9.0
Spot Score
Flowise Reviews in July 2026: User Ratings, Pros & Cons
Open-source visual drag-and-drop builder for LLM apps, RAG pipelines, and AI agents
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Starts from Free / free, also offers free forever plan
Flowise Reviews & Ratings
Spotsaas Editor’s POV
Flowise has earned its 28k+ GitHub stars by making LLM application development genuinely accessible to non-engineers. The visual canvas approach is well-suited for the current phase of AI adoption where product teams want to experiment with AI applications without waiting for developer bandwidth. The trade-offs are real: visual flows are harder to test, version, ...Read more
Flowise pros and cons
28,000+ GitHub stars — the most popular open-source visual LLM builder, with extensive community templates and a large pool of available help.
Drag-and-drop canvas makes RAG pipeline construction accessible to non-engineers and product teams who would otherwise wait for developer bandwidth.
Self-hosted Apache 2.0 license means internal AI tools and sensitive RAG pipelines can run on company infrastructure without external data exposure.
Embeddable chat widget deploys a finished chatbot directly to any website with a single JavaScript snippet — from flow to deployed chatbot in minutes.
Visual builders produce harder-to-version-control and harder-to-test flows than code — teams with mature CI/CD practices may prefer code-first frameworks.
Complex logic (conditionals, loops, error handling) is harder to express visually than in code — very sophisticated workflows often require code customization anyway.
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].