Best DSPy Alternatives in 2026

#1 alternative

Agno

High-performance Python framework for building multi-agent systems and AgentOS

#2 alternative

Haystack

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

#3 alternative

Mastra

The TypeScript framework for building AI agents and workflows.

#4 alternative

AutoGen

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

#5 alternative

Semantic Kernel

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

#6 alternative

Pydantic AI

Type-safe Python agent framework from the team behind Pydantic

#7 alternative

Letta

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

#8 alternative

LangGraph

Graph-based orchestration for stateful, controllable LLM agents.

#9 alternative

Langflow

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

#10 alternative

Ragas

Open-source evaluation toolkit for RAG and LLM applications.

#11 alternative

DeepEval

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

#12 alternative

LangChain / LangSmith

Framework and platform for building LLM apps and agents