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Head-to-head · AI Agent Platforms

Google Agent Development Kit vs Langflow

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Google Agent Development Kit #4 in AI Agent Platforms 9.1/10 Free plan Free plan✓ 5 of 5 features Visit Google ADK
Langflow #8 in AI Agent Platforms 8.7/10 Free plan Free plan✓ 5 of 5 features Visit Langflow

Google Agent Development Kit leads on 0 checks, Langflow on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGoogle Agent Development Kit · 9.1/10
  • Free planboth

Google Agent Development Kit scores higher on our rubric for ai agent platforms: 9.1 against 8.7 out of 10; our editors rank them #4 and #8.

Google Agent Development Kit is the better fit for developers building flexible open-source agents. Langflow is the better fit for open-source teams needing visual agent workflows.

  • Google Agent Development Kit fits best

    Developers building flexible open-source agents

  • Langflow fits best

    Open-source teams needing visual agent workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Google Agent Development Kit 9.1/10 Visit ↗ Langflow 8.7/10 Visit ↗
At a glance
Editor score 9.1 8.7
Ranking #4 in AI Agent Platforms #8 in AI Agent Platforms
Best for Developers building flexible open-source agents Open-source teams needing visual agent workflows
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted, Desktop
Platforms Web Web, Windows, macOS, Linux
Support Community, Docs Community, Docs
Integrations 8 integrations 12 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Google Agent Development Kit 5/5 · Langflow 5/5
Visual agent builder ✓ ✓
Multi-agent support ✓ ✓
Knowledge grounding ✓ ✓
Voice agent support ✓ ✓
Human handoff ✓ ✓
Specs
Deployment model Both Both
Our review
Pros
  • Supports code-first development in Python, TypeScript, Go, and Java
  • Combines multi-agent workflows with voice, multimodal input, and grounding
  • Deploys locally, in containers, or across Google Cloud targets
  • Visual builder supports agents, tools, models, outputs, and multi-agent flows
  • Open-source deployment across local environments, Docker, Kubernetes, and cloud
  • Broad integrations for models, vector stores, productivity tools, and APIs
Cons
  • The drag-and-drop visual workflow builder is experimental
  • Model, Agent Runtime, and Google Cloud usage may add separate charges
  • Its developer-focused approach may not suit no-code-first teams
  • Voice mode is not available in Langflow Desktop
  • Python-powered workflows may suit developers more than nontechnical teams
  • Provider integrations are delivered through installable extensions
Our verdict

Google Agent Development Kit is an open-source framework for developers creating AI agents and multi-agent applications. It supports code-first development in Python, TypeScript, Go, and Java, while also providing a development web…

Read the review →

Langflow is a visual, Python-powered platform for building, testing, and deploying AI agents and LLM applications. It is aimed at open-source teams and developers that want to compose workflows visually while retaining deployment…

Read the review →
  1. Google Agent Development KitAI Agent Platforms 9.1Free plan
  2. LangflowAI Agent Platforms 8.7Free plan

Strengths and trade-offs

  • Google Agent Development Kit — where it wins

    • Supports code-first development in Python, TypeScript, Go, and Java
    • Combines multi-agent workflows with voice, multimodal input, and grounding
    • Deploys locally, in containers, or across Google Cloud targets

    Where it doesn't

    • The drag-and-drop visual workflow builder is experimental
    • Model, Agent Runtime, and Google Cloud usage may add separate charges
    • Its developer-focused approach may not suit no-code-first teams

  • Langflow — where it wins

    • Visual builder supports agents, tools, models, outputs, and multi-agent flows
    • Open-source deployment across local environments, Docker, Kubernetes, and cloud
    • Broad integrations for models, vector stores, productivity tools, and APIs

    Where it doesn't

    • Voice mode is not available in Langflow Desktop
    • Python-powered workflows may suit developers more than nontechnical teams
    • Provider integrations are delivered through installable extensions
  • Google Agent Development Kit9.1/10 · Free plan

    A flexible, code-first framework for developers building multi-agent systems.

    Visit Google ADKFull verdict →
  • Langflow8.7/10 · Free plan

    A flexible visual builder for teams that need open-source agent workflows and deployment choice.

    Visit LangflowFull verdict →

More comparisons

All AI agent platforms comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update