Official Anthropic Resources
Current Models (Claude 4.5 Family - Released 2025)
Claude Opus 4.5
Nov 2025 — World's best for coding, agents, computer use, and complex enterprise tasks. Dramatically improved token efficiency
www.anthropic.com/news/claude-opus-4-5
API & Developer Platform
Anthropic Console
Sign up, get API keys, test prompts, and monitor usage.
console.anthropic.com