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Alternatives to Ax

Ax is an agent framework by Ax: DSPy-style toolkit for typed LLM signatures, agents and flows, TypeScript-first with Python, Java, C++, Go and Rust libraries. If it doesn't fit your setup, these 12 agent frameworks cover similar ground. They are ordered by how closely they match Ax and by our rank, which weighs adoption, freshness and documentation; money never changes the order. Rig leads the list (more GitHub stars (9K)). Each entry shows data reasons to switch, and you can open a side-by-side comparison with Ax.

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

You're replacing

Ax

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

12 alternatives

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

  1. 1
    Rig

    Playgrounds

    Rust library for LLM applications with agents, tool calling, streaming and 20+ model providers, plus a terminal coding agent.

    • More GitHub stars (9K)

    ★ 9K↓ 152.4K/wkLast active Oct 24, 2026Compare →

  2. 2
    ADK for TypeScript

    Google

    TypeScript toolkit for agents with Zod-typed tools, graph and multi-agent workflows, and Node.js or browser runtimes.

    • 1.4K GitHub stars
    • Active in the last 30 days

    ★ 1.4K↓ 143.5K/wkLast active Oct 23, 2026Compare →

  3. 3
    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, 2026Compare →

  4. 4
    Mastra

    Mastra

    TypeScript framework for AI agents and apps with graph-based workflows, memory, suspend-and-resume approvals, MCP servers and model routing.

    • More GitHub stars (29.1K)

    ★ 29.1K↓ 1.4M/wkLast active Oct 24, 2026Compare →

  5. 5
    Pydantic AI

    Pydantic

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

    • More GitHub stars (20.8K)

    ★ 20.8K↓ 1.5M/wkLast active Oct 24, 2026Compare →

  6. 6
    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.

    • More GitHub stars (22K)
    • Supports Kotlin

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

  7. 7
    Eino

    CloudWeGo (ByteDance)

    Go framework for LLM applications with chat-model agents, multi-agent coordination, graph workflows and human-in-the-loop resume.

    • More GitHub stars (13.4K)

    ★ 13.4KLast active Oct 19, 2026

  8. 8
    Spring AI Alibaba

    Alibaba

    Java framework for agentic, workflow and multi-agent AI apps, with graph workflows, MCP and A2A support.

    • More GitHub stars (11.1K)

    ★ 11.1KLast active Oct 7, 2026

  9. 9
    Koog

    JetBrains

    Kotlin and Java framework for AI agents with tools, graph workflows, MCP, streaming and multiplatform targets.

    • Supports Kotlin

    ★ 4.6KLast active Oct 13, 2026

  10. 10
    LangGraph4j

    LangGraph4j

    Java library for stateful, multi-agent LLM applications built as cyclical graphs, designed to work with langchain4j and Spring AI.

    • 2.1K GitHub stars
    • Active in the last 30 days

    ★ 2.1KLast active Oct 18, 2026

  11. 11
    tRPC-Agent-Go

    Tencent tRPC

    Go framework for multi-agent systems with graph workflows, tools, session memory, MCP, A2A, AG-UI and OpenTelemetry.

    • 1.9K GitHub stars
    • Active in the last 30 days

    ★ 1.9KLast active Oct 24, 2026

  12. 12
    open-multi-agent

    open-multi-agent

    Self-hosted TypeScript runtime for coordinating agents with human approval gates and inspectable runs, with no telemetry.

    • More GitHub stars (7K)

    ★ 7K↓ 897/wkLast active Oct 24, 2026

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