Alternatives to Retell AI

Company

Deepgram is an enterprise voice AI platform providing APIs for speech-to-text, text-to-speech, and voice agents, used by over 200,000 developers to build voice-first products.

AI voice conversation platform for large-scale, 24/7 call operations.

Trillet.ai creates cutting-edge multi-modal voice AI solutions for businesses to connect with customers.

AI-powered voice automation platform for businesses to enhance customer interactions and streamline operations.

AI-powered customer support platform that uses autonomous AI agents to resolve complex customer inquiries.

Creates digital twins of leaders and experts for multiplied presence and knowledge sharing.

AI-powered voice agents that are indistinguishable from humans, focusing on mortgage lead qualification and engagement.

AI models for speech-to-text, summarization, and understanding audio content.

Iris Tech develops an AI-powered platform for real-time voice agents, enabling businesses to automate customer interactions.

Bolo AI Copilot for Asset Intelligence transforms how energy companies interact with their data, turning complex asset performance data into instant, actionable insights.

AI voice agents for real-estate outreach, handling natural conversations and booking appointments.

An AI Revenue Operating System that automates lead qualification, follow-up, and appointment booking across channels.

Lionwire develops an AI platform that leverages advanced voice AI to create and deploy autonomous outbound sales and customer engagement agents.

Nimbiq provides an AI-powered platform for real-time voice agents, enabling businesses to automate customer interactions with human-like conversations.

Huum provides an AI-powered platform for real-time voice agents, enabling businesses to automate and enhance customer interactions.

Osilan provides an AI-powered platform for real-time voice agents, enabling businesses to automate and enhance customer interactions.

AI-powered agentic secretary that handles real phone calls simultaneously and provides clear reports.

An AI-powered phone agent platform that automates inbound and outbound calls for businesses.

Zelavox provides advanced AI-driven voice and communication solutions for modern enterprise customer engagement.

Custom AI operating systems and voice agents for small and medium-sized businesses.

Hamsolo is an AI-powered platform that helps businesses automate outbound sales and customer engagement through personalized voice agents.

Kalpi is a voice-first agent operations platform that decomposes goals into structured tasks for AI agents.

Hyperagent is the system of agents that does real work, learns how your organization operates, and deploys across your entire team.

AI receptionist that answers calls and books appointments for local businesses in 60 seconds.

AI receptionist answering calls 24/7 for UK trades and small businesses

Technology matters, but people, relationships, and trust still drive every meaningful system.

Developer platform for building AI-powered voice agents that handle phone calls naturally.

AI-powered voice agent platform for businesses to automate calls, manage customer interactions, and improve efficiency.

Real-time AI voice and video pipelines for developers building voice AI agents.

AI-powered voice operations platform for customer service and sales automation.

Speakfor makes the phone call for you and shows you every word. Approve the plan, we dial, you read the result.

Generative AI for contact centers.

Sierra helps businesses build better, more human customer experiences with AI agents that can understand, reason, and take action across various channels.

AI QA & training platform that reviews 100% of customer conversations to increase CSAT.

Ultravox.ai (formerly Fixie.ai) is building human-like voice AI agents and models for natural, real-time communication.

Aisera delivers an Agentic AI platform leveraging artificial intelligence and machine learning to automate and transform enterprise service desk operations across IT, HR, finance, legal, facilities, and customer service domains.

AI voice agents that conduct sales and payment calls for furniture rental companies.

Customer experience automation platform with email marketing, CRM, and marketing automation.

Enterprise-grade AI agents that automate sales, support, HR, and collections processes via WhatsApp.

Lyzr AI provides a full-stack agent framework and infrastructure for enterprises to build and manage autonomous AI agents.

Truffle AI provides an AI agent development platform that enables businesses to build, customize, and deploy AI agents to automate and unify workflows in minutes.

Ema is a Universal AI Employee platform that provides secure, compliant, and conversational AI agents for enterprises, automating complex workflows across various business functions.

LangGraph is an open-source framework for building, managing, and deploying long-running, stateful agents as graphs.

One control plane for trustworthy enterprise AI — performance, observability, guardrails, and governance across the full lifecycle.

Enterprise AI agent platform for building, operating, and scaling secure AI agents to automate complex business processes.

Voice and agentic AI platform enabling businesses to create conversational experiences.

AI-powered customer service automation platform using agentic AI to resolve customer inquiries.

PolyAI is a leading provider of enterprise AI agents for customer service, specializing in creating the world's most lifelike conversational voice assistants that resolve millions of customer inquiries.

Propane is building the operating system for AI-native Customer Intelligence

No-code AI agent platform for automating business operations like customer support and sales.

AI-powered customer service automation platform for e-commerce and retail brands.

AI voice agents automating outbound healthcare revenue cycle management calls.

An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.

Enterprise-grade conversational AI platform for building intelligent virtual assistants and contact center automation.

White-label AI voice agents and chatbots for automated customer support and task automation.

Open-source AI models for voice synthesis, translation, and TTS.

Visual IDE for programming and deploying AI Agents without writing code.