Claude 3.5 Sonnet
Industry-leading reasoning and creative writing capabilities.
Free Alternatives
15 no-cost AI tools in the Chatbots & Assistants space — ranked by features, reliability and real user reviews.
Industry-leading reasoning and creative writing capabilities.
Build AI chat and voice agents collaboratively.
The versatile gold standard for multimodal AI interaction.
Open-source reasoning chatbot with strong math.
ChatGPT sidebar for every site and YouTube video.
Alibaba's multilingual frontier chatbot.
ChatGPT sidebar with image, PDF and translation.
Chat with any PDF document.
Google's multimodal AI deeply integrated with Workspace.
Personal AI chatbot from Inflection focused on empathy.
All-in-one AI assistant Chrome extension.
Open-source visual builder for GPT-powered bots.
Chat with multiple AI models in one app.
Chat with AI characters for entertainment and roleplay.
Free AI PDF reader and editor.