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 Syllabi, Tidio , IntentiAI and Botpress.

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Alternatives
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Alternatives list

  1. LLAMABOT icon
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    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

    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
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    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
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    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...

    53 Onyx AI alternatives

    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
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    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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