In this video, we compare two leading conversational AI platforms: Retell AI and VAPI. From Alt Capital-backed Retell AI to VAPI’s robust APIs, we dive into key features like pricing, latency, fine-tuned voices for calls, and SIP trunking. Learn what platform best fits your AI Voice Agent needs.
Note: This video is sponsored by Retell AI. However, the review is entirely honest and unbiased, offering a fair comparison of both platforms. Retell AI did not review or influence the footage prior to publication.
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Timeline:
00:00 - Intro
00:53 - Background
02:37 - Vapi Platform Walkthrough
12:00 - Retell AI Platform Walkthrough
22:50 - Vapi Telephony
23:39 - Retell AI Sip Trunking + Spam Call Remediation
27:00 - Call Concurrency Comparison
28:00 - Latency Comparison
31:30 - Vapi Tool / Function Calling
34:03 - Retell AI Tool / Function Calling
35:21 - Retell AI Multi-turn Prompting + Vapi Blocks
37:00 - API Framework Comparison
42:12 - Conclusion
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Resources Mentioned 📎:
Retell AI - https://dashboard.retellai.com//?ref=jonas
Vapi - https://vapi.ai/?aff=jonas
Instrumental / @chukibeatz