OpenAI's conversational AI assistant for writing, brainstorming, coding, analysis, and everyday questions. The free tier includes GPT-class models, file uploads, and image generation with daily limits.
FreemiumFree planAPIGeneral-purpose
Anthropic's AI assistant known for thoughtful long-form writing, coding, and analysis of large documents. Free tier available; paid plans unlock higher limits and the most capable models.
FreemiumFree planAPIGeneral-purposeGoogle's AI assistant built into Search, Gmail, and Docs, with a standalone chat app for writing, research, and image generation. Generous free tier with a Google account.
FreemiumFree planAPIGeneral-purposeMeta's free AI assistant inside WhatsApp, Instagram, Messenger, and the web — chat, image generation, and question answering with no subscription required.
FreeOpen-source AI chatbot platform with a free cloud tier and on-premise deployment option.
FreeChat with millions of user-created AI characters for entertainment, language practice, and storytelling. Free to use with an optional subscription.
FreemiumFree plan
