≫ Home / Frameworks & Stacks / Semantic Kernel / Alternatives

Semantic Kernel Alternatives

Microsoft's SDK for building and orchestrating AI agents in .NET, Python, and Java

Semantic Kernel is a lightweight, model-agnostic SDK from Microsoft for integrating LLMs into applications.

Explore 47 alternatives to Semantic Kernel across 2 categories. Updated September 2026.

Featured

Roofline

Edge AI deployment stack: an MLIR/IREE compiler and device runtime for CPUs, GPUs and NPUs

Feature your product here

Top Semantic Kernel alternatives at a glance

Langroid. Multi-agent LLM framework using message-based task delegation inspired by the Actor model
n8n. AI workflow automation with 400+ integrations and native AI agents
AutoGen. Microsoft's multi-agent framework, in maintenance mode since 2026; Microsoft points new projects to Agent Framework
CrewAI. Framework for orchestrating role-playing, autonomous AI agents.
LangGraph. Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Compare Semantic Kernel with its alternatives

Product	Pricing Model	Free Tier	Open Source	Hosting	HQ
Semantic Kernel	Free	✓	✓	Self-hosted	🇺🇸 United States
Langroid	Free	✓	✓	Self-hosted	🇺🇸 United States
n8n	Freemium	✓	—	Cloud + Self-hosted	🇩🇪 Germany
AutoGen	Free	✓	✓	Self-hosted	🇺🇸 United States
CrewAI	Freemium	—	✓ MIT	Cloud + Self-hosted	🇺🇸 United States
LangGraph	Free	✓	✓	Self-hosted	🇺🇸 United States
Composio	Freemium	✓	✓	—	🇺🇸 United States
Smolagents	Free	✓	✓	Self-hosted	🇺🇸 United States
OpenAI Agents SDK	Free	✓	✓	Self-hosted	🇺🇸 United States
Mastra	Freemium	✓	✓	Cloud + Self-hosted	🇺🇸 United States
Letta	Freemium	✓	✓	Cloud + Self-hosted	🇺🇸 United States
Stagehand	—	✓	✓	Cloud + Self-hosted	—
Google ADK	Free	✓	✓	Cloud + Self-hosted	🇺🇸 United States
Pydantic AI	Free	✓	✓ MIT	Self-hosted	🇬🇧 United Kingdom
LiveKit Agents	Freemium	✓	✓	Cloud + Self-hosted	🇺🇸 United States
AgentOps	Freemium	✓	—	Cloud + Self-hosted	🇺🇸 United States

🕵️‍♀️ Agents

Langroid

Multi-agent LLM framework using message-based task delegation inspired by the Actor model

Open Source Free Trial

n8n

AI workflow automation with 400+ integrations and native AI agents

Free Trial

AutoGen

Microsoft's multi-agent framework, in maintenance mode since 2026; Microsoft points new projects to Agent Framework

Open Source Free Trial

CrewAI

Framework for orchestrating role-playing, autonomous AI agents.

Open Source

LangGraph

Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Open Source Free Trial

Composio

Tool integration platform connecting AI agents to 1,000+ apps with managed auth and execution

Open Source Free Trial

Smolagents

Lightweight Python agent framework from Hugging Face where agents write Python code instead of JSON tool calls

Open Source Free Trial

OpenAI Agents SDK

Official OpenAI framework for building production AI agents with tool use and guardrails

Open Source Free Trial

Mastra

TypeScript-first AI framework for building agents, RAG pipelines, and workflows

Open Source Free Trial

Letta

Framework for building stateful AI agents with persistent memory, formerly MemGPT

Open Source Free Trial

Stagehand

AI-powered browser automation framework with natural language actions, extraction, and observation

Open Source Free Trial

Google ADK

Open-source agent development kit from Google for building multi-agent systems

Open Source Free Trial

Pydantic AI

Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection

Open Source Free Trial

LiveKit Agents

Open-source framework for building real-time voice and multimodal AI agents over WebRTC

Open Source Free Trial

AgentOps

Build compliant AI agents with observability, evals, and replay analytics.

Free Trial

AG2

Community-driven multi-agent framework forked from AutoGen with backward-compatible API

Open Source Free Trial

Dust

The operating system for AI agents

Open Source Free Trial

AgentsKit

Open-source TypeScript ecosystem for building, distributing and operating AI agents without provider lock-in

Open Source Free Trial

AGNT

Local-first desktop workspace for building and running agents, with visual workflows, memory and MCP connections

Free Trial

Burr

Build stateful AI agents and applications as state machines, with a built-in tracing UI

Open Source Free Trial

Microsoft Agent Framework

Build agents and graph-based multi-agent workflows in .NET and Python

Open Source Free Trial

Tura

Open-source local coding agent that turns intent into verified repository changes

Open Source Free Trial

Claude Agent SDK

Build production agents with the same tools and agent loop that power Claude Code

Fixie

The fastest way to build conversational AI agents

Open Source Free Trial

Rasa

Conversational AI platform for building enterprise AI agents

Free Trial

Superagent

Prototype and deploy agents powered by large language models.

Open Source Free Trial

🏗️ Frameworks & Stacks

LangChain

LangChain gives developers a framework to construct LLM‑powered apps easily.

Open Source Free Trial

DSPy

Framework for programming, not prompting, language models with automatic prompt optimization

Open Source Free Trial

Vercel AI SDK

Open-source TypeScript toolkit for building AI applications with streaming, tool calling, and agents

Open Source Free Trial

Instructor

Structured data extraction from LLMs using Pydantic models with automatic validation and retries

Open Source Free Trial

Spring AI

Spring framework for building AI-powered Java applications with portable model and vector store abstractions

Open Source Free Trial

Langroid

Multi-agent LLM framework using message-based task delegation inspired by the Actor model

Open Source Free Trial

llmkit

One LLM client API for 20+ providers, in Go, TypeScript, Python and Rust

Open Source Free Trial

TanStack AI

Framework-agnostic TypeScript library for AI chat, streaming, tools, and structured outputs

Open Source Free Trial

Dify

Easily build and operate generative AI applications. Create Assistants API and GPTs based on any LLMs.

Open Source Free Trial

LlamaIndex

LlamaIndex is a simple, flexible data framework for connecting custom data sources to large language models.

Open Source

LangGraph

Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Open Source Free Trial

Mastra

TypeScript-first AI framework for building agents, RAG pipelines, and workflows

Open Source Free Trial

Stagehand

AI-powered browser automation framework with natural language actions, extraction, and observation

Open Source Free Trial

Google ADK

Open-source agent development kit from Google for building multi-agent systems

Open Source Free Trial

Pydantic AI

Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection

Open Source Free Trial

AgentsKit

Open-source TypeScript ecosystem for building, distributing and operating AI agents without provider lock-in

Open Source Free Trial

AGNT

Local-first desktop workspace for building and running agents, with visual workflows, memory and MCP connections

Free Trial

Burr

Build stateful AI agents and applications as state machines, with a built-in tracing UI

Open Source Free Trial

Microsoft Agent Framework

Build agents and graph-based multi-agent workflows in .NET and Python

Open Source Free Trial

Agno (formerly phidata)

Open-source framework and runtime for building agents and serving them as your own agent platform

Open Source Free Trial

Haystack

The Production-Ready Open Source AI Framework.

Open Source

Browse all 48 Agents products Browse all 39 Frameworks & Stacks products

View Semantic Kernel

Is your product missing?

Add it here →