Best Voice Bot Platforms with a Free Trial of 2025

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.

Dialogflow by Google Cloud is a natural-language understanding platform that allows you to create and integrate a conversational interface into your mobile, web, or device. It also makes it easy for you to integrate a bot, interactive voice response system, or other type of user interface into your app, web, or mobile application. Dialogflow allows you to create new ways for customers to interact with your product. Dialogflow can analyze input from customers in multiple formats, including text and audio (such as voice or phone calls). Dialogflow can also respond to customers via text or synthetic speech. Dialogflow CX, ES offer virtual agent services for chatbots or contact centers. Agent Assist can be used to assist human agents in contact centers that have them. Agent Assist offers real-time suggestions to human agents, even while they are talking with customers.

Allow humans to communicate with AI in any language, for any purpose. Businesses can automate their calling processes at a lower cost. Employees can be freed from boring and repetitive tasks so they can focus on creative work. Our solution has been the best choice for our clients in the ever-changing competitive marketplace. We have a dedicated data-protection module to mask sensitive data during integration in order to ensure that our clients' data security is our top priority. We also offer SIP-level phone number rotation, and other security measures. Offering clients the most valuable, game-changing product is the best way to be successful in SaaS. We spend most of our budget on improving the technology behind our voice-assisted communication.

The most versatile and realistic AI speech software ever. Eleven delivers the most convincing, rich and authentic voices to creators and publishers looking for the ultimate tools for storytelling. The most versatile and versatile AI speech tool available allows you to produce high-quality spoken audio in any style and voice. Our deep learning model can detect human intonation and inflections and adjust delivery based upon context. Our AI model is designed to understand the logic and emotions behind words. Instead of generating sentences one-by-1, the AI model is always aware of how each utterance links to preceding or succeeding text. This zoomed-out perspective allows it a more convincing and purposeful way to intone longer fragments. Finally, you can do it with any voice you like.

Herbie.ai is a multi-national Conversational AI company. (Part of SunSmart Global, 15+ years in enterprise solutions). Digital Transformation of Enterprises Virtual Assistants with Voice Enabled to Automate Business Cases Franchise expanded to 6 countries. Instant connects you with 12+ social media platforms.

IBM watsonx Assistant is a next-gen conversational AI solution—it that empowers a broader audience that includes non-technical business users, anyone in your organization to effortlessly build generative AI Assistants that deliver frictionless self-service experiences to customers across any device or channel, help boost employee productivity, and scale across your business. -User-friendly interface with drag-and-drop conversation builder and pre-built templates. -Out-of-the-box Large Language Models, Large Speech Models, Natural Language Processing and Understanding (NLP, NLU), and Intelligent Context Gathering, to better understand the context of each conversation in natural language. -Retrieval-augmented generation (RAG) for accurate, contextual, and up-to-date conversational answers around the clock, grounded in your company's knowledge base.

Mindsay automates customer interactions using conversational automation to make them more simple and efficient. We assist customer service teams in overcoming common challenges. This allows them to automate customer inquiries, eliminate time-consuming processes, optimize their human resources, and reduce costs. We help companies develop their customer service automation strategy. This allows for maximum automation of customer interactions while maintaining a low total cost of ownership.

Graphlogic Conversational AI Platform consists of: Robotic Process Automation for Enterprises (RPA), Conversational AI, and Natural Language Understanding technology to create advanced chatbots and voicebots. It also includes Automatic Speech Recognition (ASR), Text-to-Speech solutions (TTS), and Retrieval Augmented Generation pipelines (RAGs) with Large Language Models. Key components: Conversational AI Platform - Natural Language understanding - Retrieval and augmented generation pipeline or RAG pipeline - Speech to Text Engine - Text-to-Speech Engine - Channels connectivity API Builder Visual Flow Builder Pro-active outreach conversations Conversational Analytics - Deploy anywhere (SaaS, Private Cloud, On-Premises). - Single-tenancy / multi-tenancy - Multiple language AI

Aisera is at the forefront of innovation. It has introduced a revolutionary solution which redefines how businesses and customers thrive. Aisera's cutting-edge AI offers a proactive experience that is personalized and predictive. It automates support and operations across many sectors, including HR and IT, sales and customer service. Aisera empowers its users by providing self-service solutions that are similar to those offered by consumers. Aisera accelerates your journey to a more streamlined future by unleashing the power of digitalization. Aisera automates tasks, actions and critical business processes by leveraging user and service behavioral insights. Aisera seamlessly integrates with leading platforms like Salesforce, Zendesk and ServiceNow. It also works with Microsoft, Adobe, Oracle SAP, Marketo Hubspot and Okta.

Voice AI for any application. Vapi allows developers to build, test and deploy Voicebots in just minutes instead of months. Solutions for everything You can build a customer support system, telehealth system, front desk, lead generation, food ordering system, transportation logistics, employee education, roleplay or anything else you like. We make voice AI as simple, reliable and accessible as any API in your stack. All the power and all the customizability. Plug in any model and speak to it anywhere.

No coding is required to create AI voice assistants that can make outbound calls and answer inbound calls. They can also schedule appointments 24 hours a day. Forget expensive machine learning teams and lengthy development cycles. Synthflow allows you to create sophisticated, tailored AI agents with no technical knowledge or coding. All you need is your data and your ideas. Over a dozen AI agents are available for use in a variety of applications, including document search, process automaton, and answering questions. You can use an agent as is or customize it according to your needs. Upload data instantly using PDFs, CSVs PPTs URLs and more. Every new piece of information makes your agent smarter. No limits on storage or computing resources. Pinecone allows you to store unlimited vector data. You can control and monitor how your agent learns. Connect your AI agent to any data source or services and give it superpowers.

Ideta allows companies to create their own chatbot/voicebot using no coding. You can also design your chatbot as you wish. You can change every aspect of your chatbot's visual appearance to match your website design. Your bot can be deployed on multiple communication channels, including Facebook Messenger, landing page, Facebook Messenger, and a phone number (Twilio ...), Microsoft Teams, etc. Any software can be connected via API without any coding. You can connect to any software via API with the best Natural Language Processing tools (Dialogflow and Luis, Watson ...)) and easily switch between them.

Plumbing can fail at any time. Automated customer service is a great way to create a fantastic experience for your customers. Your customers don't either. Help your customers find the answers they are looking for and book appointments at any time. Your focus is a superpower. Use it to grow business. IsOn24 can answer your customers, because every superhero needs a smart sidekick. IsOn24 can queue calls in the order they were received. Callers can hear your music and messages while they wait in the queue. You can answer the waiting calls using any phone, or even no phone. Open the IsOn24 application and answer waiting call from your tablet or PC.

Rosie will ensure that your home service company never misses a call. She will answer all of your calls and set appointments for you 24/7. Your business can benefit from powerful AI technology. We make the latest AI technology super easy to use for your business. Rosie is available 24/7/365 and is perfect for busy times or after-hours when no one is around. Rosie can help you book appointments, answer customer queries, and send confirmation text messages. Rosie can escalate a caller to a human if they need special help. She can detect emotions in the voice of the caller, such as urgency or frustration, and offer to escalate. Make the most out of your advertising budget by ensuring that a new lead is never left on voicemail. Rosie is familiar with your company's data so that she can keep customers informed and happy. Rosie can confirm appointments in advance to reduce no-shows. Set up your own account in minutes, and we'll check that everything is correct before you go live.

You can improve your customer service with social listening tools and AI conversational robots. Keep up-to-date on online listening and data analysis. Participate in online discussions about customer service integration. Multichannel AI automation can improve customer service. Monitor online conversations that are important to your brand. You can manage your online brand image by using AI-based online listening and data analytics engine. Integrate all your social profiles into one online brand management tool. To increase customer satisfaction, engage in online conversations with customers and potential customers on all channels. Disruptive technology can transform customer experience. Use AI conversational bots to enhance your brand communication and exceed audience expectation.

Kore.ai enables enterprises worldwide to harness the power of AI for automation, efficiency, and customer engagement through its advanced AI agent platform and no-code development tools. Specializing in AI-powered work automation, process optimization, and intelligent service solutions, Kore.ai provides businesses with scalable, customizable technology to accelerate digital transformation. The company takes a model-agnostic approach, offering flexibility across various data sources, cloud environments, and applications to meet diverse enterprise needs. With a strong track record, Kore.ai is trusted by over 500 partners and 400 Fortune 2000 companies to drive their AI strategies and innovation. Recognized as an industry leader with an extensive patent portfolio, it continues to push the boundaries of AI-driven solutions. Headquartered in Orlando, Kore.ai maintains a global presence with offices in India, the UK, the Middle East, Japan, South Korea, and Europe, ensuring comprehensive support for its customers. Through cutting-edge AI advancements, Kore.ai is shaping the future of enterprise automation and intelligent customer interactions.

Chatlayer by Sinch is a powerful conversational AI platform that enables businesses to build and deploy multilingual chatbots across multiple channels. Its user-friendly, no-code interface allows seamless integration with CRMs, ticketing systems, and contact centers via APIs, automating customer interactions with efficiency. Featuring advanced Natural Language Processing (NLP) and ChatGPT integration, Chatlayer enhances engagement by delivering personalized and context-aware responses. Recognized in the Gartner® Magic Quadrant™ for Enterprise Conversational AI, it provides businesses with the tools to streamline support, improve customer satisfaction, and scale interactions effortlessly.

The Slang In App Voice Assistant is a multilingual overlay that you can add to your existing app. It allows your users to speak to it in multiple languages, and the app to speak back to them in the same. The VAaaS voice assistant dramatically simplifies the process of adding Voice Assistants to existing mobile and web apps. Low-code platform that allows you to add Slang In-App Voice Assistant to apps from specific domains that the Assistant supports. This hyper-flexible platform is programmable and can be used to support domains not supported by Slang. It can understand and respond in five languages, including mixed mode. Automatically converts everything to English so that both the frontend and backend of your app can remain in English. Slang's low-code approach makes it easy to integrate it into your app. Multiple platforms and frameworks supported. All with consistent integration models.

Datch is driving digital transformation in the mining, manufacturing and energy industries. A specialized voice AI allows work to be issued, organized, completed, and even finished by simply speaking through the job. Datch employs a highly adaptable AI (artificial intelligence) and natural language processing engine (NLP) to enable field employees to complete workflows, and capture field observations in real time using voice. Datch structures spoken words, numbers and complex asset IDs in a machine-readable format that can be imported directly into your company's databases. This allows for analysis and insights. Capture information even without internet connectivity Auto-sync if you are back online. To use offline, pull information from a third-party system. Notes and processes can be drafted. It's quick and easy to capture knowledge. Talk whenever and however you like. You can record information in real time. You can playback audio and a timeline of events.

Send or receive millions per day of phone calls using programmable voice assistants that sound and feel like humans. We serve sectors such as real estate, healthcare and logistics, financial services, alternative information, small businesses, and prospecting. Data collection and qualification from consumers, small businesses and anyone in between. Call website visitors as soon as they submit a form to further qualify them and then live transfer them to a salesperson. Offer a 24/7 customer service agent to answer questions and collect contact information to call later. When a certain condition is met, you can transfer calls to a live agent. Integrate your APIs into phone calls to inject live data and select from our voice library or create a voice copy. Sign up, send your first call, test your agent and create a robust conversational path. Your agent can fully automate both your inbound and your outbound phone calls.

Machine learning-based speech technologies can be used to automate call centers, monitor quality of service, and perform many other tasks. Use the same advanced technology that powers the wildly popular Alice voice assistant. It's now available for your business. SpeechKit can accurately recognize speech in a fractions of a second. This allows our voice assistants to communicate with ease and quickly. Choose the version that is right for you. The full version creates an intelligent voice assistant, while the adaptive version gives a voice to your brand in a matter of a month. A solution for customers who want to control their own infrastructure and speech processing. SpeechKit ML models are now available for deployment to your infrastructure. We offer hybrid deployments and 100% on-premise deployments of sensitive traffic. The service can recognize audio formats such as MP3, LPCM and OggOpus.

We use realistic voices to create genuine connections with customers, resulting in better results for your business. 97% of customers won't know they're speaking with a robot powered by artificial intelligence. Over 30 neural AI voices which mimic human emotions. Call history, transcriptions & recordings in real-time. 24/7 automated inbound and outbound call management. Accurate messages to ensure perfect conversations. It can be integrated into your existing workflow in 3000+ ways. AI voice agents can be used to manage all types of calls, from sales to customer service. They are cost-effective and efficient. The most cost-effective and intelligent solution for your company. Sales teams struggle to reach all their leads quickly. With a voice agent, you can automate outbound phone calls for sales teams and close clients during telephone calls. Automated lead outreach is available 24/7 to ensure you never miss a sale opportunity. Increase conversion rates with timely and consistent follow up on every lead.

AI voice assistants for businesses of all sizes. Callin's AI voice assistants are designed to boost the growth of businesses by handling inbound and otbound customer conversations. Callin AI agents, which are easy to implement and designed for impactful results - are the quintessential additions to your team, incorporating the AI features that you've always imagined. Callin handles both internal and external calls, and responds to calls that are not answered. Human agents are outperformed in converting leads into customers. Our AI voice agents can be customized to meet your specific business needs. Answer every call, capture details of leads, and book appointments immediately. Follow up on incomplete applications and missing documents. Accelerate the process and maximize conversion. Remind your customers of upcoming appointments and payments, or send them important updates. Handle any number calls in the language of your customer's choice.

HeyMilo AI, a voice agent powered by AI, is a generative voice agent that allows businesses to automate their screening process and engage with candidates through an always-available voice. The agent can be tailored to your role and interview requirements and is designed for unbiased evaluation of candidates.

Coval is a simulation platform that allows engineers to quickly develop AI agents for chat, voice and other modes. Coval automates the testing process to allow engineers to simulate thousands scenarios with a few testcases, allowing comprehensive assessments without manual input. Coval will format test sets created by users. They can add customer transcripts, or describe user intents using natural language. The platform allows for both voice and text simulations to be performed, which facilitates the testing of AI agents using a set scorecard metrics. Comprehensive evaluations are provided to enable performance tracking and root cause analysis. Coval offers workflow metrics to provide observability of system processes and aid in the optimization AI agents.