FastGPT Review 2026

Knowledge-based platform for building RAG and AI workflows

⭐ 29k+ stars 📜 Apache-2.0 🏷️ agent

Overview

Knowledge-based platform for building RAG and AI workflows

✓ One-click deployment with built-in RAG, visual prompt flow editor, and knowledge base management UI
✓ Supports 10+ LLM providers with OpenAI-compatible API — no vendor lock-in
✓ Visual workflow editor lets non-engineers build and modify AI pipelines without coding

✗ Self-hosted setup requires MongoDB and Docker — adds operational complexity vs hosted alternatives
✗ Knowledge base indexing capped at ~100MB per dataset on free tier — paid plans needed for production data volumes
✗ Primary documentation and community are in Chinese — English support documentation is incomplete

• {'icon': '🧠', 'title': 'Built-in RAG Pipeline', 'desc': 'One-click deployment of retrieval-augmented generation with integrated vector storage, document chunking, and semantic search—no external infrastructure needed.'}
• {'icon': '🔌', 'title': '10+ LLM Provider Support', 'desc': 'Switch between OpenAI, Claude, Llama, and other models via OpenAI-compatible API without rewriting prompts or losing workflow state.'}
• {'icon': '🖱️', 'title': 'Visual Prompt Flow Editor', 'desc': 'Drag-and-drop interface to chain LLM calls, conditionals, and tool invocations—non-engineers can build complex AI workflows without touching code.'}
• {'icon': '📚', 'title': 'Knowledge Base Management UI', 'desc': 'Upload, organize, and manage documents through an intuitive interface with automatic indexing, chunking strategy control, and semantic search preview.'}
• {'icon': '⚙️', 'title': 'Agent Orchestration Framework', 'desc': 'Build multi-step AI agents with tool calling, memory management, and loop control—coordinate complex workflows across APIs and knowledge bases.'}

FastGPT is a strong open-source agent tool with 29k+ GitHub stars. Its large community and active development make it a dependable choice in 2026.

FastGPT is a agent tool with 29k+ GitHub stars. Knowledge-based platform for building RAG and AI workflows

FastGPT is Apache-2.0. Check the official website for current pricing.