SourceScore
SourceScore VERITAS · verified claim100% confidence

Anthropic Claude Sonnet 4 released on: 2025-05-22 by Anthropic.

Subject
Anthropic Claude Sonnet 4
Predicate
released_on
Object
2025-05-22 by Anthropic
Primary source · official blog · 2025-05-22
Introducing Claude 4 — Sonnet 4 and Opus 4 — Anthropic
Last verified 2026-05-16 · 2 sources · f82eba5c7f5fa09fView full claim →