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Best PydanticAI Alternatives

118 frameworks you can use instead of PydanticAI. Ranked by popularity, tag overlap, and live GitHub signals.

type-safepydanticagentstructured-outputdependency-injectionpython
P

PydanticAI

Reference

Type-safe agent framework built on Pydantic for Python

17.3Ktoday457
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Top Alternatives to PydanticAI

L

LangChain

Build context-aware reasoning applications with LLMs

OSSFree
LangChain AI
137.7K850.0K/wtoday469
1 shared tag
A

AutoGen

Microsoft's framework for building multi-agent AI systems

OSSFree
Microsoft
58.4K5w ago445
1 shared tag
C

CrewAI

Multi-agent orchestration framework for collaborative AI workflows

OSSFree
CrewAI Inc
52.2Ktoday297
1 shared tag
M

Microsoft Agent Framework

Unified multi-agent framework merging AutoGen and Semantic Kernel

OSSFree
Microsoft
58.4K800.0K/w5w ago445
1 shared tag
L

Langflow

Visual framework for building and deploying AI agents — 145K+ stars

OSSFree
Langflow AI
148.8Ktoday323
1 shared tag
M

MetaGPT

Multi-agent framework — the first AI software company — 65K+ stars

OSSFree
FoundationAgents
68.3K17w ago116
1 shared tag
L

LiteLLM

Universal LLM API gateway for 200+ providers — 38K+ stars

OSSFree
BerriAI
48.3Ktoday385
1 shared tag
A

Agno

Build, run, and manage agentic software at scale with 38K+ stars

OSSFree
Agno AGI
40.4Ktoday436
1 shared tag
D

DSPy

Framework for programming — not prompting — LLMs — 33K+ stars

OSSFree
Stanford NLP
34.7Ktoday394
1 shared tag
L

LangGraph

LangChain's framework for building stateful agent graphs — 26K+ stars

OSSFree
LangChain
33.0Ktoday274
1 shared tag
s

smolagents

Lightweight agent framework by HuggingFace — minimal code, maximum control

OSSFree
Hugging Face
27.5K7d ago200
1 shared tag
S

Semantic Kernel

Microsoft's SDK for integrating LLMs into applications — 24K+ stars

OSSFree
Microsoft
28.0Ktoday394
1 shared tag

Compare directly

PydanticAI vs LangChainPydanticAI vs AutoGenPydanticAI vs CrewAIPydanticAI vs Microsoft Agent Framework