Best AI Voice Agents

LumenVox

Transforming customer engagement with AI-driven speech recognition and voice authentication technology. We’ve spent the last 20 years empowering our partners’ success through collaboration. Our curiosity keeps us innovating for the next 20. Our flexible speech-enabling technology enables you to build a solution that fulfills all your customers’ demands, affordably and reliably. We do one thing, and we do it well. And that's speech-enabling your applications. Finally, deliver great voice automation and interactions. Whether short and simple commands, or conversational questions, LumenVox ASR and TTS is accurate and affordable, helping you improve efficiencies on both sides of the phone line. You’ll never repeat yourself again. We provide you with the utmost flexibility from a capabilities, deployment and monetization perspective. If you can think it, you can build it with LumenVox. Shorten your development to deployment time with our easy, intuitive technology and toolsets.

55 Ratings

View Software

Dialogflow

Google

Dialogflow from Google Cloud is a natural language understanding platform that makes it easy to design and integrate a conversational user interface into your mobile app, web application, device, bot, interactive voice response system, and so on. Using Dialogflow, you can provide new and engaging ways for users to interact with your product. Dialogflow can analyze multiple types of input from your customers, including text or audio inputs (like from a phone or voice recording). It can also respond to your customers in a couple of ways, either through text or with synthetic speech. Dialogflow CX and ES provide virtual agent services for chatbots and contact centers. If you have a contact center that employs human agents, you can use Agent Assist to help your human agents. Agent Assist provides real-time suggestions for human agents while they are in conversations with end-user customers.

4 Ratings

View Software

AI Rudder

AI Rudder is a software company that harnesses the power of AI voice automation to supercharge customer experiences. With AI voice assistants, your call center can make quality human-like calls at lightning speeds, collecting and analysing data automatically to reach and activate more customers. AI Rudder helps call centers reduce costs by automating repetitive tasks and lowering agent workload. This free up agents to focus on things only humans can do. Over the long term, AI Rudder aims to rethink the future of business communication.

4 Ratings

View Software

ElevenLabs

The most realistic and versatile AI speech software, ever. Eleven brings the most compelling, rich and lifelike voices to creators and publishers seeking the ultimate tools for storytelling. Generate top-quality spoken audio in any voice and style with the most advanced and multipurpose AI speech tool out there. Our deep learning model renders human intonation and inflections with unprecedented fidelity and adjusts delivery based on context. Our AI model is built to grasp the logic and emotions behind words. And rather than generate sentences one-by-one, it’s always mindful of how each utterance ties to preceding and succeeding text. This zoomed-out perspective allows it to intonate longer fragments convincingly and with purpose. And finally you can do this with any voice you want.

3 Ratings

Starting Price: $1 per month

View Software

Herbie.ai

Herbie.ai – A multi-national Conversational AI company (Part of SunSmart Global – 15+ years in enterprise solutions) Digital Transformation of Enterprises Unique Voice-Enabled Virtual Assistants to automate business cases. Franchise spread over 6 Countries – expanding to 13+. Instant enables seamless connection with 12+ Social Media platforms. The business provides end-to-end AI Solution that are "Innovative & Intelligent" in addressing the critical business needs of Mid to Large Corporates, built using advanced technology with applications across business verticals and geographies. Herbie.AI is a Microsoft Gold Application Development Partner, and is ISO 9001:2015 Certified. AI, ML & NLP based, Multi-lingual, Omni-channel, Always-on bots with transfer to agent. Improve your customer experience with ai powered conversational chatbot solution. Provide complete customer service with Herbie AI chatbots for customer support. Lower Customer Support Costs.

2 Ratings

Starting Price: $1000

View Software

IBM watsonx Assistant

IBM

IBM watsonx Assistant (Formerly Watson Assistant) is a market-leading enterprise conversational AI platform that allows you to build intelligent virtual and voice assistants that can provide customers with fast, consistent and accurate answers across any messaging platform, application, device or channel. Using artificial intelligence and large language models, watsonx Assistant learns from customer conversations, improving its ability to resolve issues the first time while removing the frustration of long wait times, tedious searches and unhelpful chatbots. Most chatbots try to mimic human interactions, frustrating customers when a misunderstanding arises. IBM watsonx Assistant is more than a chatbot. It knows when to search for an answer from a knowledge base, when to ask for clarity and when to direct users to a human agent for more assistance. And since it can be deployed in any cloud or on-premises environment – smarter AI is finally available wherever you need it.

1 Rating

Starting Price: $140 per month

View Software

Mindsay

Mindsay makes customer interactions simple and efficient using conversational automation. We help customer service teams overcome common challenges, allowing them to automate customer requests, eliminate time-consuming processes, and optimize their use of human resources. From basic FAQs to complex transactions, we help companies build their customer service automation strategy, allowing for maximum automation of customer interactions and lowest total cost of ownership.

1 Rating

View Software

Qualified

Qualified.com

Qualified helps companies generate pipeline, faster. Tap into your greatest asset - your website - to identify your most valuable visitors, uncover signals of buying intent, shape sales and marketing campaigns, and instantly start sales conversations. Qualified is the #1 pipeline generation platform for revenue teams that use Salesforce. Qualified helps leading B2B companies tap into their greatest asset - their website - to identify their most valuable visitors, uncover signals of buying intent, shape sales and marketing campaigns, and instantly start sales conversations. Powered by the Xforce platform, Qualified is uniquely designed for Sales Cloud customers and offers two core products: Qualified Conversations and Qualified Signals. Piper is an AI SDR that automates your inbound pipeline generation motion to help you scale. The AI SDR you’ve been waiting for, Piper is ready to join your team today.

1 Rating

Starting Price: $3,000

View Software

TENIOS

TENIOS is a German-based communications provider specializing in advanced AI-voicebot and telephony solutions for businesses. Their comprehensive telecom-platform offers services such as virtual phone numbers, intelligent call routing, interactive voice response (IVR) systems, SMS, RCS, and a robust Voice API for seamless integration of voice applications. TENIOS also provides AI-powered voicebots to automate customer interactions, enhancing efficiency in contact centers and diverse sectors with high call volumes. With over two decades of experience and hosting in Germany, TENIOS ensures reliable and scalable communication solutions tailored to meet diverse business needs.

1 Rating

Starting Price: €50/ month (Pay as YouGo)

View Software

Hyro

Hyro is the world’s first adaptive communications platform. Featuring plug & play conversational AI and natural language automation, Hyro empowers enterprises to flex their processes and messaging across their most valuable platforms, services, and channels—including contact centers, chat solutions, SMS, and more. Say goodbye to rigid chatbots and voice assistants running on intent-based flows that constantly break. With the adaptive advantage for enterprise, Hyro is ushering in a new age of conversational technologies that are quick to deploy, easy to maintain, and simple to scale—conserving vital resources while generating better conversations, more conversions, and revenue-driving insights.

1 Rating

View Software

Cognigy.AI

Cognigy

Cognigy.AI is an enterprise-grade conversational AI platform designed to automate customer interactions across various channels, including voice and chat. Leveraging advanced natural language understanding (NLU) and large language models (LLMs), it enables businesses to create intelligent AI agents capable of delivering personalized, human-like conversations. The platform offers robust integration capabilities, allowing seamless connectivity with existing contact center and CRM systems to enhance customer experience orchestration. With features like Agentic AI, Cognigy.AI introduces autonomous, goal-oriented agents that can think, adapt, and collaborate with both AI and human agents, navigating complex queries with flexibility and precision. This comprehensive solution empowers organizations to streamline customer service operations, improve engagement, and achieve higher efficiency in handling customer inquiries.

View Software

Voiceflow

Teams use Voiceflow to design, test, and ship conversational assistants, together, faster, at scale. Create chat and voice interfaces for any digital product or conversational assistant. Bring together conversation design, development, product, copywriting, legal, and more. Design, prototype, test, iterate, launch, and measure, all with one platform. Eliminate functional silos and content chaos. With Voiceflow, teams work together in an interactive workspace that consolidates all assistant data, conversation flows, intents, utterances, response content, API calls, and more. Avoid delays and big dev efforts with 1-click prototyping. In minutes, designers can create shareable, high-fidelity prototypes to test and refine the user experience. Voiceflow is the go-to tool for increasing the speed and scale of app delivery. Accelerate your workflow with timesavers like drag-and-drop design, rapid prototyping, real-time feedback, and pre-built code.

Starting Price: $40 per editor per month

View Software

LiveKit

LiveKit is a real-time platform that enables developers to build video, voice, and data capabilities into their applications. Building on WebRTC, it supports a broad range of frontend and backend platforms. LiveKit's network is optimized for ultra-low latency, extreme resiliency, and massive scale. Our team is distributed across the world, and our infrastructure delivers billions of minutes of audio and video every month. LiveKit provides SDK support across all major platforms, allowing you to code your application with a LiveKit client natively designed for your platform of choice. You can self-host LiveKit for free without changing a line of code, as the entire ecosystem of tools and services is Apache 2.0 open source. LiveKit offers a feature-rich platform, including SSO and RBAC for teams, enterprise-grade security with end-to-end encryption, noise and echo cancellation, session recording, stream ingestion, and moderation tools.

Starting Price: $50 per month

View Software

Krybe

Krybe is an AI-powered platform offering cutting-edge voice and transcription solutions, including voice agents and speech AI, designed to transform noise into actionable insights for businesses and individuals. Users can experience 60 minutes of free transcription and process up to 5,000 characters of text without requiring a credit card, with the flexibility to cancel anytime. Krybe's services are tailored to maintain a unique brand voice across platforms, facilitating narration, automation, and personalization. The platform aims to streamline workflows, enhance productivity, and enable effortless scaling for its users. Krybe's voice agents are designed to integrate seamlessly with existing systems, functioning like real human assistants to automate business processes. Listen to a real customer service interaction handled seamlessly by our AI voice agent. Effortlessly convert speech to text in real-time, ensuring you never miss a detail while staying fully engaged in discussions.

Starting Price: $13 per month

View Software

Vogent

Vogent is an all-in-one platform for building humanlike, intelligent, and effective voice agents. It offers a highly authentic, low-latency live voice AI capable of making phone calls up to one hour long and executing follow-up tasks. Vogent automates calls in industries such as healthcare, construction, logistics, and travel. The platform provides a custom end-to-end pipeline for transcription, reasoning, and speech, resulting in extremely low latency and humanlike conversations. Vogent's in-house language models have been trained on millions of phone conversations across hundreds of different task types, performing as well as human agents when prompted or fine-tuned with minimal examples. Developers can dispatch thousands of calls with a few lines of code and automate downstream workflows based on outcomes. The platform supports REST and GraphQL APIs, and offers a no-code dashboard for creating agents, uploading knowledge bases, tracking dials, and exporting transcripts.

Starting Price: 9¢ per minute

View Software

Taalk

Taalk.ai is an advanced conversational AI platform designed to enhance customer engagement through AI-powered agents capable of managing voice calls and text messages. These agents facilitate various business functions, including lead qualification, appointment scheduling, debt collection, and pricing quotations. Key features of Taalk.ai include compliance-first interaction recording, live call transfers, omni-channel engagements across phone calls, SMS, email, and voicemail, a native predictive dialer, and multilingual support. The platform utilizes proprietary language models with continuous updates and incorporates humanization techniques, such as authentic background noise, to ensure natural and responsive interactions. Taalk.ai is designed for scalability, capable of handling millions of concurrent engagements, and offers seamless integration with existing business systems to automate workflows like booking appointments and data lookup.

Starting Price: $10,800 per year

View Software

Kore.ai

Kore.ai empowers global brands to maximize the value of AI by providing end-to-end solutions for AI-driven work automation, process optimization, and service enhancement. Its AI agent platform, combined with no-code development tools, enables enterprises to create and deploy intelligent automation at scale. With a flexible, model-agnostic approach that supports various data, cloud, and application environments, Kore.ai offers businesses the freedom to tailor AI solutions to their needs. Trusted by over 500 partners and 400 Fortune 2000 companies, the company plays a key role in shaping AI strategies worldwide. Headquartered in Orlando, Kore.ai operates a global network of offices, including locations in India, the UK, the Middle East, Japan, South Korea, and Europe, and has been recognized as a leader in AI innovation with a strong patent portfolio.

View Software

Enterprise Bot

Enterprise Bot, based in Switzerland, is a pioneer in Conversational AI, Process Automation, and Generative AI. With the trust of esteemed enterprise giants across industries like Generali, SIX, SBB, DHL, and SWICA, Enterprise Bot is revolutionizing both customer and employee experiences. Through its advanced integration with Large Language Models (LLM) such as ChatGPT and Llama 2, and its unique patent-pending DocBrain technology, the company delivers unparalleled personalization, active engagement, and omnichannel solutions across platforms like email, voice, and chat. Furthermore, Enterprise Bot integrates with existing core systems, such as SAP, CRMs, Confluence and more, and with its proprietary middleware, Blitzico, enables the AI to not only respond to queries but also take action to resolve them. This dedication to innovation in four main use case areas, Customer Support, Sales and Marketing, Knowledge Management and Digital Coworker, elevates both CX and employee productivity.

Starting Price: $1000/month

View Software

Deepgram

Deploy accurate speech recognition at scale while continuously improving model performance by labeling data and training from a single console. We deliver state-of-the-art speech recognition and understanding at scale. We do it by providing cutting-edge model training and data-labeling alongside flexible deployment options. Our platform recognizes multiple languages, accents, and words, dynamically tuning to the needs of your business with every training session. The fastest, most accurate, most reliable, most scalable speech transcription, with understanding — rebuilt just for enterprise. We’ve reinvented ASR with 100% deep learning that allows companies to continuously improve accuracy. Stop waiting for the big tech players to improve their software and forcing your developers to manually boost accuracy with keywords in every API call. Start training your speech model and reaping the benefits in weeks, not months or years.

Starting Price: $0

View Software

Chatlayer by Sinch

Sinch

Chatlayer by Sinch is an advanced conversational AI platform that enables businesses to create sophisticated chatbots capable of understanding and communicating in over 100 languages across various channels. Its intuitive, no-code interface allows for seamless integration with major CRM, ticketing systems, knowledge bases, and contact center solutions through APIs, facilitating the automation of complex customer interactions. With features like in-house Natural Language Processing (NLP), multilingual support, and ChatGPT integration, Chatlayer empowers companies to enhance customer engagement, streamline support processes, and deliver personalized experiences at scale. Recognized in the Gartner® Magic Quadrant™ for Enterprise Conversational AI Platforms, Chatlayer stands out for its robust capabilities and user-friendly design.

View Software

OneAI

Select from our library, fine-tune, or build your own capabilities to analyze and process text, audio and video at scale. Integrate advanced NLP into your app or workflow. Select from the library or build your own. Summarize, tag and analyze language with stackable, composable NLP building blocks, built on state-of-the-art models, all with a single API call. Build and fine-tune custom Language Skills with your data using our powerful Custom-Skill engine. Only 5% of the world's population speaks English as their native language. Most of One AI’s capabilities are multilingual. So whether you build a podcast platform, CRM, content publishing tool, or any other product, the language detection, processing, transcription, analytics, and comprehension capabilities are here.

Starting Price: $0.2 per 1,000 words

View Software

Bland AI

Bland is an AI-powered platform that automates phone calls for enterprises, providing highly realistic conversational agents for tasks like sales, scheduling, and customer support. With its self-hosted, end-to-end infrastructure, Bland ensures fast response times, 99.99% uptime, and high security. The platform allows businesses to build custom phone agents that can interact in any language, handle complex workflows, and integrate with existing systems. Bland offers cost-effective, scalable AI solutions for enterprises, ensuring that calls are completed efficiently and in a personalized, natural-sounding manner.

View Software

Callin.io

AI voice assistant for businesses of every scale. Callin's AI-driven voice assistants are tailored to bolster the growth of businesses, handling inbound and outbound customer conversations. Quick to implement and built for impactful results, Callin AI agents are the quintessential team additions, encapsulating the AI features you’ve always imagined. Callin responds to unanswered calls consistently, 24/7, and handles calls from both external customers and internal employees. Outperforms human agents in turning leads into clients. Our AI voice agents are customizable to meet the specific needs of your business. Answer every incoming call, capture lead details, and book appointments on the spot. Follow up on missing documents and incomplete applications. Speed up the process and maximize conversion. Remind customers of upcoming payments and appointments, or share critical updates. Handle any number of calls in a language of your customers’ choice.

Starting Price: $29 per month

View Software

Cartesia Sonic

Cartesia

Sonic is the fastest, ultra-realistic generative voice API, powered by our next-gen state space model and purpose-built for developers. With a time-to-first audio of 90ms, Sonic is the fastest generative voice model, with best-in-class quality and controllability. Built for streaming using our first-of-its-kind low-latency state space model stack. Fine-grained control over pitch, speed, emotion, and pronunciation. Sonic ranks #1 in quality in independent evaluations of quality. Sonic supports seamless speech in 13 languages, with more added to every release. From Japanese to German, any language you need, we’ve got it. Localize a given voice to any accent or language. Power support experiences that delight your customers. Bring your storytelling to life with immersive voices. Create content that engages viewers and drives clicks. Narrate content for podcasts, news, and publishing, and empower healthcare with voices that patients trust.

Starting Price: $5 per month

View Software

Awaz

Awaz is a no-code AI platform designed to automate phone calls, allowing businesses to create human-like AI voice agents that can handle both inbound and outbound calls. These AI agents can book meetings, conduct interviews, make cold calls, offer customer support, and automate follow-ups, all 24/7. The platform allows users to easily configure AI agents, set their tasks, and integrate them with tools like SMS, emails, WhatsApp, and calendar systems. Awaz also provides advanced features like sentiment analysis, diarization, and voice customization, enabling businesses to enhance customer experiences. The AI agents can be trained with custom data to improve performance over time, ensuring calls are personalized and efficient. With the ability to engage customers in over 30 languages, Awaz helps scale communication efforts, reduce reliance on human agents, and automate repetitive tasks, making it an ideal tool for lead qualification, appointment scheduling, and customer support.

Starting Price: $29 per month

View Software

Sameday

Sameday is an AI-powered phone answering system tailored for home service businesses, ensuring that no customer call goes unanswered. Operating 24/7, Sameday's AI engages with customers, schedules appointments, and provides information about services, effectively acting as a top-performing sales representative. It has a 92% successful booking rate by phone and is utilized by businesses across 49 states. Sameday integrates seamlessly with various field service management software, including ServiceTitan, Jobber, and Service Fusion, allowing for automated scheduling and data synchronization. Additionally, it can connect with existing phone systems, enhancing responsiveness and customer satisfaction. By leveraging advanced natural language processing and machine learning, Sameday identifies customer needs, offers tailored solutions, and optimizes technician dispatch based on location, qualifications, and availability.

Starting Price: $449 per month

View Software

Fluents.ai

Fluents.ai offers an AI sales assistant designed to engage leads within seconds using empathetic and intelligent conversational AI. It enables businesses to scale outreach without losing the personal touch, effectively acting as an AI sales representative. It integrates seamlessly with existing software stacks, triggering human-like conversations instantly and capturing key data, answering questions, and facilitating smooth handoffs to human representatives when necessary. Fluents.ai provides real-time dashboards, conversation transcripts, and advanced reporting tools, offering actionable insights to enhance sales strategies. By automating time-consuming tasks such as appointment settings and follow-ups, the AI assistant increases productivity, allowing sales teams to focus on high-value activities. Operating 24/7, ensures no opportunities are missed, contributing to increased revenue.

View Software

Amazon Lex

Amazon

Amazon Lex is a service for building conversational interfaces into any application using voice and text. Amazon Lex provides the advanced deep learning functionalities of automatic speech recognition (ASR) for converting speech to text, and natural language understanding (NLU) to recognize the intent of the text, to enable you to build applications with highly engaging user experiences and lifelike conversational interactions. With Amazon Lex, the same deep learning technologies that power Amazon Alexa are now available to any developer, enabling you to quickly and easily build sophisticated, natural language, conversational bots (“chatbots”). With Amazon Lex, you can build bots to increase contact center productivity, automate simple tasks, and drive operational efficiencies across the enterprise. As a fully managed service, Amazon Lex scales automatically, so you don’t need to worry about managing infrastructure.

View Software

Replicant

With the world’s first autonomous contact center that brings always-on, elastic capacity to every customer experience with voice AI. Solve customer issues over the phone with flexible, natural-sounding AI-powered conversations that accurately recognize customer intent for fast resolutions. Answer every call immediately and eliminate hold times with 24/7 service available anytime, anywhere. Scale customer service up or down without ballooning costs, training new agents, offshoring, or planning for seasonal fluctuations. Dramatically reduce your customer service costs; only pay for what you use without committing to capacity. Measure overall customer satisfaction, track average handle time, and discover new trends like competitor mentions, defective products, and upsell opportunities to serve customers like never before.

View Software

SoundHound

SoundHound AI

We believe every brand should have a voice and every person should be able to interact naturally with the products around them, by simply talking. At SoundHound Inc., we’re working together with our strategic partners to build a more accessible and connected world. We build custom voice assistants for companies wanting to keep their brand, users, and data. Built on the foundation of proprietary Speech-to-Meaning® and Deep Meaning Understanding® technologies, the Houndify platform provides conversational intelligence unmatched by others in the industry. Houndify everything! Voice-enable the world with conversational intelligence. Create a voice AI platform that exceeds human capabilities and brings value and delight via an ecosystem of billions of products enhanced by innovation and monetization opportunities. Headquartered in the heart of Silicon Valley, we are a global company with 9 offices in key markets and teams in 16 countries.

View Software

Compare the Top AI Voice Agents as of April 2025

What are AI Voice Agents?

LumenVox

Dialogflow

AI Rudder

ElevenLabs

Herbie.ai

IBM watsonx Assistant

Mindsay

Qualified

TENIOS

Hyro

Cognigy.AI

Voiceflow

LiveKit

Krybe

Vogent

Taalk

Kore.ai

Enterprise Bot

Deepgram

Chatlayer by Sinch

OneAI

Bland AI

Callin.io

Cartesia Sonic

Awaz

Sameday

Fluents.ai

Amazon Lex

Replicant

SoundHound

Best AI Voice Agents

Compare the Top AI Voice Agents as of April 2025

What are AI Voice Agents?

LumenVox

Dialogflow

AI Rudder

ElevenLabs

Herbie.ai

IBM watsonx Assistant

Mindsay

Qualified

TENIOS

Hyro

Cognigy.AI

Voiceflow

LiveKit

Krybe

Vogent

Taalk

Kore.ai

Enterprise Bot

Deepgram

Chatlayer by Sinch

OneAI

Bland AI

Callin.io

Cartesia Sonic

Awaz

Sameday

Fluents.ai

Amazon Lex

Replicant

SoundHound

Related Categories