List of the Top 22 Free AI Voice Agents in 2025

Dialogflow, developed by Google Cloud, serves as a platform for natural language understanding, enabling the creation and integration of conversational interfaces for various applications, including mobile and web platforms. This tool simplifies the process of embedding various user interfaces, such as bots or interactive voice response systems, into applications. With Dialogflow, businesses can establish innovative methods for customer engagement with their products. It is capable of processing customer inputs in diverse formats, including both text and audio, such as voice calls. Additionally, Dialogflow can generate responses in text format or through synthetic speech, enhancing user interaction. The platform offers specialized services through Dialogflow CX and ES, specifically designed for chatbots and contact center applications. Furthermore, the Agent Assist feature is available to support human agents in contact centers, providing them with real-time suggestions while they engage with customers, ultimately improving service efficiency and customer satisfaction. By leveraging these capabilities, companies can significantly enhance the overall customer experience.

Introducing the most adaptable and lifelike AI voice generation software to date, Eleven provides creators and publishers with incredibly authentic, rich, and engaging voices, making it the ultimate tool for effective storytelling. This powerful AI speech solution enables the production of high-quality audio in a diverse range of styles and voices. Utilizing advanced deep learning techniques, our model captures human intonations and inflections, modifying its delivery to suit the surrounding context. It is crafted to comprehend the underlying emotions and logic of language, allowing for a nuanced understanding of words. Rather than generating sentences in isolation, the AI maintains a holistic view of the text, enhancing the coherence and impact of longer passages. Ultimately, you have the freedom to choose any voice you desire, tailoring your auditory experience to fit your creative vision. This innovation not only elevates storytelling but also ensures that the resulting audio resonates deeply with listeners.

Voice AI tailored for any use case. Vapi enables developers to create, evaluate, and launch Voicebots in mere minutes, drastically reducing the time typically needed for such processes. Versatile solutions for a wide range of needs. Whether you're developing a customer service platform, a telehealth service, a front desk assistant, a lead generation tool, a food ordering system, a transportation logistics solution, employee training programs, or any other application, Vapi has you covered. We simplify the integration of voice AI, making it as dependable and accessible as any other API in your technology stack. Experience the full potential and extensive customizability of our platform. You can seamlessly integrate any model and interact with it in various environments, enhancing the versatility of your applications.

IBM watsonx Assistant represents an innovative conversational AI platform that enables a diverse range of users, including those without technical expertise, to seamlessly create generative AI assistants that provide smooth self-service experiences for customers on any device or channel, enhance employee efficiency, and expand organizational capabilities. The platform boasts an intuitive design featuring a drag-and-drop conversation builder along with ready-made templates, making it accessible for all users. It incorporates advanced Large Language Models, Large Speech Models, Natural Language Processing and Understanding (NLP, NLU), as well as Intelligent Context Gathering, which work collectively to enhance comprehension of conversational context in natural language. Additionally, it employs retrieval-augmented generation (RAG) techniques to deliver precise, contextual, and timely conversational responses at all times, ensuring that interactions are rooted in the company's knowledge base. This comprehensive approach not only streamlines communication but also fosters a more interactive and responsive customer engagement strategy.

Welcome to TENIOS, the cloud communications provider under the Apifonica Group umbrella. Based in Germany, TENIOS focuses on innovative AI voicebots and telephony solutions designed for businesses. Their succinct mission is to deliver Conversational AI to the global market. Driven by a passion for automation, a dedicated team of specialists in Cloud Technology, Telephony, and AI collaborates to enhance business communication and streamline related workflows. TENIOS Voicebots efficiently manage both outbound and inbound calls, follow up with leads, pre-qualify them, update CRM data in real-time, and generate reports to enhance customer communication strategies. Their all-encompassing telecom platform provides a variety of services, including virtual phone numbers, smart call routing, interactive voice response (IVR) systems, SMS, RCS, and a powerful Voice API for the smooth integration of voice applications. With more than twenty years of industry experience and hosting services based in Germany, TENIOS guarantees dependable and scalable communication solutions that are customized to accommodate a wide array of business requirements. Additionally, their commitment to innovation positions them as a leader in the evolving landscape of cloud communications.

Aisera is pioneering advancements in technology with a groundbreaking solution that transforms the landscape for both businesses and their clients. This innovative AI system delivers a tailored and anticipatory experience, automating support and operations across a variety of industries such as HR, IT, sales, and customer service. By enabling users with self-service capabilities akin to those found in consumer applications, Aisera empowers organizations to take charge of their processes. Furthermore, Aisera propels your transition toward a more efficient future through the dynamic potential of digitalization. By harnessing insights from user and service behavior, Aisera streamlines tasks, actions, and essential business functions. It also boasts seamless integration with major platforms, including Salesforce, Zendesk, and ServiceNow, and collaborates effectively with other industry leaders such as Microsoft, Adobe, Oracle, SAP, Marketo, Hubspot, and Okta. Ultimately, Aisera is not just enhancing operational efficiency; it is reshaping the way businesses connect and engage with their customers.

Forethought stands out as the leading generative AI solution for customer support, serving as an always-on team member at your disposal. With its training on your specific data sets and adherence to stringent security measures, Forethought facilitates seamless interactions through AI, streamlining processes to enhance response times, resolution rates, and overall customer satisfaction at every touchpoint. - Incorporate a round-the-clock AI agent to alleviate your team's workload, allowing them to concentrate on providing outstanding support. - Forethought uniquely processes both historical and current ticket data tailored to your business needs, ensuring a highly personalized customer experience. - We prioritize not just compliance with privacy regulations, but aim to redefine them, guaranteeing that your data remains protected throughout all interactions. Additionally, our commitment to continuous improvement means we are always refining our systems to better serve you and your clientele.

Lindy is an AI-driven assistant crafted to enhance efficiency in professional environments. It integrates effortlessly with a variety of platforms such as Gmail, Zoom, and Twilio. Users can automate various workflows, including email handling, customer service interactions, scheduling, and data entry for customer relationship management. With its user-friendly interface, individuals can develop AI agents in just a few minutes, simplifying intricate tasks without needing any programming knowledge. Additionally, Lindy provides customizable templates tailored to distinct requirements. A notable feature is its ability to transform real-time communications between healthcare providers and patients into precise and detailed notes. By utilizing Lindy, professionals can prioritize critical elements of their roles while allowing routine tasks to be managed effectively and effortlessly. This not only boosts productivity but also enhances overall job satisfaction.

Teams utilize Voiceflow to collaboratively create, test, and deploy conversational assistants in a more efficient and scalable manner. This platform allows users to effortlessly develop both chat and voice interfaces for any digital product or conversational assistant. By integrating various fields such as conversation design, product development, copywriting, and legal aspects into a single workflow, Voiceflow simplifies the entire process. Users can design, prototype, test, iterate, launch, and measure their projects all within one cohesive environment, effectively removing functional silos and content chaos. It enables teams to work within an interactive workspace that consolidates all assistant-related data, including conversation flows, intents, utterances, response content, API calls, and more. The platform's one-click prototyping feature helps to prevent delays and minimizes extensive development efforts, allowing designers to produce shareable, high-fidelity prototypes in mere minutes, thus enhancing the user experience. As the go-to solution for boosting the speed and scalability of app delivery, Voiceflow also enhances workflows through drag-and-drop design, rapid prototyping, real-time feedback, and pre-built code, which further streamline the development process for teams. By leveraging these robust tools, teams can significantly bolster their collaborative efforts, ultimately improving the overall quality of their conversational projects. This collective enhancement not only fosters creativity but also drives innovation within the realm of conversational design.

LiveKit serves as a dynamic platform for real-time communication, enabling developers to seamlessly incorporate video, voice, and data capabilities into their applications. By leveraging WebRTC technology, it supports a diverse range of frontend and backend frameworks. The platform’s network architecture is carefully crafted to deliver ultra-low latency, remarkable resilience, and the ability to scale extensively. With a globally distributed team managing an infrastructure that handles billions of audio and video minutes each month, LiveKit showcases its vast operational reach. It provides SDK support for all major platforms, allowing developers to customize their applications with a LiveKit client that is specifically designed for their preferred environment. Additionally, LiveKit offers the option for self-hosting at no expense, with no changes needed to existing code, since all tools and services operate under the Apache 2.0 open-source license. Among its many features, LiveKit includes single sign-on (SSO), role-based access control (RBAC), robust security features like end-to-end encryption, and tools for noise and echo cancellation, session recording, stream ingestion, and moderation, making it an excellent option for developers seeking comprehensive solutions. Overall, LiveKit emerges as a versatile and powerful choice for real-time communication needs, equipping developers with everything required to create highly engaging applications and foster robust user interactions.

Vocode is a freely available library aimed at simplifying the creation of voice-activated applications that leverage large language models. This tool empowers developers to facilitate engaging, real-time dialogues with LLMs, applicable in contexts such as telephone communications and video conferencing platforms like Zoom. Prioritizing ease of use, Vocode integrates a wide array of abstractions and functionalities, bringing all crucial resources together in one place. The library comes pre-equipped with seamless integrations for leading speech-to-text and text-to-speech technologies, including AssemblyAI, Deepgram, Google Cloud, Microsoft Azure, and Whisper. Capable of functioning across various platforms—ranging from telephony to web and Zoom—Vocode aids in developing applications that span from LLM-supported phone conversations to personal assistants and voice-responsive games. Its flexible design allows for the effortless integration of different AI models and services, providing developers the liberty to choose the best components tailored to their individual projects. Furthermore, Vocode's multilingual capabilities enhance its appeal, making it ideal for users around the world. This adaptability not only broadens its application scope but also paves the way for groundbreaking innovations within a multitude of sectors. As the demand for voice-driven technology continues to rise, tools like Vocode will play a crucial role in shaping the future of human-computer interaction.

Krybe stands out as a cutting-edge platform that leverages AI to provide sophisticated voice and transcription services, incorporating voice agents and speech recognition technology to transform background noise into actionable insights for both individuals and enterprises. Users can take advantage of an initial offer of 60 minutes of free transcription, managing up to 5,000 characters of text without the need for credit card details, and they have the flexibility to cancel at any time. The platform prioritizes maintaining a unique brand voice across diverse channels, enabling features such as narration, automation, and tailored user experiences. Designed to enhance workflow efficiency and productivity, Krybe allows users to scale their operations with ease. Its voice agents seamlessly integrate with existing systems, functioning like virtual human assistants to optimize business processes. Users can even listen to a genuine customer service interaction that showcases the proficiency of Krybe's AI voice agent. Moreover, the platform supports real-time speech-to-text capabilities, ensuring that users capture every nuance while remaining focused on their conversations. In essence, Krybe empowers individuals and businesses alike to fully leverage voice technology, fostering better communication and operational effectiveness, ultimately transforming how interactions are managed.

Genspark represents a groundbreaking search engine driven by artificial intelligence, designed to revolutionize how individuals access information by generating real-time personalized summaries, referred to as Sparkpages, tailored to their queries. Unlike traditional search engines that simply provide a list of links, Genspark employs a sophisticated multi-agent system where specialized AI entities meticulously collect and synthesize data from a diverse array of trustworthy sources, guaranteeing the provision of comprehensive and unbiased content. Each Sparkpage adeptly condenses and consolidates online knowledge into a cohesive format, devoid of any commercial influences, and includes an AI copilot that interacts with users, offering tailored insights to enrich their overall experience. Through its commitment to eradicating spam, advertisements, and biased content, Genspark aims to create a more structured, informative, and engaging digital landscape for its users. This innovative approach significantly enhances the caliber of available information while concurrently fostering a more user-focused experience in the domain of online searches. Ultimately, Genspark seeks to empower users with the tools they need to navigate the vast expanse of information more effectively and efficiently.

Accurate speech recognition can be effectively utilized on a large scale, allowing for continuous enhancement of model performance through data labeling and training from a single interface. Our advanced speech recognition and understanding technology operates efficiently at an extensive level, facilitated by our innovative model training, data labeling, and versatile deployment solutions. The platform supports various languages and accents, ensuring it can adapt in real-time to the specific requirements of your business with each training cycle. We offer enterprise-level speech transcription tools that are not only quick and precise but also dependable and scalable. Reinventing automatic speech recognition with a focus on 100% deep learning empowers organizations to boost their accuracy significantly. Instead of relying on large tech firms to enhance their software, businesses can encourage their developers to actively improve accuracy by incorporating keywords in every API interaction. Start training your speech model today and enjoy the advantages within weeks rather than waiting for months or even years to see results, making your operations more efficient and effective. This proactive approach allows companies to stay ahead in a fast-evolving technological landscape.

Develop advanced chatbots, AI-enabled voice interactions, and features for voice assistants that effectively understand your clients' needs. Boost your lead generation strategies across multiple channels, such as messaging apps, websites, and social media platforms. These intelligent bots can manage as much as 80% of routine inquiries without human intervention, and they can effortlessly transfer conversations to a human representative when necessary. Moreover, chatbots are designed to handle payment processing and expand your sales opportunities. They also collect customer feedback, which allows you to enhance the overall user experience. In addition, these bots can issue reminders for abandoned carts, notify customers about special offers, and announce new product arrivals. By interpreting user intents, they can identify problems, address customer concerns, and provide responses based on pre-set scenarios. Aimylogic's chatbot is skilled at recognizing various expressions including greetings, farewells, agreement, disagreement, appreciation, and even negative sentiments. You can easily insert the desired block into the scenario to further customize the chatbot's interactions. This versatility guarantees that your customer communications remain both effective and engaging, fostering a stronger relationship with your clientele. Ultimately, the integration of such technology not only enhances customer satisfaction but also streamlines business operations.

Our platform has been developed in conjunction with innovative scientific breakthroughs that explore how people recognize and express more than 30 distinct emotions. Understanding and communicating emotions effectively is crucial for the evolution of voice assistants, health technologies, social media outlets, and many other sectors. It is essential that AI initiatives are based on collaborative, comprehensive, and inclusive scientific methodologies. It is important to avoid viewing human emotions merely as instruments for AI's goals, ensuring that the benefits of artificial intelligence are available to individuals from diverse backgrounds. Those affected by AI technologies should have enough knowledge to make educated decisions regarding their use, and the introduction of AI should only take place with the clear and informed consent of those involved, thereby promoting a heightened sense of trust and ethical accountability. Furthermore, this approach not only fosters better relationships with users but also leads to a deeper understanding of emotional nuances that can significantly improve the effectiveness of AI. Prioritizing emotional intelligence in AI development will ultimately enhance user experiences and strengthen interpersonal relationships.

Sonic is recognized as the leading generative voice API, delivering exceptionally lifelike audio driven by a sophisticated state space model crafted specifically for developers. With a remarkable time-to-first audio response of merely 90 milliseconds, it offers unparalleled performance while maintaining superior quality and control. Built for effortless streaming, Sonic utilizes a cutting-edge low-latency state space model architecture. Users have the ability to finely tune aspects such as pitch, speed, emotion, and pronunciation, allowing for precise customization of audio outputs. In various independent evaluations, Sonic frequently emerges as the top selection for audio quality. The API supports seamless speech in 13 languages, with plans to introduce additional languages in future updates, thus ensuring extensive accessibility. Whether you require voice capabilities in Japanese or German, Sonic accommodates your needs, enabling voice localization to align with any accent or dialect. It enhances customer support experiences that are both impressive and engaging, captivating audiences through rich, immersive storytelling. From dynamic podcasts to educational news segments, Sonic serves a multitude of sectors, including healthcare, by offering reliable voices that connect meaningfully with patients. Furthermore, the adaptability of Sonic paves the way for innovative content creation that not only enthralls viewers but also fosters substantial interaction, allowing creators to truly engage with their audience. This level of versatility makes Sonic an invaluable asset in the evolving landscape of audio technology.

Curious Thing is a sophisticated voice AI assistant designed to enhance business communications by proactively reaching out to customers through telephone calls. It is proficient in both making and receiving calls, as well as identifying and leaving voicemails, and it can communicate via various channels such as SMS, emails, and instant messages. Moreover, this AI assistant excels at handling appointment scheduling, modifications, or cancellations, seamlessly integrating with existing systems to optimize the scheduling process. By utilizing open-ended questions, it gathers essential insights that empower organizations to make informed, data-driven decisions. The features of Curious Thing enable businesses to elevate their service capabilities and improve customer interaction. In addition, it offers unlimited call summaries, providing concise overviews of discussions through text or email, which helps teams remain updated. Designed for companies of all sizes, Curious Thing's voice AI assistant not only manages incoming calls but also organizes meetings and responds to common inquiries, thereby simplifying communication. Ultimately, this innovative solution marks a remarkable progression in the way businesses can efficiently and effectively engage with their customers, paving the way for improved relationships and better service delivery. Furthermore, its adaptability ensures that it can cater to a diverse range of industries, making it a versatile tool for modern enterprises.

Assindo is a cutting-edge AI assistant designed to optimize the management of your phone calls, allowing you to focus on what matters most. It proficiently handles incoming calls, starts crucial conversations on your behalf, and automates various tasks, including appointment scheduling and customer service interactions. Assindo skillfully maneuvers through phone menus, manages waiting times, screens calls, and records messages when you are unavailable. In addition, it identifies key information from incoming calls, converts those insights into actionable tasks, and tracks the status of completed tasks to ensure maximum efficiency. With seven unique AI assistant personalities to choose from, including the determined Elena and the efficiency-driven Liam, Assindo tailors its services to fit your personal preferences. You can easily communicate with your AI assistant to provide updates, issue new commands, or receive detailed real-time reports on your ongoing tasks, resulting in more effective collaboration and productivity. This tailored approach not only enriches your overall experience but also empowers you to manage your time with greater effectiveness and ease. Overall, Assindo transforms the way you handle phone communications, making it a vital tool for anyone seeking to enhance their organizational skills.

Bonnie serves as a virtual receptionist powered by AI, designed specifically to enhance and streamline customer service for small businesses. By adeptly handling phone calls and WhatsApp messages, Bonnie ensures that every potential client is attended to, even during busy periods. This system not only manages appointments and delivers 24/7 customer support but also provides daily insights to aid in organizational efficiency. Additionally, Bonnie seamlessly integrates with current booking platforms and customer relationship management tools, boosting customer satisfaction while allowing business owners to focus on their primary goals. This capability not only saves time but also fosters sales growth, ultimately equipping small enterprises to function more effectively in a competitive market. In a world where customer attention is paramount, Bonnie stands out as a crucial asset for businesses striving to excel.

Fluents.ai is a business located in 2024 in the United States that's known for a software product called Fluents.ai. Fluents.ai includes 24/7 live and online support. Fluents.ai is SaaS software. Fluents.ai offers a free version and free trial. Fluents.ai is a type of AI sales assistants software. Fluents.ai includes training via documentation and live online. Alternative software products to Fluents.ai are ContactSwing, Rep.ai, and AI Rudder.

hellomybot.io stands out as a remarkable omnichannel bot platform (SaaS) tailored for businesses and developers who aspire to create diverse conversational agents, such as chatbots and voice bots. With a myriad of possibilities available, you can efficiently manage website traffic, promote web-to-store connections, boost customer acquisition, encourage healthy competition, offer customer support, organize events, and design interactive forms. Your bot is equipped to understand specific queries, regardless of whether they are voiced or typed, enabling it to engage users in personalized conversations that cater to their individual needs. This level of customization ensures that each interaction feels unique and relevant. Operating around the clock, your bot delivers instant answers while you retain oversight of all communications. You can connect with your audience effortlessly through your conversational agent platform, which integrates flawlessly with both email and helpdesk systems. By reaching your target audience across multiple channels, you can utilize the distinct features of each platform to enhance your outreach efforts. hellomybot allows for effective global communication through various messaging applications, maximizing user engagement and overall impact. Additionally, this innovative platform puts you in a position to revolutionize your customer interactions, keeping you ahead in the ever-evolving landscape of conversational technology. As you explore the capabilities of hellomybot, you'll discover new ways to enhance user experiences and streamline communication processes.