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Claude 4.5 Family - Related AI Models | Phaseo

All model families

Claude 4.5

Models: 3
Release span: Sep 2025Nov 2025

Family members

Newest to oldest

01
Claude Opus 4.5
Anthropic
Nov 24, 2025
active
02
Claude Haiku 4.5
Anthropic
Oct 15, 2025
active
03
Claude Sonnet 4.5
Anthropic
Sep 29, 2025
active