Best AI Writing Tools (2026)

Anthropic's helpful, harmless, and honest AI assistant

Free / $20/mo Pro / $100/mo Team

• 200K context window
• Artifacts for visual content
• Computer use capability

Advanced AI chatbot by OpenAI for conversation, writing, and analysis

Free / $20/mo Plus / $200/mo Pro

• Natural language conversations
• Code generation & debugging
• Image analysis

AI-powered writing assistant for grammar, clarity, and tone

Free / $12/mo Premium / $15/mo Business

• Grammar checking
• Tone detection
• AI rewriting

AI-powered SEO content optimization and strategy platform

$99/mo Essential / $219/mo Scale / Custom Enterprise

• Content editor
• SERP analyzer
• Keyword research

AI marketing copilot for enterprise content creation

$49/mo Creator / $125/mo Pro

• Brand voice training
• Template library
• Campaign management

AI assistant integrated into your Notion workspace

$10/mo add-on to Notion plans

• AI writing assistance
• Summarization
• Action items extraction

AI-powered marketing copy and content generation platform

Free / $49/mo Pro / Custom Enterprise

• Marketing copy generation
• Workflow automation
• Brand voice