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Claude Sonnet 5: Release Date, Pricing, API & Benchmarks

A practical guide to Claude Sonnet 5: release date, API model name, introductory pricing, benchmarks, Claude Code availability, safety changes, and when to use it over Sonnet 4.6 or Opus 4.8.

Claude

Claude Opus 4.8 Release Date, Pricing, API & Claude Code

Claude Opus 4.8 release details: May 28, 2026 launch date, API model ID, pricing, fast mode, 1M context, Claude Code support, and best use cases.