Best AI assistants and AI writing tools in 2026

OpenAI general-purpose AI assistant for writing, research, analysis and images.

Best for: Almost anyone wanting a versatile AI assistant.

• Chat and writing
• Web search
• File and data analysis
• Image generation

Anthropic's AI assistant for writing, analysis, coding and long documents.

Best for: Writing, analysing long documents and coding.

• Chat and writing
• Long document analysis
• Projects
• Artifacts

Google's AI assistant, integrated with Gmail, Docs and Search.

Best for: Google users who want AI inside their Google apps.

• Chat and writing
• Google app integration
• Deep research
• Image and video generation

Writing assistant for grammar, clarity and tone everywhere you type.

Best for: Anyone who writes emails, documents and posts.

• Grammar and spelling
• Clarity and tone suggestions
• Works across apps
• AI rewriting

AI content platform for marketing teams.

Best for: Marketing teams producing on-brand content at scale.

• Brand voice
• Marketing templates
• Campaign workflows
• Image generation

Microsoft's AI assistant across Windows, Edge and Microsoft 365.

Best for: Microsoft 365 users who want AI in Word, Excel, Outlook and Teams.

• Chat with web search
• Microsoft 365 integration
• Image generation
• Windows integration

AI meeting notes, transcription and summaries.

Best for: Professionals who want automatic meeting notes.

• Live transcription
• Meeting summaries
• Joins Zoom, Meet and Teams
• Action items

AI answer engine that searches the web and cites its sources.

Best for: Research and fact-finding with sources.

• Answers with citations
• Follow-up questions
• Pro search
• File analysis

Edit video and podcasts by editing the transcript.

Best for: Podcasters and talking-head video creators.

• Text-based editing
• Filler word removal
• Studio Sound
• Screen recording

AI coding assistant that suggests code and answers questions in your editor.

Best for: Developers using popular IDEs and GitHub.

• Code completion
• Chat in the editor
• Coding agent
• Pull request summaries