Vapi suits developer-led teams that want full control and are willing to invest in infrastructure and optimization. telli is designed for enterprise teams that need production-ready voice agents and fast deployment. If reliability, multilingual support, and speed matter more than building from scratch, telli is the better fit.
telli ships production-ready agents you can deploy in days, not weeks.
telli is a platform for teams that want voice agents working at scale without complexity and without the need for technical teams.
telli includes telephony, analytics, compliance, and multilingual performance out of the box. No third-party stitching required.
telli gives you reliability, consistent call quality, and real business results at scale.
They can't or don't want to dedicate developer resources to voice AI
They need consistent call quality without constant tuning
They want strong performance beyond English
They want a working platform not just a toolkit
Disclaimer:
The Information are gathered from publicly available sources (including company websites, pricing pages, and public documentation) as of January 2026. While we strive to keep this information accurate and up-to-date, software features and pricing change frequently. This comparison is intended for informational purposes only and does not constitute legal or professional advice. All trademarks and registered trademarks are the property of their respective owners and are use for identification purposes only. Spot an error? Please let us know at support@telli.com
No. telli’s AI voice agents are designed to sound natural, human-like, and conversational. Our customers consistently report that callers don’t realize they’re speaking with AI — and many find it hard to believe even after being told. The result is a smooth, engaging experience that feels like talking to a real person.
Yes. telli includes a powerful prompt editor that allows you to refine responses, workflows, and conversation logic. You can adjust tone, instructions, and behavior to match your brand and operational needs — or our team can help you do so. Continuous optimization helps your AI voice agents become smarter, more accurate, and more aligned with your customer experience goals.
Yes. telli is built with strict security and privacy standards, including HIPAA, GDPR, and SOC 2 compliance. All data is encrypted, access is tightly controlled, and processes are audited regularly. This ensures customer information remains secure and that your business meets regulatory obligations without additional effort.
Tell us a bit about your use case and team. We’ll help you understand how our voice AI fits your requirements.