1
Also covers frameworks · open source
VoltAgent provides a TypeScript framework and engineering platform for building AI agents.
Alternatives
The Best LangChain Alternatives in 2026
24 alternatives0 free · 8 open source
Looking for something like LangChain? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 8 are open source.
LangChain provides an open agent engineering platform for building and governing AI applications.
Top picks at a glance
First suggestionVoltAgentVoltAgent provides a TypeScript framework and engineering…Another optionOpenAI Agents SDKThe OpenAI Agents SDK provides tools for developers…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | VoltAgent | — | Yes | — |
| 2 | OpenAI Agents SDK | — | Not stated | Web |
| 3 | Web | — | Not stated | Web |
| 4 | Uplizd Unicorn | — | Not stated | Web |
| 5 | Agenta | — | Not stated | Web |
| 6 | Ability AI | — | Not stated | Web |
| 7 | TakeShape | — | Not stated | Web |
| 8 | Miku | — | Not stated | Web |
| 9 | Microsoft Agent Framework | — | Not stated | Web |
| 10 | Google Agent Development Kit | — | Not stated | Web |
All LangChain alternatives
2
OpenAI Agents SDK
openai.github.io/openai-agents-pythonAlso covers frameworks · same kind of website
The OpenAI Agents SDK provides tools for developers building applications with agentic AI.
3
Web
agentforge.netAlso covers frameworks · same kind of website
AgentForge: AI agent framework for building, customizing, and deploying cognitive architectures and multi-agent systems.
4
Uplizd Unicorn
unicorn.uplizd.aiAlso covers frameworks · same kind of website
Uplizd Unicorn offers visual AI tools for startups and small businesses to build and optimize business content.
5
Agenta
agenta.aiAlso covers frameworks · same kind of website
Agenta offers an open-source workspace where teams can build and improve AI agents.
6
Ability AI
ability.aiAlso covers frameworks · same kind of website
Ability.ai is an applied AI lab focused on sovereign agentic systems, including its Cornelius and Trinity projects.
7
TakeShape
takeshape.ioAlso covers frameworks · same kind of website
Connect and transform enterprise data with TakeShape, a data-first agent builder and runtime for AI-driven agents.
8
Miku
docs.miku.ggAlso covers frameworks · same kind of website
Miku.gg is an open-source chatbot platform that users can host themselves or try through a live demo.
9
Microsoft Agent Framework
learn.microsoft.com/en-us/agent-framework/over…Also covers frameworks
Build AI agents and multi-agent workflows in.NET, Python, and Go with Microsoft Agent Framework.
10
Google Agent Development Kit
adk.devAlso covers frameworks
Google’s Agent Development Kit helps developers build multi agent systems.
11
CrewAI
crewai.comAlso covers frameworks
CrewAI provides a centrally governed platform for teams to build, run, and manage multi-agent business workflows.
12
MindPal
mindpal.spaceAlso covers frameworks · same kind of website
MindPal lets users create branded AI agents and multi-agent workflows trained on their expertise.
13
Also covers frameworks · open source
Haystack provides modular building blocks for agentic, context engineered AI systems.
14
Epsilla
epsilla.comAlso covers frameworks
Epsilla lets enterprises build, deploy, and manage customized AI agents without coding.
15
Awesome SDKs for AI Agents
github.com/e2b-dev/awesome-sdks-for-ai-agentsAlso covers frameworks
This repository catalogs SDKs, frameworks, libraries, and tools for building and operating AI agents.
16
Also covers frameworks · open source
Lagent provides a lightweight framework for building agents powered by large language models.
17
Also covers frameworks · open source
Strands Agents SDK provides an open source toolkit for building and controlling production agents in Python and TypeScript.
18
Also covers frameworks · open source
SuperAGI provides tools for developers to build, manage, and run autonomous AI agent systems.
19
Also covers frameworks · open source
ConnectOnion provides command line tools for building and running AI agents.
20
Also covers frameworks · open source
Build and deploy GPT and LLM agents with Botpress, an open-source hub for agent development.
21
Also covers frameworks · open source
The smolagents library provides a lightweight foundation for building code based AI agents.
22
PromptShuttle
promptshuttle.comAlso covers frameworks
PromptShuttle provides an API for orchestrating multiple agents and routing requests across AI providers.
23
FastAgency
fastagency.ai/latestAlso covers frameworks
FastAgency provides a way to bring multi agent workflows into production.
24
“Westworld” simulation
theolvs.github.io/westworldAlso covers frameworks
Westworld is a multi agent simulation library, according to its documentation page.
No alternatives match this filter.
Alternatives to similar tools
Uplizd Unicorn24 alternativesWeb24 alternativesAwesome SDKs for AI Agents24 alternativesSuperAGI24 alternativesMicrosoft Agent Framework24 alternativesStrands Agents SDK24 alternatives
What is the best alternative to LangChain?
Based on features, tags and platforms, the closest alternatives to LangChain are VoltAgent, OpenAI Agents SDK, and Web.
Are there open-source alternatives to LangChain?
Yes: VoltAgent, Haystack, Lagent, and Strands Agents SDK.
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