FastGPT

Open-source AI knowledge base and workflow platform that combines large language models.

Overview

FastGPT is an open-source AI agent and knowledge base platform that enables you to build intelligent applications powered by large language models. It combines retrieval-augmented generation (RAG), data processing, and visual workflow orchestration, making it easy to create AI assistants trained on your own data and tailored to specific use cases.

Key features

Visual workflow builder
Enterprise knowledge base with hybrid retrieval
Multi-model integration
SSO and RBAC support
Pre-built industry templates
Conversation history and audit logs
Web page sync and indexing
Team collaboration features

Pros

Open-source option available
Production-ready architecture
Comprehensive industry solutions included
Strong governance and compliance features
Professional consulting and implementation support
Large active community (28,000+ GitHub stars)

Cons

Pricing in Chinese Yuan may complicate international adoption
Free tier has limited AI credits (100) and knowledge base indexes (600)
Custom edition requires sales contact for pricing

Use this if

You need a production-grade AI agent builder with enterprise features, want to minimize hallucinations through RAG, require compliance and audit controls, or need pre-built solutions for sales, support, or HR automation.

Skip this if

You need a simple chatbot without enterprise requirements, prefer pricing in USD or other major currencies, or want a fully managed service without self-hosting options.

Best for

Building enterprise AI agentsKnowledge base and RAG systemsSales and customer service automationHR and finance process automationTeams needing production-grade AI with compliance controls

Alternatives

LangChainLlamaIndexHugging Face TransformersOpenAI APIAnthropic Claude API

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