Amazon Lex Alternatives

Apps similar to Amazon Lex include Khoj, which is free and open source. Other options are Syllabi, Tidio , IntentiAI and Botpress. AI Chatbots like Amazon Lex are a crowded field, with more than 25 alternatives for the web, self-hosting, Mac, Windows and Linux.

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Alternatives
Amazon Lex alternatives page was last updated

Alternatives list

  1. LLAMABOT icon
     Like

    Create GPT 3 and 4 powered, embeddable chatbots in 15 seconds. - Unlimited embeddable chatbots - Train them on your own website/data/FAQ/etc. - GPT 3 and GPT 4 - Explorable user logs - 15 seconds to start

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Self-Hosted
    Good alternative?
     
  2. WordPress chatbot plugin with FAQ-first automation and AI fallback via ChatGPT, Claude, Gemini, and Groq. No complex setup, no monthly fees.

    Cost / License

    Application type

    Platforms

    • Wordpress
    Good alternative?
     
  3. ultimate.ai icon
     1 like

    Ultimate.ai is a case automation and agent guidance tool for most common support solutions including Salesforce, Zendesk and Freshdesk.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • Self-Hosted
    • Freshchat
    • Software as a Service (SaaS)
    • Salesforce.com
    • LiveAgent
    • Freshdesk
    • SAP HANA
    • Zendesk
    • Zendesk Chat
    Good alternative?
     
  4. RagLeap icon
     Like

    Self-hosted AI Business Manager with WhatsApp automation, Voice AI, Email management and RAG for businesses in 222+ languages.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  5. NaLU icon
     Like

    A lightweight semantic NLU API and MCP server that extracts and validates clean structured data (names, CPFs, CEPs, handoffs) from chatbot dialogues.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  6. AI-powered chat widget that answers visitor questions by learning from your own website content... no manual training required!.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
  7. Onyx AI icon
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    Onyx (formerly Danswer) is the AI platform connected to your company's docs, apps, and people. Onyx provides a feature rich Chat interface and plugs into any LLM of your choice. Keep knowledge and access controls sync-ed across over 40 connectors like Google Drive, Slack...

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  8. Dasha AI icon
     Like

    The Whitelabel Platform for Building AI Agents. Our powerful platform empowers businesses to craft ultra-realistic voice and text AI agents, capable of performing real-world tasks, by leveraging the latest language models.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
    • Online
    Good alternative?
     
  9. ChatsLoop icon
     Like

    Easily add an AI chatbot to any website in minutes with no coding, as it crawls your site to build a multilingual knowledge base, handles 24/7 automated responses to visitor questions, captures lead details in conversation, and provides analytics dashboard.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • Wordpress
    Good alternative?
     
  10. The way customer conversations and support is done has been broken, redundant, and time and cost inefficient. And Kommunicate aims to correct it. Kommunicate is a modern customer communication software for real-time, proactive and personalised support for growing businesses.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
  11. On-premises Wikifriend platform for automated conversational marketing on Facebook Messenger, ambient listening, IoT, chatbot builder in Berlin

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  12. AlphaChat is a no code platform for automating customer service chat with Natural Language Understanding Conversational AI.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
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