About This Tool
Claude 4 is Anthropic's latest advance, featuring unprecedented reasoning capabilities and a 200,000-token context window. It's designed to be exceptionally natural in its writing, whilst providing more reliable and safer outputs than traditional models.
With the new 'extended thinking' mode, Claude 4 can pause, consider multiple steps, and use external tools to solve highly complex, multi-stage problems with remarkable accuracy and transparency.
Key Features
- SOTA reasoning and long-context (200K) recall
- 'Extended thinking' for complex tool use and planning
- Artifacts UI for rendering code and diagrams in-chat
- Constitutional AI design for safety and reliability
- Claude Code for deep, multi-file software engineering
Common Use Cases
- Massive legal and business document analysis
- Complex software architecture and coding
- Creative long-form writing and editing
- Scientific research and data synthesis
- Strategic planning with multi-step tools
Pros & Cons
✅ Pros
- Most natural and non-robotic writing style
- Exceptionally reliable for complex logical tasks
- Safety-first design prevents harmful misuse
❌ Cons
- Smaller external tool ecosystem than GPT
- Strict safety guardrails can sometimes over-refuse
- Smaller free-tier limits for top models
Tags & Integrations
Pricing Model
Free basic tier with Claude 3.5/4 Sonnet. Pro at $20/month for Opus and extended limits.