TOOLS
FastGPT
Open-source RAG knowledge-base + agent platform from a China team
Part of this entry was LLM-drafted and is being polished.
FastGPT is an open-source LLM-app platform built by a mainland China team (LabRing). It focuses harder on RAG knowledge-base quality than Dify — chunking strategies, hybrid search (BM25 + vector), reranking models are all configurable in the UI. Visual workflow editor for multi-turn agents. Free self-hosted (Apache 2.0); paid cloud SaaS at fastgpt.in / fastgpt.cn. Big in mainland China enterprise teams that need on-prem RAG.
Editor's verdict
If RAG quality is your bottleneck — long PDFs, technical docs, real customer-support knowledge bases — FastGPT's tunable retrieval config is genuinely a step ahead of Dify and Coze defaults. The trade-off is operational complexity: you'll spend time tweaking chunk sizes and reranker thresholds. For a quick chatbot, Coze is faster. For 'we need RAG that actually works in production', FastGPT.
Use cases
- 打造企業 RAG 知識庫
- 客服機器人
- 技術文件問答
- 多輪對話流程
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Last updated: 2026-04-29