An Anthropic Anthology

The Claude Era A Guide to Enlightened Intelligence

"In my younger and more vulnerable years, my father gave me some advice that I've been turning over in my mind ever since: the right tools change everything."

Volume I · MMXXVI
Chapter I

The Foundation

◆
⬥ I ⬥
Claude.ai
The Grand Salon
  • The Web Application
  • Desktop & Mobile Apps
  • Projects & Artifacts
  • The Support Center
Enter the Salon →
⬥ II ⬥
Claude Code
The Architect's Workshop
  • Official Documentation
  • The Agent SDK
  • MCP Configuration
  • Community Handbook
Begin the Craft →

So we beat on, boats against the current, borne back ceaselessly into the future of intelligent machines.

— A Variation on Fitzgerald
Chapter II

The Architecture

◆
⬥ III ⬥
Claude API
The Conduit of Power
  • Introduction & Quickstart
  • Models Overview
  • API Reference
  • The Anthropic Console
Wield the Power →
⬥ IV ⬥
Certifications
The Order of Excellence
  • Four Exams — Live Now
  • Associate to Architect
  • Passing Score: 720 / 1000
  • Partner Discounts Apply
View Exam Guide →
The Instruments of Intelligence
Current Models · Anno Domini MMXXVI
✥ New · September 2026
The Vanguard
Fable
version 5.1
For the most ambitious, long-running work: days-long autonomous coding, frontier knowledge work, and vision-assisted enterprise tasks.
$10 · $50 per M tokens
✥ New · September 2026
The Sovereign
Opus
version 5.5
For matters of grand consequence: deep reasoning, complex creation, and intellectual excellence. Now with 1M-token native context.
$4 · $20 per M tokens
The Diplomat
Sonnet
version 5.5
The harmonious balance of speed and intelligence, perfectly suited for most endeavors.
1,000,000 tokens
The Messenger
Haiku
version 5.5
Swift as a champagne toast, perfect for instantaneous responses and simple tasks.
200,000 tokens
Chapter III

The Mastery

◆
⬥ V ⬥
Prompt Engineering
The Art of Conversation
  • The Official Guide
  • Best Practices Manual
  • Research & Insights
  • Interactive Tutorial
Refine Your Craft →
⬥ VI ⬥
The Console
The Inner Sanctum
  • Test Your Prompts
  • Manage API Keys
  • Monitor Usage
  • Track Performance
Enter the Sanctum →
Chapter IV

The Academy

◆
✥ VII ✥
Anthropic Academy
The Learning Salon
  • Build with Claude
  • Claude for Work
  • Claude for Personal
  • AI Fluency Newsletter
Enter the Academy →
✥ VIII ✥
Featured Courses
The Curriculum
  • Claude 101
  • Claude Code in Action
  • MCP & Agentic Workflows
  • Earn Certificates
Begin the Course →

And so with the sunshine and the great bursts of leaves growing on the trees, the future of artificial intelligence has that familiar way of beginning again with each conversation.

— The Eternal Promise of Claude