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Flowise

Flowise is an open-source visual builder for creating LLM applications and AI agents using a drag-and-drop interface

Updated Jun 2026· 80/100
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Free plan API Self-hosted

About Flowise

Flowise is an open-source visual builder for creating LLM applications and AI agents using a drag-and-drop interface. Built on LangChain, it's designed for developers and teams who want to build AI workflows without extensive coding. The platform offers both self-hosted and cloud options, with a free tier available.

Flowise is an open-source platform for building AI agents and LLM applications through a visual, drag-and-drop interface. Positioned as an agentic systems development platform, it allows users to create custom AI workflows, RAG (Retrieval-Augmented Generation) systems, and conversational agents without deep coding expertise. The tool is built on LangChain and offers flexibility through both self-hosted deployment and cloud hosting options. Used by teams at AWS, Accenture, and Priceline, Flowise has gained traction in the developer community with around 30,000 GitHub stars. The platform emphasizes open-source transparency and infrastructure control, making it particularly appealing to ML engineers and Python developers who need customizable AI agent orchestration.

Pros & cons

Pros

  • Open-source with self-hosting option, giving full control over infrastructure and data
  • Visual drag-and-drop interface makes LLM workflow building accessible without extensive coding
  • Strong focus on RAG systems and agent orchestration with LangChain integration
  • Active community with around 30,000 GitHub stars and adoption by enterprise teams (AWS, Accenture, Priceline)

Cons

  • Tends to output English responses even when input documents are in other languages, according to user reports
  • Relatively stable GitHub growth compared to competitors like Dify (58,000 stars) and Langflow (42,000 stars)
  • Requires some foundational knowledge in JavaScript and Python to unlock full development capabilities

Pricing plans

Free
$0 / month
  • 2 flows
  • 100 predictions per month
  • Self-hosted option available
Starter
$35 / month
  • Unlimited flows
  • 10,000 predictions per month
  • Cloud hosting included

Key features

Api
Self Hosted

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Pricing
Freemium
Freemium
Freemium
Free plan
Yes
Yes
Yes
Free trial
No
No
No
API
Yes
—
Yes
Self-hosted
Yes
No
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Team support
—
Yes
Yes

Frequently asked questions

Is Flowise free?+

Yes, Flowise offers a free plan for both self-hosted deployment and cloud hosting. The Free Cloud plan includes 2 flows and 100 predictions per month. For unlimited usage, the Starter plan costs $35/month with unlimited flows and 10,000 predictions per month.

What does Flowise integrate with?+

Flowise is built on LangChain and supports LLM integrations, vector databases like Pinecone, and offers API access to run flows and AI assistants. Specific integration details beyond LangChain components were not extensively documented in our research — check the official documentation for the complete list.

How does Flowise compare to alternatives?+

Flowise is open-source and optimized for flexible LLM chaining and RAG systems, while alternatives like Voiceflow focus on hosted conversation design with richer collaboration features. Compared to Langflow (42,000 GitHub stars) and Dify (58,000 stars), Flowise has around 30,000 stars but offers a clearer UI and greater out-of-the-box range according to user reviews. It's best for teams prioritizing self-hosting and infrastructure control over managed services.

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