Retell AI vs. Vapi AI Comparison Chart

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.

Google AI Studio is a unified development platform that helps teams explore, build, and deploy applications using Google’s most advanced AI models, including Gemini 3. It brings text, image, audio, and video models together in one interactive playground. With vibe coding, developers can use natural language to quickly turn ideas into working AI applications. The platform reduces friction by generating functional apps that are ready for deployment with minimal setup. Built-in integrations like Google Search enhance real-world use cases. Google AI Studio also centralizes API key management, usage monitoring, and billing. It offers a fast, intuitive path from prompt to production powered by vibe coding workflows.

Squaretalk is a powerful contact center solution that transforms how modern teams connect with prospects and customers, convert sales opportunities, and grow their operations. The combination of AI Voice Agents, calling and WhatsApp Business messaging, AI-powered automation, and affordable scalability ensures that companies of all sizes shorten their sales cycle and elevate outreach without additional complexity or costs. Squaretalk’s platform offers omnichannel communication, powerful call-handling features, automated transcripts, sentiment analysis, contact management, customizable workflows, advanced reporting, and enterprise-grade security. With local numbers in over 150 popular and niche destinations, we enable businesses to establish and maintain a local presence, build trust, and support their global expansion. Discover how Squaretalk’s cloud contact center platform can enhance your team’s connection rates and performance.

Assembled is the only platform that unifies AI agents and intelligent workforce management to power fast and flexible support operations. Built for scale, we help teams automate over 50% of customer interactions, forecast with 90%+ accuracy, and optimize staffing across in-house and BPO teams. Orchestrate every chat, email, or call, balancing workloads between human and AI agents in real time — without sacrificing quality or control. Trusted by Stripe, Canva, and Robinhood, Assembled transforms support from a cost center into a strategic advantage. Our Workforce and Vendor Management tools connect forecasting, scheduling, and performance for smarter staffing decisions. AI Agents automate conversations across channels with your workflows and brand voice. AI Copilot empowers agents with real-time guidance, suggested replies, and one-click actions for faster, higher-quality resolutions.

Phonexa is an enterprise-grade tracking and distribution platform for calls, leads, fraud, and compliance, in addition to a fully integrated stack of tools that enable marketers to track and optimize performance. At the core of the Phonexa ecosystem are LMS Sync for intelligent lead management and lead distribution, and Call Logic for advanced call tracking, routing, AI Call Agents, and pay-per-call campaigns, each enhanced by automation and real-time analytics. With a global presence, Phonexa supports clients across diverse industries, including insurance, financial services, home services, and beyond.

Build, deploy, and scale machine learning (ML) models faster, with fully managed ML tools for any use case. Through Vertex AI Workbench, Vertex AI is natively integrated with BigQuery, Dataproc, and Spark. You can use BigQuery ML to create and execute machine learning models in BigQuery using standard SQL queries on existing business intelligence tools and spreadsheets, or you can export datasets from BigQuery directly into Vertex AI Workbench and run your models from there. Use Vertex Data Labeling to generate highly accurate labels for your data collection. Vertex AI Agent Builder enables developers to create and deploy enterprise-grade generative AI applications. It offers both no-code and code-first approaches, allowing users to build AI agents using natural language instructions or by leveraging frameworks like LangChain and LlamaIndex.

Google Cloud’s Speech API processes more than 1 billion voice minutes per month with close to human levels of understanding for many commonly spoken languages. Powered by the best of Google's AI research and technology, Google Cloud's Speech-to-Text API helps you accurately transcribe speech into text in 73 languages and 137 different local variants. Leverage Google’s most advanced deep learning neural network algorithms for automatic speech recognition (ASR) and deploy ASR wherever you need it, whether in the cloud with the API, on-premises with Speech-to-Text On-Prem, or locally on any device with Speech On-Device.

Our autodialer software are used for automating sales calls, payment collections, appointment reminders, phone polling and market research. It can also be used for mass emergency voice broadcasting. The system is ideal for Telcos and companies selling callcenter services as it is multi-tenant with billing and white-labeled while being economical to run as you choose your own Voice Provider. Our autodialer software can massively increase productivity by dropping busy, unanswered and disconnected line, passing calls answered by real people back to your agents, and leaving messages on answering machines.

kama.ai is a Responsible AI Agent platform that blends knowledge graph AI with advanced generative models for trustworthy Hybrid AI Agents. It empowers industries such as finance, education, healthcare, and Indigenous services with culturally aware, ethical, and accurate AI. By incorporating human governed-in-advance processes and information, kama.ai lowers the barriers for enterprise AI Agent adoption, making sure organizations gain efficiency without risking reliability and reputation. Our Virtual Agents support your organization over website chat interfaces, Facebook Messenger, smart speakers, or from within mobile applications. Ultimately, we get the right information, to the right people, at the right time. That increases client engagement, 24x7, and builds your brand's credibility, trust, and loyalty. When it’s got be right, it’s got to be kama.ai.

Podium is a comprehensive AI-driven lead management and communication platform utilized by over 100,000 businesses seeking to enhance customer acquisition and retention. At the heart of Podium’s innovation is its AI employee, which ensures businesses respond to incoming leads instantly around the clock, dramatically improving conversion rates and revenue growth. The platform assists businesses in generating more customer reviews, improving their Google rankings, and unifying their lead channels into a single, manageable dashboard. Through the web and mobile applications, businesses can call and text customers, send payment links for quick transactions, and deploy bulk messaging campaigns to boost repeat sales. Podium’s powerful AI-driven automations seamlessly manage customer interactions across multiple communication platforms, providing accurate and timely responses that help drive sales.