Side-by-side comparison of free tiers, features, privacy, and company background. Updated for 2026.
GPT-4o with browsing, uploads, image gen
The most popular AI chatbot with over 100 million users, offering GPT-4o with web browsing, file uploads, image generation, and a growing plugin ecosystem. The free tier gives limited but meaningful access to the best features. Best for general-purpose AI assistance across any topic.
Visit chat.openai.com → Sign up with email or Google → Start chatting with GPT-4o, upload files, or generate images
Mistral's free chatbot — fastest response times, European privacy
Le Chat is Mistral's flagship chatbot, powered by their Large and Medium models with web search, code interpreter, and image generation. Known for being the fastest mainstream chatbot (1000+ tokens/sec) and built under French/EU privacy laws. Best for users who want speed and GDPR-grade data handling.
Visit chat.mistral.ai → Sign up with email (no credit card) → Chat with Mistral Large, enable web search, or generate code