Best Free AI Tools in 2026

Semantic Scholar uses AI to help researchers find and understand relevant academic papers across all scientific fields.

Khroma uses AI to learn your color preferences and generate endless personalized color palettes and combinations.

tldraw is a collaborative digital whiteboard with AI features that can turn sketches into functional UI code.

Meta AI is Meta's free conversational assistant powered by the open-source Llama 3.1 family of models.

Pi is Inflection AI's personal AI assistant designed for empathetic, supportive, and natural conversations.

Notion Calendar combines AI-powered scheduling with deep Notion workspace integration.