Best Agno Alternatives in 2026

#1 alternative

Haystack

deepset's composable open-source framework for RAG and agent pipelines.

#2 alternative

Mastra

The TypeScript framework for building AI agents and workflows.

#3 alternative

AutoGen

Microsoft's multi-agent conversation framework (now in maintenance mode).

#4 alternative

LangGraph

Graph-based orchestration for stateful, controllable LLM agents.

#5 alternative

Letta

Stateful AI agents with long-term memory (formerly MemGPT).

#6 alternative

Semantic Kernel

Microsoft's enterprise SDK for orchestrating LLMs, plugins, and agents.

#7 alternative

Langflow

Langflow is an open-source, low-code visual builder for creating AI agents, RAG applications, and MCP servers

#8 alternative

DeepEval

Open-source LLM evaluation framework with pytest-style testing.

#9 alternative

Onyx

Open-source AI chat and enterprise search over your company's knowledge.

#10 alternative

Firecrawl

Turn websites into clean, LLM-ready data with a simple API.

#11 alternative

Ragas

Open-source evaluation toolkit for RAG and LLM applications.

#12 alternative

Ollama

Run open LLMs locally with a single command.