Dify vs Retell AI
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both Dify and Retell AI are credible AI agents tools, and the right pick comes down to your priorities.
Dify - Open-source LLM app development platform.
Retell AI - Build AI voice agents for phone calls.
Dify vs Retell AI: side by side
| Dimension | Dify | Retell AI |
|---|---|---|
| Starting price | Free - $59/mo | Free |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Usage-based |
| Best for | Developers, Smb | Developers, Smb, Enterprise |
| Platforms | Self Hosted, Web, API | API, Web |
| Rating | 4.5/5 | 4.5/5 |
Dify key facts
- Vendor
- Dify
- Pricing
- Freemium - Free - $59/mo
- Free tier
- Yes
- Platforms
- Self Hosted, Web, API
- Best for
- Developers, Smb
- Editor rating
- 4.5 / 5
- Founded
- 2023
- Headquarters
- San Francisco, CA, USA
Retell AI key facts
- Vendor
- Retell AI
- Pricing
- Usage-based - Free
- Free tier
- Yes
- Platforms
- API, Web
- Best for
- Developers, Smb, Enterprise
- Editor rating
- 4.5 / 5
- Founded
- 2023
- Headquarters
- San Francisco, CA, USA
Frequently asked questions
Is Dify better than Retell AI?
Neither is universally better - Dify edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Dify or Retell AI cheaper?
Dify is the more affordable of the two to get started, at free - $59/mo. Dify starts at free - $59/mo; Retell AI starts at free.
Can Dify replace Retell AI?
Yes for most teams - both are AI agents tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.
Side-by-side software breakdowns and pricing changes - in your inbox monthly.