Coze vs Dify vs FastGPT: Which Is Better and How to Choose?
Today, AI Agents technology is developing rapidly, and Coze, Dify, and FastGPT are three representative ai agent development platforms. Each has its own technical advantages and applicable scenarios, attracting numerous developers. However, faced with feature-rich and technically different platforms, users don't know which one is better, leading to confusion about how to choose. This article provides an in-depth comparison of these three platforms from multiple perspectives including features, applicable scenarios, pros and cons, and selection methods, helping developers find the AI agent platform that best suits their needs.

Platform Overview
| Platform | Overview |
|---|---|
| Coze | An AI chatbot development platform under ByteDance, offering a quick and easy-to-use chatbot building solution, supporting domestic large model engines such as Doubao AI, suitable for end users. |
| Dify | An open-source large language model (LLM) application development platform that combines Backend-as-a-Service (BaaS) and LLMOps concepts, supporting multiple large models, suitable for internationalized applications. |
| FastGPT | An open-source AI knowledge base Q&A system that supports multiple mainstream models, provides powerful knowledge base construction and workflow orchestration features, suitable for enterprise-level users. |
Feature and Characteristic Comparison
| Feature Dimension | Coze | Dify | FastGPT |
|---|---|---|---|
| Large Model Access | Supports domestic models (Doubao AI, Zhipu AI, etc.), with simple configuration | Supports multiple models (OneAPI, Ollama, etc.), with flexible configuration | Supports mainstream models, compatible with OneAPI, some niche models require manual configuration |
| Application Publishing | Simple publishing process but fewer feature options, suitable for beginners | Complex publishing process but feature-rich, suitable for specific needs | Simple publishing process, supports multi-platform integration |
| Knowledge Base Features | Supports web pages and Feishu data synchronization, excellent support for tables and image formats | Supports Notion data synchronization, diverse segmentation and indexing methods | Supports multiple text formats and web content import, powerful intelligent training mode |
| Workflow Orchestration | Fewer node types, easy to operate, suitable for beginners | Rich node types, supports LLM dialogue configuration and knowledge base retrieval | Rich node types, supports AI dialogue, knowledge base search, tool calling, etc. |
Applicable Scenarios
| Platform | Applicable Scenarios |
|---|---|
| Coze | Suitable for end users and small enterprises to create simple customer service bots or personal entertainment chatbots. |
| Dify | Suitable for internationalized applications, enterprises that need access to multiple models and complex business logic. |
| FastGPT | Suitable for enterprise-level users who need to efficiently build and optimize knowledge bases and handle complex Q&A processes. |
Advantages and Limitations
| Platform | Advantages | Limitations |
|---|---|---|
| Coze | High user-friendliness, rich plugin resources, suitable for quick start | Relatively basic features, limited model selection |
| Dify | Low development threshold, supports multiple models, suitable for internationalized applications | Relatively low operational efficiency, complex publishing process |
| FastGPT | Powerful knowledge base construction, flexible workflow orchestration, suitable for complex Q&A | Complex configuration, high technical requirements |
How to Choose
Choose Coze: If you need to quickly build a simple chatbot and primarily target domestic users, Coze is a good choice.
Choose Dify: If you need flexible access to multiple models and have requirements for internationalized applications, Dify is more suitable.
Choose FastGPT: If you need to efficiently build a knowledge base, handle complex Q&A processes, and have high customization requirements, FastGPT is the best choice.
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