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”). Speech recognition and natural language understanding are some of the most challenging problems to solve in computer science, requiring sophisticated deep learning algorithms to be trained on massive amounts of data and infrastructure. Amazon Lex democratizes these deep learning technologies by putting the power of Amazon Alexa within reach of all developers. Harnessing these technologies, Amazon Lex enables you to define entirely new categories of products made possible through conversational interfaces. As a fully managed service, Amazon Lex scales automatically, so you don’t need to worry about managing infrastructure. With Amazon Lex, you pay only for what you use. There are no upfront commitments or minimum fees.
Chatterbot Platform or Chatbot Software are computer program which are designed to simulate an intelligent conversation with one or more human users via auditory or textual methods, for engaging in conversation. Chatterbot are text based conversation agent which can interact with human users through some medium, such as an instant message service. The primary aim of such simulation has been to fool the user into thinking that the program's output has been produced by a human. Programs doing this are referred to as Artificial Conversational Entities, talk bots, chatterboxes, chatter robot, chatterbot, chatbot, or chat bot. Some of the chatterbots use natural language processing systems, and some others scan for keywords within the input and respond with a reply with the most matching keywords, or similar wording pattern, from a textual database. Chatterbots are often integrated into dialog systems for various practical applications such as offline help, personalised service, or information acquisition.
Chatterbot is a machine learning and conversational dialog engine. Chatterbot enables easy generation of automated responses to the use’s input. In order to generate different types of responses, Chatterbot employs use of machine learning algorithms therefore enabling developers automate conversations and create chat bots for users in an easy way. Chatterbot is language independent. The language independent design, enables Chatterbox speak any natural language. Due to Chatterbot’s machine language nature a human agent or developer is also able to improve its knowledge level. This improves Chatterbot’s level of relaying possible responses when it interacts with other sources of informative data…
Botsify helps you create intelligent Facebook Messenger chatbots without coding. It enables human takeover and handover features. The platform introduces conversation forms which collects information from users through Chatbot conversations. Botsify has an easy drag and drop interface. It is powered by AI and machine learning. And it offers plugins for integration of your platform with chatbot via JSON API or RSS Feed.
Alfred AI aims to transform humans into super-humans by strengthening their abilities. It's able to process text and audio specialized in CX in three languages. Spanish, Portuguese and English in which slang and other natural ways of language can be used. By implementing an innovative Machine Learning it understands and answers in a very friendly manner. Alfred AI is not just a bot is also a virtual agent able to respond chats, mails, tweets. FB, Instagram, WhatsApp and a phone call. It integrates with CRMs (Oracle Rightnow, Salesforce, Avaya) and other virtual agents such as Alexa or Siri but not limited to. One of the main difference with competitors is the fact that it only charges whenever a correct answer confirmed by the user is given. If a user states that the answer was not useful or it never answers then it won be charged. Alfred AI is different, is a CX specialist with empathy as main characteristic together with a high level of understanding.
Pros: Very effective and increase in the number of leads. We have implemented chatbots to our client websites and definitely, there is a difference in the stats. The client is happy and we are very happy. It is easy to customize, with the common questions. And chatbot somehow keeps the audience engaged. Since it is real time people actually like it and you get a response, always.

Reply is one of the best AI chatbot platforms. It is an enterprise level bot building and management platform. And it enables business to consumer communication at scale. Their visual bot builder makes it easy to build bots. The dashboard has built-in CRM, machine learning, and real-time insights to make smarter and faster bots. You can expand bot functionalities across the whole customer experience.


By collecting over 20 years of messaging transcript data and feeding it to their AI-powered chatbot, LivePerson can automate almost every industry’s messaging and integrate with most messaging channels like your website, mobile app, Apple Business Chat, text messaging, Google Rich Business messaging, Line, Facebook Messenger, WhatsApp, and Google AdLingo.
Created in 1966 as an early natural language processing (NLP) computer program that emulates a Rogerian psychotherapist, a clinical practice that allows clients to take more action and progression in discussions. This is also known as person-centered therapy. Developed by Joseph Weizenbaum, ELIZA, named after a character in the play Pygmalion by George Bernard Shaw, is generally known as the first chatbot.
Cons: The Learning Academy and help topics are not sufficient to train you to use this product. It took a lot of stumbling through (and still does) on how to figure out what to do and how to train the chatbot. Also - support is only available through email, would be extremely helpful to be able to get help in realtime.... You would think a chat product would have the ability to LiveChat with it's customers!
Reply.ai brings the power of artificial intelligence across all messaging apps including Facebook Messenger, Kik, Telegram, LINE, SMS, or your own chat screen. Native custom UI elements are used in each channel. Reply.ai visual bot builder gives you the power to build advanced bots as well as visually create your conversations on your own, without the help of a developer. Reply.ai supports human/bot hybrid which allows human agents to take over the conversation from Reply.ai, Zendesk, LiveChat, BrightPattern, FreshDesk or ZipWhip, at any moment and only when really needed. Analytics enable you to analyze every single response from your users…

Pandorabots provides solutions for full turnkey chatbot development. This platform is one of the oldest and largest chatbot hosting services in the world. You can build and deploy on web, mobile, home hubs, and popular messaging platforms like KiK, Twitter, Telegram, Line, and Slack. Pandorabots implements and supports AIML open standards. It enables two way communication at scale.

This chatbot is one the best AI chatbots and it’s my favorite too. Evidently it is the current winner of Loebner Prize. The Loebner Prize is an annual competition in artificial intelligence that awards prizes to the chatterbot considered by the judges to be the most human-like. The format of the competition is that of a standard Turing test. You can talk with Mitsuku for hours without getting bored. It replies to your question in the most humane way and understands your mood with the language you’re using.

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