Dify vs Relay
A side-by-side comparison of two chatbots & assistants options — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Verdict
Relay leads for users needing a free, no-setup AI phone receptionist that connects to existing booking systems without migration or prompt work, though it depends on Retell AI and may escalate calls. Dify leads for those seeking an open-source platform to build and scale AI agents with workflows via web or API, backed by community contributions and an intuitive interface, but requires contacting sales for enterprise options and relies on external LLMs. Both are rated new and lack direct overlap in core function.
Dify vs Relay: side by side
| Spec | Dify | Relay | Winner |
|---|---|---|---|
| Pricing | Open Source | Free | Tie |
| Platforms | Web, API | Web | Tie |
| Category | Chatbots & Assistants | Chatbots & Assistants | Tie |
| Rating | New | New | Tie |
| Plans | 2 tiers | 1 tiers | Tie |
Dify
Pros
- +Open source with active community and GitHub contributions
- +Intuitive interface enabling rapid deployment and accessibility for beginners
- +Scalable, stable and secure infrastructure
Cons
- –Enterprise features require contacting sales
- –Dependent on external LLM providers for full functionality
Relay
Pros
- +No prompt engineering or dashboards required
- +Works with existing booking systems without migration
Cons
- –Depends on third-party Retell AI for calls
- –May transfer calls to humans when out of depth
Frequently asked questions
Neither is universally better; Relay suits phone receptionist tasks with free access and booking integration, while Dify suits building AI agents with open-source scalability.