Side-by-side comparison — features, pricing, pros and cons
OpenAI's general-purpose AI assistant now powered by GPT-5.4 with 1M token context and computer-use capability for desktop automation. Supports text, voice, image, file, and code workflows in one interface. Used by 400M+ weekly active users across professional and consumer contexts.
Notion's native AI layer that operates across your entire workspace — pages, databases, projects, and meeting notes. Updated in 2025 with full workspace Q&A (ask questions across all your notes), automatic action item extraction from meetings, and smarter database queries using natural language. Available as an add-on to any Notion plan at $10/user/month.
| Tool | ||
|---|---|---|
| Pricing | Freemium | Freemium |
| Rating | 4.5 | 4.0 |
| Category | AI Assistants | Productivity |
| Description | OpenAI's general-purpose AI assistant now powered by GPT-5.4 with 1M token context and computer-use capability for desktop automation. Supports text, voice, image, file, and code workflows in one interface. Used by 400M+ weekly active users across professional and consumer contexts. | Notion's native AI layer that operates across your entire workspace — pages, databases, projects, and meeting notes. Updated in 2025 with full workspace Q&A (ask questions across all your notes), automatic action item extraction from meetings, and smarter database queries using natural language. Available as an add-on to any Notion plan at $10/user/month. |
| Features | ||
| GPT-5.4 model with 1M token context window | ||
| Computer-use feature for desktop task automation | ||
| Codex App integration for autonomous coding agents | ||
| Voice mode with real-time conversation | ||
| DALL-E image generation built in as GPT Image | ||
| File upload and analysis (PDF, CSV, images, code) | ||
| Custom GPTs marketplace with 3M+ published agents | ||
| Projects feature for persistent context across sessions | ||
| Workspace Q&A: ask questions across all pages, databases, and team wikis | ||
| Action item extraction from meeting notes with automatic assignee detection | ||
| AI database queries: filter, sort, and analyze data with natural language | ||
| AI writing assistant with context-awareness across the current page | ||
| Autofill database properties using AI from page content | ||
| Summarize long pages and document chains into structured briefs | ||
| Smart search with semantic matching across entire workspace | ||
| Custom AI templates for recurring documents (weekly reviews, project briefs) | ||
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| Website | Visit | Visit |