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Pydantic Python Packages

Python packages with the GitHub topic pydantic. Sorted by relevance, with stars and monthly downloads.
pydantic
pydantic

Data validation using Python type hints

981.6M 28K 3K
pydantic
pydantic-core

Data validation using Python type hints

862.7M 28K 3K
fastapi
fastapi

FastAPI framework, high performance, easy to learn, fast to code, ready for production

446.6M 98K 9K
pydantic
pydantic-settings

Settings management using pydantic

322.5M 1K 139
pydantic
jiter

Fast iterable JSON parser.

264M 524 58
langchain-ai
langchain

The agent engineering platform

238.8M 136K 22K
pydantic
pydantic-ai-slim

AI Agent Framework, the Pydantic way

161.4M 17K 2K
langchain-ai
langchain-core

The agent engineering platform

107.1M 136K 22K
pydantic
pydantic-graph

AI Agent Framework, the Pydantic way

83.6M 17K 2K
langchain-ai
langchain-openai

The agent engineering platform

65.8M 136K 22K
mike-oakley
openapi-pydantic

Modern, type-safe OpenAPI schemas in Python using Pydantic 1.8+ and 2.x

52.9M 119 23
langchain-ai
langgraph

Build resilient language agents as graphs.

48.4M 31K 5K
langchain-ai
langchain-text-splitters

The agent engineering platform

43M 136K 22K
langchain-ai
langgraph-prebuilt

Build resilient language agents as graphs.

40.6M 31K 5K
ormsgpack
ormsgpack

MessagePack serialization library for Python derived from orjson, written in Rust using PyO3

39.7M 390 25
pydantic
pydantic-extra-types

Extra Pydantic types.

39.5M 316 95
langchain-ai
langgraph-checkpoint

Build resilient language agents as graphs.

39.2M 31K 5K
langchain-ai
langgraph-sdk

Build resilient language agents as graphs.

38.5M 31K 5K
pydantic
pydantic-ai

AI Agent Framework, the Pydantic way

31.5M 17K 2K
pydantic
logfire

AI observability platform for production LLM and agent systems.

24.9M 4K 230
pydantic
pydantic-evals

AI Agent Framework, the Pydantic way

22.9M 17K 2K
mangiucugna
json-repair

Repair malformed JSON from LLMs, APIs, logs, and user input in Python.

20.2M 5K 187
langchain-ai
langchain-anthropic

The agent engineering platform

17.9M 136K 22K
langchain-ai
langchain-classic

The agent engineering platform

16.4M 136K 22K
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