The best LlamaIndex alternatives
LlamaIndex (Data framework for RAG and knowledge agents.) is popular, but it isn’t the only option. Here are the best Agent Frameworks alternatives, compared.
Disclosure: some links below are affiliate links. If you sign up through them we may earn a commission — at no extra cost to you. It never affects our rankings.
| Tool | Best for | From | Head-to-head | |
|---|---|---|---|---|
| Agno | Fast, lightweight framework for multimodal agents. | Free | — | Visit → |
| CrewAI | Framework for orchestrating role-playing agent crews. | Free | LlamaIndex vs CrewAI | Visit → |
| DSPy | Framework for programming, not prompting, LLMs. | Free | — | Visit → |
| Griptape | Python framework for agents, pipelines, and workflows. | Free | — | Visit → |
| Haystack | Open-source framework for LLM search and agents. | Free | — | Visit → |
| LangChain | Popular framework for building LLM apps and agents. | Free | LlamaIndex vs LangChain | Visit → |
| LangGraph | Graph-based library for stateful, multi-actor agents. | Free | — | Visit → |
| Letta | Framework for agents with long-term memory. | Free | — | Visit → |
| Mastra | TypeScript framework for building AI agents. | Free | — | Visit → |
| Microsoft AutoGen | Microsoft framework for multi-agent conversations. | Free | — | Visit → |
| OpenAI Agents SDK | Lightweight SDK for building agents from OpenAI. | Free | — | Visit → |
| Pydantic AI | Type-safe agent framework from the Pydantic team. | Free | — | Visit → |
| Semantic Kernel | Microsoft SDK for integrating AI into apps. | Free | — | Visit → |
| SmolAgents | Minimalist agent library from Hugging Face. | Free | — | Visit → |
← Back to the LlamaIndex review