LangChain Alternatives
LangChain gives developers a framework to construct LLMโpowered apps easily.
LangChain is a leading platform for developing LLM-based applications, offering a suite of flexible abstractions and a robust AI toolkit.
Explore 21 alternatives to LangChain across 1 category. Updated September 2026.
Featured
Top LangChain alternatives at a glance
- DSPy. Framework for programming, not prompting, language models with automatic prompt optimization
- Semantic Kernel. Microsoft's SDK for building and orchestrating AI agents in .NET, Python, and Java
- Vercel AI SDK. Open-source TypeScript toolkit for building AI applications with streaming, tool calling, and agents
- Instructor. Structured data extraction from LLMs using Pydantic models with automatic validation and retries
- Spring AI. Spring framework for building AI-powered Java applications with portable model and vector store abstractions
Compare LangChain with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| LangChain | Free | ✓ | ✓ MIT | Cloud + Self-hosted | ๐บ๐ธ United States |
| DSPy | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Semantic Kernel | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Vercel AI SDK | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Instructor | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Spring AI | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Langroid | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| llmkit | Free | ✓ | ✓ | Self-hosted | ๐ซ๐ฎ Finland |
| TanStack AI | Free | ✓ | ✓ | Self-hosted | — |
| Dify | Freemium | ✓ | ✓ PROPRIETARY | Cloud + Self-hosted | ๐บ๐ธ United States |
| LlamaIndex | Freemium | — | ✓ MIT | Cloud + Self-hosted | ๐บ๐ธ United States |
| LangGraph | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Mastra | Freemium | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Stagehand | — | ✓ | ✓ | Cloud + Self-hosted | — |
| Google ADK | Free | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Pydantic AI | Free | ✓ | ✓ MIT | Self-hosted | ๐ฌ๐ง United Kingdom |
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๐๏ธ Frameworks & Stacks
llmkit
One LLM client API for 20+ providers, in Go, TypeScript, Python and Rust
Mastra
TypeScript-first AI framework for building agents, RAG pipelines, and workflows
Google ADK
Open-source agent development kit from Google for building multi-agent systems
Burr
Build stateful AI agents and applications as state machines, with a built-in tracing UI
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