Agent Framework

Google ADK vs LangGraph: Which is Better in 2026?

Choosing between Google ADK and LangGraph? Both are popular agent framework tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Quick verdict

Both Google ADK and LangGraph are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.

Google ADK vs LangGraph — Side by Side

Google ADKLangGraph
CategoryAgent FrameworkAgent Framework
PricingFreeFree
Starting priceFree tier availableFree tier available
Free tier
Best forAgent Framework — ai, llmAgent Framework — ai, llm

Pros & Cons

Google ADK
Google ADK
  • Deep GCP / Vertex AI integration
  • Strong multi-agent support
  • Model-agnostic via LiteLLM
  • Backed by Google
  • Best value tied to Google Cloud
  • Younger ecosystem than LangChain
LangGraph
LangGraph
  • Fine-grained agent control
  • Great for complex multi-step flows
  • Open-source
  • Integrates with LangChain & LangSmith
  • Steeper learning curve
  • Newer than core LangChain

Choose Google ADK if…

you want a free tier to start, and Google ADK Google's open-source Agent Development Kit — multi-agent systems optimized for Gemini and Vertex AI, model-agnostic via LiteLLM.

Google ADK review & pricing

Choose LangGraph if…

you want a free tier to start, and LangGraph Open-source library for building stateful, multi-step agent workflows as graphs — with a managed platform option.

LangGraph review & pricing

Frequently Asked Questions

Is Google ADK better than LangGraph?⌄

Both Google ADK and LangGraph are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.

What is the difference between Google ADK and LangGraph?⌄

Google ADK — Google's open-source Agent Development Kit — multi-agent systems optimized for Gemini and Vertex AI, model-agnostic via LiteLLM. LangGraph — Open-source library for building stateful, multi-step agent workflows as graphs — with a managed platform option. Both are agent framework tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

Google ADK vs LangGraph: which is cheaper?⌄

Google ADK pricing: Free. LangGraph pricing: Free. Confirm current pricing on each tool's official site, as plans change.

See more options in our guide to the best agent framework tools for startups.

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