/swarm | — | Yes | — |
| 4 | AutoGen | — | Not stated | — |
| 5 | CrewAI | — | Yes | — |
| 6 | Microsoft Agent Framework | — | Not stated | Web |
| 7 | CrewAI | — | Not stated | Web |
| 8 | Lagent | — | Yes | — |
| 9 | Strands Agents SDK | — | Yes | — |
| 10 | ConnectOnion | — | Yes | — |
All OpenAI Agents SDK alternatives
2
Also covers frameworks and python · open source
SuperAGI provides tools for developers to build, manage, and run autonomous AI agent systems.
3
Also covers frameworks and python · open source
Educational framework exploring ergonomic, lightweight multi-agent orchestration. Managed by OpenAI Solution team.
4
AutoGen
github.com/microsoft/autogenAlso covers frameworks and python
AutoGen provides a programming framework for developing agentic AI systems.
5
Also covers frameworks and python · open source
CrewAI lets developers coordinate autonomous agents that take on different roles.
6
Microsoft Agent Framework
learn.microsoft.com/en-us/agent-framework/over…Also covers frameworks and python
Build AI agents and multi-agent workflows in.NET, Python, and Go with Microsoft Agent Framework.
7
CrewAI
crewai.comAlso covers frameworks and python
CrewAI provides a centrally governed platform for teams to build, run, and manage multi-agent business workflows.
8
Also covers frameworks and python · open source
Lagent provides a lightweight framework for building agents powered by large language models.
9
Also covers frameworks and python · open source
Strands Agents SDK provides an open source toolkit for building and controlling production agents in Python and TypeScript.
10
Also covers frameworks and python · open source
ConnectOnion provides command line tools for building and running AI agents.
11
Also covers frameworks and python · open source
The smolagents library provides a lightweight foundation for building code based AI agents.
12
“Westworld” simulation
theolvs.github.io/westworldAlso covers frameworks and python
Westworld is a multi agent simulation library, according to its documentation page.
13
yoheinakajima/babyagi
github.com/yoheinakajima/babyagiAlso covers frameworks and python
BabyAGI explores task planning as a method for developing autonomous agents.
14
Also covers frameworks and python · open source
Mindstorm explores language-based societies of mind and multi-agent systems.
15
Also covers frameworks and python · open source
llama-agents provides event-driven agent workflows for controlling AI application execution.
16
Also covers frameworks and python · open source
The MetaGPT repository provides a multi-agent framework for natural language programming and software development.
17
Also covers frameworks and python · open source
agency-swarm provides a framework for orchestrating multiple AI agents.
18
Also covers frameworks and python · open source
mempalace offers an open-source memory system designed for use with AI agents.
19
Also covers frameworks and python · open source
Hive supports applications that coordinate multiple AI agents through shared task workflows.
20
Maestro
github.com/Doriandarko/maestroAlso covers frameworks and python
Maestro demonstrates AI-assisted task breakdown and execution by orchestrating Claude subagents.
21
Also covers frameworks and python · open source
The CrewAI repository contains a framework for coordinating role playing autonomous agents.
22
Also covers frameworks and python · open source
LoongFlow provides agent planning, execution, and summary loops with structured experiential memory.
23
Also covers frameworks and python · open source
The fractal project explores hierarchical agent loops and recursive self-organization using Python.
24
Also covers frameworks and python · open source
A fast and lightweight framework for creating decentralized agents with ease.
No alternatives match this filter.
Alternatives to similar tools
yoheinakajima/babyagi24 alternativesSuperAGI24 alternativesHive24 alternativesMicrosoft Agent Framework24 alternativesStrands Agents SDK24 alternativesagency-swarm24 alternatives
What is the best alternative to OpenAI Agents SDK?
Based on features, tags and platforms, the closest alternatives to OpenAI Agents SDK are Google Agent Development Kit, SuperAGI, and openai/swarm.
Are there open-source alternatives to OpenAI Agents SDK?
Yes: SuperAGI, openai/swarm, CrewAI, and Lagent.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative