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Google ADK Alternatives

5 alternatives to Google ADK — free and paid AI coding tools covering similar jobs, with pricing and standout strengths.

Looking for a Google ADK alternative? Google ADK is listed under SDK (open source). The 5 tools below cover similar jobs, closest matches first — the table compares pricing, license, and platforms so you can shortlist quickly, and each entry further down adds a fuller summary and a link to the full profile.

ToolPricingLicensePlatformsCategory
AutoGen (AG2)open sourceMIT—SDK
CrewAIopen sourceMIT—SDK
LangGraphopen sourceMIT—SDK
OpenAI Agents SDKopen sourceMIT—SDK
Pydantic AIopen sourceMITmacOS, Windows, LinuxSDK

Google ADK alternatives in detail

  1. AutoGen (AG2)

    open sourceMITSDK

    AutoGen pioneered the conversational multi-agent pattern: agents (and humans) collaborate by passing messages, including group chats and a code-executing agent. It originated at Microsoft Research; AG2 is the community-driven fork that continues that lineage. Both are open source.

  2. CrewAI

    open sourceMITSDK

    CrewAI orchestrates multiple agents as a 'crew' with roles, goals, and tasks — a high-level, fast-to-start abstraction for collaborative multi-agent work. It also offers Flows for event-driven, more deterministic control when you need it. Standalone and independent of LangChain.

  3. LangGraph

    open sourceMITSDK

    LangGraph models an agent as an explicit state graph of nodes and edges, trading some abstraction for control. Its built-in persistence (checkpointing), human-in-the-loop interrupts, and streaming make it a common choice for production agents that need to be debuggable and resumable.

  4. OpenAI Agents SDK

    open sourceMITSDK

    OpenAI's open-source Agents SDK is a small, unopinionated framework for building agents: a core agent loop plus handoffs (delegation between agents), guardrails (input/output validation), sessions (memory), and built-in tracing. The production-grade successor to Swarm; works with non-OpenAI models too.

  5. Pydantic AI

    open sourceMITmacOS, Windows, LinuxSDK

    Pydantic AI (MIT, ~18k stars, v1 GA September 2025) brings the Pydantic team's type discipline to agents: outputs validated against your models so errors move from runtime to write-time, type-safe dependency injection for tools, the broadest model-agnostic provider list, durable execution via Temporal/DBOS/Prefect/Restate, and MCP/A2A interop.