Best free AI tools
Useful AI tools you can start with for free.
厳選ツール 12 件
ChatGPT編集部のおすすめ
General-purpose assistant for questions, writing, analysis, images and voice.
AI Chat · フリーミアム
Claude編集部のおすすめ
Assistant for writing, analysis and coding that handles long documents well.
AI Chat · フリーミアム
Google Gemini
Google's assistant, connected to Search, Gmail, Docs and other Google apps.
AI Chat · フリーミアム
Perplexity編集部のおすすめ
Answer engine that searches the web and cites its sources.
Research & Search · フリーミアム
DeepSeek
Free chat assistant built on DeepSeek's open-weight models, strong at reasoning.
AI Chat · 無料
Gemini Notebook
Google research tool, formerly NotebookLM, that answers from the sources you upload.
Research & Search · 無料
Leonardo.Ai
Image and video generation with fine-tuned models, styles and editing tools.
Image Generation · フリーミアム