Claude Guide: Claude.ai Plans, API Keys and Pricing

Guides to Anthropic’s Claude: per-token API pricing, getting and securing an API key, Claude.ai subscriptions and how they differ from the API.

All Claude guides

• Claude API Pricing 2026: Model Tiers and How to Save

  How Claude API tiers compare: Fable, Opus 5.5, Sonnet and Haiku 5.5, plus batch, caching and long-context rules, linked to Anthropic's official prices.

  Updated October 18, 2026
• Claude Pro vs Max vs API: Limits, Tiers and Which to Pick

  Pro is the entry paid plan, Max sits above it with 5x or 20x usage and API credits, and the API is pay per token. How the limits work and which to pick.

  Updated October 18, 2026
• How to Get a Claude API Key (2026): Step by Step

  Get an official Claude API key in five minutes: create a Claude Console account, add credits, create a key at platform.claude.com/settings/keys, test it.

  Updated October 18, 2026