13 AI Tools Revolutionizing Personal Life and Professional Productivity (2024–2025)
ChatGPT (OpenAI) uses GPT-4 and Gemini models and reached about 200 million users by late 2024. Claude (Anthropic) offers a context window up to 100,000 tokens in Claude 2 to analyze long texts and source code. Google Bard (Gemini) and Duet AI bring Gemini-powered productivity to Google Workspace, with Bard free for general users and Duet AI priced from $30 per user/month. Microsoft 365 Copilot is embedded across Word, Excel, PowerPoint, Outlook, and Teams, uses GPT-4, and enterprise pricing starts around $30 per user/month. Notion AI launched in 2023 and Notion reached over 20 million users by early 2024. GrammarlyGO