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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

1.1B 28K 3K
pydantic
pydantic-core

Data validation using Python type hints

929.9M 28K 3K
fastapi
fastapi

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

486.7M 98K 9K
pydantic
pydantic-settings

Settings management using pydantic

362.7M 1K 146
pydantic
jiter

Fast iterable JSON parser.

286.6M 524 58
langchain-ai
langchain

The agent engineering platform.

253.3M 137K 23K
pydantic
pydantic-ai-slim

AI Agent Framework, the Pydantic way

223.2M 17K 2K
pydantic
pydantic-graph

AI Agent Framework, the Pydantic way

131.7M 17K 2K
langchain-ai
langchain-core

The agent engineering platform.

111.6M 137K 23K
langchain-ai
langchain-openai

The agent engineering platform.

70.9M 137K 23K
langchain-ai
langgraph

Build resilient agents.

52.9M 32K 5K
mike-oakley
openapi-pydantic

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

50.7M 119 23
langchain-ai
langgraph-prebuilt

Build resilient agents.

45.8M 32K 5K
langchain-ai
langchain-text-splitters

The agent engineering platform.

43.9M 137K 23K
langchain-ai
langgraph-checkpoint

Build resilient agents.

42.8M 32K 5K
pydantic
pydantic-extra-types

Extra Pydantic types.

42.6M 318 97
ormsgpack
ormsgpack

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

41.9M 393 25
pydantic
pydantic-ai

AI Agent Framework, the Pydantic way

41.5M 17K 2K
langchain-ai
langgraph-sdk

Build resilient agents.

41.2M 32K 5K
pydantic
pydantic-evals

AI Agent Framework, the Pydantic way

30.4M 17K 2K
mangiucugna
json-repair

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

23.3M 5K 195
pydantic
logfire

AI observability platform for production LLM and agent systems.

21.9M 4K 236
langchain-ai
langchain-anthropic

The agent engineering platform.

19.1M 137K 23K
langchain-ai
langchain-classic

The agent engineering platform.

18.4M 137K 23K
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