DeepYard

Best PydanticAI Alternatives

175 frameworks you can use instead of PydanticAI. Ranked by popularity, tag overlap, and public GitHub signals when available.

type-safepydanticagentstructured-outputdependency-injectionpython
P

PydanticAI

Reference

Type-safe agent framework built on Pydantic for Python

19.4Ktoday475
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Top Alternatives to PydanticAI

L

LangChain

Build context-aware reasoning applications with LLMs

OSSFree
LangChain AI
144.7K850.0K/wtoday467
1 shared tag
A

AutoGen

Microsoft's framework for building multi-agent AI systems

OSSFree
Microsoft
60.6K18w ago444
1 shared tag
C

CrewAI

Multi-agent orchestration framework for collaborative AI workflows

OSSFree
CrewAI Inc
57.4Ktoday301
1 shared tag
M

Microsoft Agent Framework

Unified multi-agent framework merging AutoGen and Semantic Kernel

OSSFree
Microsoft
60.6K800.0K/w18w ago444
1 shared tag
L

Langflow

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

OSSFree
Langflow AI
153.5Ktoday351
1 shared tag
L

LiteLLM

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

OSSFree
BerriAI
57.0Ktoday376
1 shared tag
M

MetaGPT

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

OSSFree
FoundationAgents
69.9K30w ago116
1 shared tag
A

Agno

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

OSSFree
Agno AGI
41.8Ktoday444
1 shared tag
L

LangGraph

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

OSSFree
LangChain
40.2Ktoday278
1 shared tag
D

DSPy

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

OSSFree
Stanford NLP
37.5Ktoday406
1 shared tag
s

smolagents

Lightweight agent framework by HuggingFace — minimal code, maximum control

OSSFree
Hugging Face
28.9K4w ago202
1 shared tag
H

Haystack

End-to-end LLM framework for building NLP and agent pipelines — 18K+ stars

OSSFree
deepset
26.3K600.0K/wtoday415
1 shared tag

Compare directly

PydanticAI vs LangChain