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Head-to-head · LLM Application Development Frameworks

Apache Burr vs Flowise

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Apache Burr #6 in LLM Application Development Frameworks 8.8/10 Free plan Free plan✓ 3 of 5 features Visit Apache Burr
Flowise #8 in LLM Application Development Frameworks 8.6/10 Free plan · paid from $35/mo Free plan✓ 0 of 5 features Explore Flowise

Apache Burr leads on 3 checks, Flowise on 0, and 2 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreApache Burr · 8.8/10
  • Free planboth
  • Most featuresApache Burr · 3 of 5

Apache Burr scores higher on our rubric for llm application development frameworks: 8.8 against 8.6 out of 10; our editors rank them #6 and #8.

Apache Burr offers rag support; Flowise doesn't publish it. Apache Burr offers agent and tool use; Flowise doesn't publish it. Apache Burr offers workflow graphs; Flowise doesn't publish it.

Apache Burr is the better fit for stateful, inspectable workflow applications. Flowise is the better fit for reviewing or maintaining existing Flowise projects.

  • Apache Burr fits best

    Stateful, inspectable workflow applications

  • Flowise fits best

    Reviewing or maintaining existing Flowise projects

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Apache Burr 8.8/10 Visit ↗ Flowise 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #6 in LLM Application Development Frameworks #8 in LLM Application Development Frameworks
Best for Stateful, inspectable workflow applications Reviewing or maintaining existing Flowise projects
Pricing model Free Free plan + paid
Starting price Not published $35/mo
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Cloud, Self-hosted
Platforms Linux, macOS, Windows Web
Support Community, Docs Community, Docs, Email
Integrations 15 integrations 6 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Apache Burr 3/5 · Flowise 0/5
RAG support ✓ (best) Not published
Agent and tool use ✓ (best) Not published
Workflow graphs ✓ (best) Not published
Prompt optimization Not published Not published
JavaScript/TypeScript SDK — Not published
Specs
Primary language Python Not published
Open-source license Apache-2.0 Not published
Our review
Pros
  • Immutable state, persistence, and resumable human-input pauses
  • Parallel actions and branches support complex workflows
  • Burr UI exposes execution telemetry for inspection and debugging
  • Visual builders cover assistants, chatflows, and agentflows
  • Supports retrieval, coordinated agents, approvals, and execution traces
  • Offers APIs, SDKs, CLI, and embedded chat
Cons
  • Python-focused; no official JavaScript or TypeScript SDK is identified
  • Requires developers to implement LLM calls within actions
  • Fewer ready-made model integrations and agent capabilities than some alternatives
  • Feature development ceased and the repository was archived in 2026
  • Official core-team operations ended on August 31, 2026
  • Integration descriptions name broad categories rather than specific products
Our verdict

Apache Burr is an open-source Python framework for building applications from actions, transitions, and explicit state. It is aimed at developers orchestrating chatbots, agents, conversational retrieval workflows, and other applications…

Read the review →

Flowise was an open-source framework for building AI agents, chatbots, and LLM workflows with visual tools. Its Assistant, Chatflow, and Agentflow builders were aimed at developers and teams who wanted to assemble workflows visually while…

Read the review →
  1. Apache BurrLLM Application Development Frameworks 8.8Free plan
  2. FlowiseLLM Application Development Frameworks 8.6Free plan · paid from $35/mo

Strengths and trade-offs

  • Apache Burr — where it wins

    • Immutable state, persistence, and resumable human-input pauses
    • Parallel actions and branches support complex workflows
    • Burr UI exposes execution telemetry for inspection and debugging

    Where it doesn't

    • Python-focused; no official JavaScript or TypeScript SDK is identified
    • Requires developers to implement LLM calls within actions
    • Fewer ready-made model integrations and agent capabilities than some alternatives

  • Flowise — where it wins

    • Visual builders cover assistants, chatflows, and agentflows
    • Supports retrieval, coordinated agents, approvals, and execution traces
    • Offers APIs, SDKs, CLI, and embedded chat

    Where it doesn't

    • Feature development ceased and the repository was archived in 2026
    • Official core-team operations ended on August 31, 2026
    • Integration descriptions name broad categories rather than specific products

More comparisons

All LLM application development frameworks comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update