Best Voice Bot Platforms for Startups

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.

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.

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.

TIXAE Agents.ai is a platform designed to simplify the creation, deployment, and management of AI-powered voice and text agents. It offers tools for building customizable agents, importing data from sources like PDFs and URLs, and deploying across channels such as WhatsApp, Discord, and Instagram. The platform includes real-time analytics, live handoff features, and white-label branding options, making it suitable for both developers and non-technical users. Create and customize an agent for yourself or your client. Organize and control the data your agent will use. Use our scrape tools to pull data from URLs, upload PDFs, or link other relevant documents. Refine your agent by adjusting the prompts to improve responses. Run AB testing to find the best version. Launch your voice and text agents on popular platforms such as WhatsApp, Discord, Instagram, Facebook, Meta, and more in just seconds. With TIXAE AGENTS.ai, your agents will be wherever your users are.

Coval is a simulation and evaluation platform designed to accelerate the development of reliable AI agents across chat, voice, and other modalities. By automating the testing process, Coval enables engineers to simulate thousands of scenarios from a few test cases, allowing for comprehensive assessments without manual intervention. Users can create test sets by adding customer transcripts or describing user intents in natural language, with Coval handling the formatting. The platform supports both text and voice simulations, facilitating the testing of AI agents against a set of scorecard metrics. Comprehensive evaluations of agent interactions are provided, enabling performance tracking over time and root cause analysis of specific runs. Coval also offers workflow metrics that provide observability into system processes, aiding in the optimization of AI agents.

Triviat is a full-featured AI communication platform built for modern businesses that want to streamline customer support, sales, and appointment management. It allows companies to deploy intelligent voice and chat agents that work 24/7 across all major channels — including phone, web chat, email, SMS, WhatsApp, and social media. Triviat’s agents deliver human-like conversations in over 50 languages, making them ideal for global brands and multi-location service providers. Whether it’s handling appointment bookings, answering FAQs, processing orders, or qualifying leads, Triviat reduces support costs while improving speed and consistency. For complex interactions, conversations are smoothly handed off to human agents. With industry-specific use cases (e.g. retail, healthcare, hospitality, auto service), integrations with 5,000+ tools, and built-in compliance with GDPR and the EU AI Act, Triviat is a scalable and secure solution for AI-driven business communication.

Headquartered in San Mateo, Yellow.ai is a leading enterprise-grade Conversational AI Platform, enabling enterprises to unlock business potential at scale. The platform is trusted across 85+ countries by 1000+ enterprises, including Domino’s, Sephora, Hyundai, MG Motors, Biogen International, Edelweiss Broking, Siemens Limited, Food Panda, Zalora, Zenyum, JD.ID, Carrefour, Kuwait Food Company (Americana), Choithrams, Amouage Oman, Arabian Radio Network, Bharat Petroleum, Waste Connections US and Tata. Powered by Dynamic AI agents for enterprises, the company aims to deliver human-like interactions that boost customer satisfaction and increase employee engagement at scale, through its no-code/low-code platform. Recognised by Frost & Sullivan, Forrester, Gartner, IDC, and G2 as a leader, the company has raised more than $102M from blue-chip investors and has offices across six countries.

Easily create AI voice assistants to make outbound calls, answer inbound calls, and schedule appointments 24/7 - no coding required! Forget lengthy development cycles and expensive machine learning teams. With Synthflow you can build sophisticated, tailored AI agents without technical skills or coding - just bring your data and ideas. Over a dozen specialized AI agents are ready to use for question answering, document search, process automation, and more. Choose an agent as-is or customize it to suit your needs. Upload data instantly from PDFs, CSVs, PPTs, URLs and more. Your agent gets smarter with every new piece of data. No caps on storage or computing resources. Store unlimited vector data in your dedicated Pinecone environment. Gain full control and transparency over how your agent learns and improves. Give your AI agent superpowers by connecting it to any data source or service.