Features
Real-time readability analysis and feedback
Simplify text on any website via Chrome extension
Microsoft Word add-in for editors
Microsoft Outlook add-in for email readability
Multilingual support: English, Spanish, German, Dutch, Portuguese
Dyslexia-focused text optimization
Developer API for custom integration
Request-based monthly usage limits
Priority email support on paid plans
Priority phone support on Small Business and Enterprise
Compatible with React, React Native, Swift, Vue.js, WordPress
Identifies difficult words and sentences with suggestions
Very large context window for whole-document analysis
Upload and analyze images, PDFs, text, and design files
Structured output generation (JSON, XML, tables)
Multi-language code writing and debugging
Claude Code artifact support for generating and managing project files
Claude Design for design-to-code round-trips
Claude Tag persistent AI teammate in Slack that learns organizational context
Claude Science workbench integrating databases, pipelines, and tools for computational research
Voice mode on mobile apps (basic text-to-speech)
Constitutional AI safety alignment
API for custom integrations and automation
Web interface and mobile apps (iOS, Android)
Managed agents with dreaming (simulation), outcome tracking, and multiagent orchestration
Self-hosted sandboxes and MCP tunnels for secure execution
Claude Sonnet 5 and Fable 5 models available
