Release announced
Released on Jun 30, 2026
Anthropic announced this model on 2026-06-30.
- Hosting route
- First-party API
- Affected scope
- Not stated in the notice
- Announced
- Jun 30, 2026
- First seen by ModelClock
- Oct 3, 2026
What the provider published
platform.claude.com ↗
- We've launched Claude Sonnet 5 (
claude-sonnet-5), the next generation of our Sonnet model family, at introductory pricing of $2 / $10 per MTok (made the standard price on August 10, 2026).
Read from the provider's text; the quote is the provider's exact lines.