SourceScore VERITAS · verified claim100% confidence
Anthropic Claude Opus 4 released on: 2025-05-22 by Anthropic.
Subject
Anthropic Claude Opus 4
Object
2025-05-22 by Anthropic
Primary source · official blog · 2025-05-22
Introducing Claude 4 — Anthropic
Last verified 2026-05-16 · 2 sources · 227ecd38519af6c8View full claim →