8 Best FastGPT Alternatives in 2026 (Open Source)

FastGPT — AI agent building platform with data processing, model invocation, visual workflows, and Docker deployment. Provides a visual workflow orchestration system specifically for building and deploying AI agents.

Short answer

  • Closest match to FastGPT: Dify.
  • Most actively developed: Dify (2,338 commits in the last 90 days).
  • Fastest growing: Dify (+3,652 GitHub stars in the last 30 days).
  • No commit in 6+ months: iX and AgentPilot.

These 8 open-source tools do the same job. They are ordered by how closely they match FastGPT, with live GitHub data so you can see which projects are actively maintained.

ToolGitHub starsStars / 30dLast commit
FastGPT(original)29.8k+1052026-10-01
Dify157.7k+3,6522026-10-02
Langflow155.5k+1,4522026-10-01
Bisheng12.0k+602026-09-23
Flock1.1k+42026-07-06
coze-studio21.7k+602026-07-29
iX1.0k02024-03-03
Ekko Studio11.3k+3452026-10-02
AgentPilot568+52025-05-15
  1. 1. Dify

    Production-ready platform for agentic workflow development.

    What sets it apart: Unlike LangGraph (code-first orchestration), Dify offers a complete visual IDE combining workflow builder, RAG pipeline, prompt engineering, and production monitoring in one platform — the Vercel of LLM apps

    Best for: Teams building RAG-powered chatbots and AI apps with visual workflow and no backend coding; Product teams who need LLMOps monitoring alongside app development in one platform

  2. 2. Langflow

    Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

    What sets it apart: Best visual builder for LLM workflows with direct MCP server deployment — more production-ready than Flowise with API-first architecture

    Best for: Rapid prototyping of AI agent workflows with visual builder; Non-developers building LLM applications without coding

  3. 3. Bisheng

    Open LLM application DevOps platform for enterprise workflows, RAG, and agents

    What sets it apart: Embeds domain expert preferences and business logic into AI agents via the Agent Guidance Language (AGL) framework for expert-level task handling.

    Best for: Building complex enterprise AI applications; Multi-agent collaboration scenarios; Workflows requiring human-in-the-loop intervention

  4. 4. Flock

    Desktop multi-agent harness with visual workflows, built with Rust, Tauri, React, and langgraph-rust

    What sets it apart: vs Dify/Flowise: native human-in-the-loop approval, subgraph nodes for modular reuse, and MCP protocol support for flexible tool integration

    Best for: Teams building conversational AI with visual workflow design; Organizations needing human-in-the-loop agent workflows

  5. 5. coze-studio

    Open-source visual platform for creating, debugging, and deploying AI agents with no-code or low-code tools

    What sets it apart: Fully open-source core engine derived from an enterprise platform serving millions of developers.

    Best for: developers building AI agents visually; low-code AI product development; enterprises customizing agent business logic

  6. 6. iX

    Autonomous GPT-4 agent platform

    What sets it apart: vs LangChain/AutoGen: visual no-code drag-and-drop editor with native multi-agent orchestration and horizontal worker scaling — design complex agent workflows visually instead of writing code

    Best for: Building custom multi-agent teams with visual no-code editor; Rapid prototyping of AI workflows without coding; Organizations needing self-hosted parallel agent execution at scale

  7. 7. Ekko Studio

    Ekko Studio is a local-first AI workspace for multi-agent chat, coding, and visual workflows, available on desktop and the web.

    What sets it apart: Combines local-first multi-agent runtime management with visual workflow automation across seven different agent frameworks in one workspace.

    Best for: developers building multi-agent systems; teams needing local-first agent workspaces; visual workflow automation for AI agents

  8. 8. AgentPilot

    A versatile workflow automation platform to create, organize, and execute AI workflows, from a single LLM to complex AI-driven workflows.

    What sets it apart: vs ChatGPT/Claude desktop: local multi-agent workflow builder with graph-based design, 20+ LLM providers via LiteLLM, branching chats, and built-in multi-language code interpreter

    Best for: Power users building complex multi-agent workflows on desktop; Developers wanting visual graph-based agent orchestration with code execution

FAQ

What are the best alternatives to FastGPT?
The closest open-source alternatives to FastGPT are Dify, Langflow and Bisheng, followed by Flock, coze-studio and iX. They are ranked by how closely they match what FastGPT does.
Which FastGPT alternative is the most popular?
Dify has the most GitHub stars among FastGPT alternatives, with 157,730 stars.
Which FastGPT alternative is the most actively maintained?
By recent activity, Dify (2,338 commits in the last 90 days) is the most actively developed alternative.