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Alternatives to Pydantic AI

Pydantic AI is an agent framework by Pydantic: Typed Python SDK for building agents with swappable model providers, plus optional capabilities for memory, sub-agents, planning and durable execution. If it doesn't fit your setup, these 12 agent frameworks cover similar ground. They are ordered by how closely they match Pydantic AI and by our rank, which weighs adoption, freshness and documentation; money never changes the order. Ax leads the list (supports TypeScript and Java). Each entry shows data reasons to switch, and you can open a side-by-side comparison with Pydantic AI.

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

You're replacing

Pydantic AI

Typed Python SDK for building agents with swappable model providers, plus optional capabilities for memory, sub-agents, planning and durable execution.

12 alternatives

Ordered by how closely each matches Pydantic AI (shared product, category or stated alternative) and by rank.

  1. 1
    Ax

    Ax

    DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries.

    • Supports TypeScript and Java

    ★ 3K↓ 27.2K/wkLast active Oct 21, 2026Compare →

  2. 2
    LangGraph

    LangChain

    Low-level Python orchestration framework for long-running stateful agents, with durable execution, human review points and short- and long-term memory.

    • More GitHub stars (43.8K)

    ★ 43.8K↓ 13.1M/wkLast active Oct 24, 2026

  3. 3
    Google Agent Development Kit (ADK)

    Google

    Open-source toolkit for building, evaluating and deploying agents in Python, TypeScript, Go, Java and Kotlin, tuned for Gemini but model-agnostic.

    • Supports TypeScript and Go

    ★ 22K↓ 2.4M/wkLast active Oct 24, 2026Compare →

  4. 4
    Swarms

    Swarms

    Python framework for orchestrating multiple LLM agents in sequential, concurrent, hierarchical and graph-based workflows.

    • Supports Rust

    ★ 7.3K↓ 3.3K/wkLast active Oct 24, 2026

  5. 5
    Burr

    Apache Software Foundation

    Python framework that models an application as a state machine, with a trace UI and persisted state.

    • 2.6K GitHub stars
    • Active in the last 30 days

    ★ 2.6K↓ 4.7K/wkLast active Oct 19, 2026

  6. 6
    Microsoft Agent Framework

    Microsoft

    Open framework for building and hosting production-grade AI agents and multi-agent workflows in .NET and Python.

    • Supports C# and Go

    ★ 14.3K↓ 47.6K/wkLast active Oct 24, 2026Compare →

  7. 7
    CGraph

    ChunelFeng

    Cross-platform C++ DAG framework with a Python version, for running task graphs with no third-party dependencies.

    • Supports c++

    ★ 2.3K↓ 118/wkLast active Oct 24, 2026

  8. 8
    all-agentic-architectures

    FareedKhan-dev

    Python library of 35 agentic AI architectures with one run() interface, built on LangGraph and multiple LLM providers.

    • 4.6K GitHub stars
    • Open source (MIT)

    ★ 4.6KLast active May 28, 2026

  9. 9
    Pocket Flow

    The Pocket

    Minimal Python graph framework of about 100 lines for LLM agents, workflows, RAG and map-reduce pipelines.

    • 11.3K GitHub stars
    • Open source (MIT)

    ★ 11.3K↓ 7.9K/wkLast active Jul 26, 2026

  10. 10
    Julep

    Julep AI

    Python framework for durable AI agents built as dataflows that resume after crashes, retry safely and record each step.

    • 6.6K GitHub stars
    • Open source (Apache-2.0)

    ★ 6.6K↓ 368/wkLast active Jul 29, 2026

  11. 11
    LightAgent

    wanxingai

    Python agent framework for OpenAI-compatible agents with tools, memory, MCP connections, multi-agent collaboration and workflows.

    • 1.2K GitHub stars
    • Active in the last 30 days

    ★ 1.2K↓ 61/wkLast active Sep 30, 2026

  12. 12
    Genkit

    Google

    Open-source Firebase framework for AI features and agent workflows in JavaScript, Go, Python and Dart, with model plugins.

    • Supports TypeScript and JavaScript

    ★ 6.5K↓ 95.8K/wkLast active Oct 23, 2026

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