Best AI Tools to Build a Chatbot
AI chatbot platforms and conversational-assistant builders.
AI chatbot from OpenAI for writing, coding, research, and everyday questions, with free and paid tiers.
AI assistant from Anthropic focused on writing, coding, research, and analysis, positioned as "the AI for problem solvers."
Google's AI assistant with large context windows, deep Search/Workspace integration, and multimodal (text, image, audio, video) understanding.
Chinese AI lab's free chat assistant and open-weight model family (V3, R1), known for frontier-level performance at a fraction of typical API cost.
Alibaba's AI chat assistant and model family, accessible via web and mobile app, offering multiple model tiers.
Microsoft's AI assistant embedded across Windows, Word, Excel, PowerPoint, Outlook, and Teams, with free consumer access and paid Copilot Pro/Microsoft 365 Copilot tiers.
Meta's free AI assistant integrated across WhatsApp, Instagram, Facebook, and Messenger, with real-time web knowledge and image generation.
Consumer platform for chatting with millions of user-created AI characters — fictional personas, companions, and custom bots — for roleplay and entertainment.
Mistral AI's conversational assistant with chat, code interpreter, document upload, and image generation, with a strong EU privacy focus.
Chat with role-playing AI characters, generate images, and write stories - 100% free and completely private.
Free online code converter supporting 30+ programming languages. Convert code between JavaScript, Python, Java, C++, and more with AI-powered conversion.
Generate, optimize, validate, and explain SQL queries and much more with cutting-edge AI for free.
Ellie connects to Gmail or Outlook and drafts replies overnight in your voice. Wake up to a full inbox of ready-to-send emails. Also available on Microsoft AppSource, with a native Outlook desktop add-in. 7-day free trial, no card needed.
Impress clients effortlessly with AI built for agencies. Connect your meetings, docs, and email context for better AI outputs. Fast and easy. Start free.
Fathom summarizes your meetings so you can focus on the conversation. Available bot-free, it captures notes and improves productivity with instant AI-generated summaries.
The completely free call captioning app making it easy to communicate with anyone, anywhere. FCC certified, 100% private.
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Frequently Asked Questions
Based on real user ratings and reviews, ChatGPT currently ranks #1 for this.
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