Chai vs Retell AI
Chai and Retell AI are both Conversational AI tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Chai | Retell AI |
|---|---|---|
| Vendor | Chai Research | Retell AI |
| Rating | ★ 4 | ★ 4.5 |
| Pricing | Freemium | Pay-as-you-go |
| Platforms | iOS, Android | API, Web |
| Key features | Thousands of community companions, Mobile-first experience, Character discovery feed | Low-latency voice with barge-in, Phone and web voice agents, LLM plus telephony plumbing |
| Headquarters | Remote / USA | San Francisco, USA |
| Founded | 2021 | 2023 |
| Open source | No | No |
Key differences
- Retell AI has a higher user rating (4.5★ vs 4★).
- Chai is Freemium, while Retell AI is Pay-as-you-go.
- Chai runs on iOS, Android; Retell AI runs on API, Web.
Frequently asked questions
Is Chai or Retell AI better?
By user rating, Retell AI scores higher (4.5★ vs 4★). Both are capable Conversational AI tools, so review the feature comparison for your use case.
Which is cheaper, Chai or Retell AI?
Chai is Freemium and Retell AI is Pay-as-you-go. Check each product page for current plan details.
Are Chai and Retell AI open source?
No — neither Chai nor Retell AI is open source.