Amazon Lex Alternatives

Amazon Lex is described as 'Fully managed artificial intelligence (AI) service with advanced natural language models to design, build, test, and deploy conversational interfaces in applications' and is an app in the development category. There are more than 25 alternatives to Amazon Lex for a variety of platforms, including Web-based, SaaS, Self-Hosted, Mac and Windows apps. The best Amazon Lex alternative is Khoj, which is both free and Open Source. Other great apps like Amazon Lex are Tidio , Danswer, Voicespin and Mavex.ai.

Amazon Lex iconAmazon Lex
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Amazon Lex is a fully managed artificial intelligence (AI) service with advanced natural language models to design, build,...

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Amazon Lex alternatives page was last updated Apr 11, 2025
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  1. Khoj icon

    Khoj

     32 likes
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    Khoj is an open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers.

    142 Khoj alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • IN flagIndia

    Platforms

    • Mac
    • Windows
    • Linux
    chat with an image, see references

    Properties

    1.  Privacy focused

    Features

    1.  AI-Powered
    2.  Text to Image Generation
    3.  No Coding Required
    4.  Works Offline
    5.  Full-Text Search
    6.  Text to Speech
    7.  Dark Mode
    8.  Cloud Sync
    9.  Live Preview
    10.  Ad-free
    11.  Extensible by Plugins/Extensions
    12.  Spell Checking

    Khoj VS Amazon Lex

     

    • Khoj is the most popular Windows, Mac & Linux alternative to Amazon Lex.

    • Khoj is the most popular Open Source & free alternative to Amazon Lex.

    • Khoj is Freemium and Open SourceAmazon Lex is Paid and Proprietary
    • Khoj is Privacy focusedAmazon Lex is not according to our users
  2. Tidio icon

    Tidio

     35 likes
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    Platform offering live chat and AI chatbot services for ecommerce; manages customer inquiries, supports multiple languages, provides analytics, and scales operations affordably with automated Flows handling tasks like lead conversion and abandoned cart recovery.

    40 Tidio alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • BigCommerce
    • Shopify
    • Software as a Service (SaaS)
    • Wordpress
    • WooCommerce
    • PrestaShop
    • Adobe Commerce
    Resolve up to 64% of your tickets with Lyro, the customer service AI agent

    Top Tidio Features

    1.  Built-in AI Assistant
    2.  Customer Segmentation
    3.  Unified inbox
    4.  Auto Responder
    5.  No Coding Required
    6.  Ad-free
    7.  Real time collaboration
    8.  Multiple Account support
    9.  Two-factor Authentication
    10.  Email Scheduling
    11.  Import CSV Data
    12.  WYSIWYG Support

    Tidio VS Amazon Lex

     

    • Tidio is the most popular Web-based, Android, iPhone, iPad, SaaS & Android Tablet alternative to Amazon Lex.

    • Tidio is Freemium and ProprietaryAmazon Lex is Paid and Proprietary
  4. Danswer icon

    Danswer

     4 likes
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    Danswer is an open source enterprise question answering tool.

    License model

    • Free • Open Source

    Platforms

    • Self-Hosted
    Danswer screenshot 1

    Danswer Features

    1.  AI-Powered

    Danswer VS Amazon Lex

     

    • Danswer is the most popular Self-Hosted alternative to Amazon Lex.

    • Danswer is Free and Open SourceAmazon Lex is Paid and Proprietary
  5. Ad
    Screenshot
    Voicespin icon
    Voicespin

    AI-driven solutions enhance support and sales by integrating with CRM, uniting email, live chat, WhatsApp, and social media. Offers 50+ CRM integrations and APIs at no extra cost, featuring VoIP call center software for efficient...

    https://www.voicespin.com
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  6. Voicespin icon

    Voicespin

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    AI-driven solutions enhance support and sales by integrating with CRM, uniting email, live chat, WhatsApp, and social media. Offers 50+ CRM integrations and APIs at no extra cost, featuring VoIP call center software for efficient inbound and outbound calls.

    License model

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Online
    Voicespin screenshot 1

    Voicespin Features

    1.  AI-Powered
    2.  Integration with CRMs

    Voicespin VS Amazon Lex

     

    • Voicespin is the most popular commercial alternative to Amazon Lex.

    • Voicespin is Paid and ProprietaryAmazon Lex is also Paid and Proprietary
  7. Mavex.ai icon

    Mavex.ai

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    Mavy, your personal AI Executive Assistant, can help with all your tasks, from scheduling and calendar management to email drafting and beyond.

    License model

    Application type

    Platforms

    • Software as a Service (SaaS)
    Mavex.ai screenshot 1

    Mavex.ai Features

    1.  AI-Powered

    Mavex.ai VS Amazon Lex

     
  8. SAP Conversational AI icon

    SAP Conversational AI

     9 likes
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    Automate your business processes with AI chatbots Become the ultimate intelligent enterprise by building powerful conversational agents in a heartbeat.

    License model

    • Free Personal • Proprietary

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Online
    SAP Conversational AI screenshot 1

    SAP Conversational AI Features

    1.  Chat Bot
    2.  Chatbot Analytics
    3.  Telegram Bot
    4.  Automatic customer engagement
    5.  Natural Language Processing

    SAP Conversational AI VS Amazon Lex

     
  10. Botpress icon

    Botpress

     7 likes
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    Botpress is an open-source conversational AI platform with a comprehensive set of functionalities for FAQ & task automation. It's lightweight and have zero external dependencies allowing you to deploy it anywhere.

    License model

    • Free Personal • Open Source

    Country of Origin

    • CA flagCanada

    Platforms

    • Self-Hosted
    Botpress screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Spell Checking
    2.  Natural Language Processing
    3. Slack icon  Slack integration
    4. Messenger icon  Facebook Messenger integration
    5. Microsoft Teams icon  Microsoft Teams Integration
    6.  Chatbot Builder
    7. Telegram icon  Telegram integration
    8.  No dependencies

    Botpress VS Amazon Lex

     
  11. ChatbotPack.com icon

    ChatbotPack.com

     3 likes
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    ChatbotPack.com is a next-generation chatbot platform with in-built natural language processing. Using a modular system you may customize each and every module, including adding your own language analytics, security, logging, and integrations to your existing systems and devices.

    License model

    Application type

    Platforms

    • Online

    ChatbotPack.com Features

    1.  Natural Language Processing
    2.  Chatbot Analytics
    3.  Chat Bot
    4.  Telegram Bot
    5.  Automatic customer engagement

    ChatbotPack.com VS Amazon Lex

     
  12. Microsoft Bot Framework icon

    Microsoft Bot Framework

     5 likes
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    Build and connect intelligent bots with Microsoft Bot Framework. Interact with your users wherever they are, from text/sms to Skype, Slack, Office 365 mail and other popular services.

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Microsoft Bot Framework screenshot 1

    Microsoft Bot Framework Features

    1.  VoiP Calls
    2.  Unlock with fingerprint
    3.  Voice Chat
    4.  Bots

    Microsoft Bot Framework VS Amazon Lex

     
  13. Databerry.ai icon

    Databerry.ai

     1 like
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    Databerry.ai helps you build ChatGPT Plugins to connect custom data to ChatGPT! - Talk to your data - Leverage the Plugin Store to captivate users and skyrocket your brand awareness. - Get insights and statistics on how users are interacting with your Plugin!

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Self-Hosted
    Databerry.ai screenshot 1

    Databerry.ai Features

    1.  Chatbot Builder
    2.  Chat Bot
    3.  AI-Powered

    Databerry.ai VS Amazon Lex

     
  14. Dialogflow icon

    Dialogflow

     5 likes
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    Api.ai provides developers and companies with the advanced tools they need to build conversational user interfaces for apps and hardware devices.

    47 Dialogflow alternatives

    License model

    • Freemium • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Dialogflow screenshot 1

    Dialogflow Features

    1.  Voice Commands
    2.  Natural Language Processing

    Dialogflow VS Amazon Lex

     
  15. Hubot icon

    Hubot

     9 likes
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    Hubot is a framework to build chat bots, modeled after GitHub's Campfire bot of the same name, hubot.

    License model

    • Free • Open Source

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Hubot screenshot 1

    Hubot Features

    1.  Extensible by Plugins/Extensions
    2.  Chat Bot
    3.  Chatbot Builder

    Hubot VS Amazon Lex

     
12 of 30 Amazon Lex alternatives