Retell AI

Name: Retell AI
Brand: Retell AI

Real-time AI telephony: Build, test, and scale your intelligent voice agents for inbound and outbound.

Retell AI is a leading platform for creating lifelike AI voice agents for customer service.

BenchTrust Score:51/100

Independent B2B performance index (0–100 points). It is calculated mathematically and without subjective influence from four verified pillars: company stability, aggregated feedback from publicly available online sources, documented compliance certifications, and operational transparency. Comparable with other software providers.

BenchTrust Index weighting: Company stability 25 points · Customer reviews 30 points · Compliance & security 25 points · Transparency 20 points. Without reviews a neutral average is used; a few reviews move it only slightly

Review data basis: G2 (2638), Trustpilot (816)

BenchTrust takes the average rating and review count from the review platforms listed. BenchTrust does not itself verify whether individual reviews come from actual customers; according to the platforms, they apply their own verification procedures.

Overview

Retell AI is an innovative technology platform founded in 2023 and headquartered in Redwood City, California, specializing in the development and deployment of highly sophisticated AI voice agents. The platform enables companies and contact centers to build, test, and scale lifelike, intelligent voice bots for inbound and outbound operations. A standout feature of Retell AI is its extremely low latency, averaging just 800 milliseconds, which allows for virtually delay-free, natural conversations. The solution is robust against background noise and can dynamically handle interruptions in the flow of conversation. In addition to a powerful REST API, Retell AI offers an intuitive no-code dashboard for configuring rules, voices, tonalities, and escalation paths. The platform integrates seamlessly into existing telephony infrastructures via SIP trunking or through providers like Twilio. It also supports connections to CRM and helpdesk systems to utilize customer data in real time. In addition to telephony, the platform now covers channels such as chat, email, and SMS. Billing is flexible on a pay-as-you-go model based on conversation minutes used, without rigid platform or licensing fees.

Core features

Platform to build, test, deploy, and monitor production-ready AI voice agents.Core

Support for AI voice and chat agents with integrated telephony, prompts, tools, and analytics.

AI call center software for inbound and outbound telephony with sub-second latency.

No-code dashboard and voice agent API for configuring rules, voice, tone, and escalation.

Integration into existing support phone lines via SIP trunking and provisioning of custom numbers.

Direct audio integration with Twilio and open-source web frontend for voice interactions.

Pay-as-you-go pricing for voice based on minutes used, without platform fees or seat licenses.

Average response times of around 800 ms for human-like voice interactions.

Compliance & security

No verified certifications (such as ISO 27001 or SOC 2) are currently listed for this provider. Information about compliance with standards such as GoBD or GDPR may still be available.

Ask the AI assistant on this page for current compliance and security details. It researches live information from publicly available sources.

Contact the provider

www.retellai.com

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💬 Customer feedback summary

80% mention this

User-friendliness & setup

75% mention this

Voice quality & natural conversation

70% mention this

Integration & technical flexibility

65% mention this

Performance & latency in voice streams

Summary of customer feedback

Retell AI is rated very positively overall in user reviews: the user-friendly interface, fast setup, high voice quality, low latency, and integration options for various business workflows are particularly highlighted. Critical points mainly concern the sometimes complex setup for advanced use cases, limited features for non-technical teams, the perceived price for small and medium-sized teams, as well as support and documentation topics. This makes Retell AI particularly suitable for tech-savvy B2B companies and developer teams looking for a flexible, production-ready voice AI infrastructure and willing to invest in configuration and ongoing optimization.

AI-generated summary

📰 News & community feedback

🚀 Product updates & press releases

Retell AI has announced significant updates to its conversational AI platform, focusing on ultra-low latency and improved developer APIs. By introducing advanced language models and enhanced CRM integrations, the company is increasingly targeting B2B customers in customer service and sales. In addition, important steps have been taken to comply with security standards such as HIPAA compliance, enabling deployment in the US healthcare sector.

•Product Release: Introduction of an advanced voice engine with sub-800 millisecond latency for smooth, lifelike phone conversations.
•Security & Compliance: Achievement of HIPAA compliance, allowing the technology to be securely deployed in the highly regulated healthcare sector.
•Target Groups & Integrations: New interfaces to popular CRM systems like Salesforce and HubSpot make it easier for B2B sales teams to automate customer calls.
•Global Expansion: Expansion of language support to multiple international languages to tap into global markets and multilingual customer service centers.

Source: Publicly available product updates or press releases from Retell AI.

🎬Videos & screenshots

See Retell AI in action

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How to use Live Monitoring with Retell AI

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