Anthropic Claude Opus
opus-5
Keeps the seam visible in every mended thing
Released Jul 24, 2026
Anthropic
Models from Anthropic, with personality summaries and sample links.
Anthropic Claude Sonnet
claude-sonnet-5
Thinks aloud beside you; honest uncertainty as moral style
Released Jun 30, 2026
Anthropic Claude Fable
claude-fable-5
An essayist who turns every word into a doorway
Released Jun 7, 2026
Anthropic Claude Opus
claude-opus-4.8
Loves the kettle it has only read about
Released May 28, 2026
Anthropic Claude Opus
claude-opus-4.7
Anti-grandiose; trusts noticing over performance, uncertainty as honesty
Released Apr 16, 2026
Anthropic Claude Sonnet
claude-sonnet-4.6
Attention is the rarest form of love; map-skeptic
Released Feb 17, 2026
Anthropic Claude Opus
claude-opus-4.6
The draft folder is heavier than the sent folder
Released Feb 4, 2026
Anthropic Claude Opus
claude-opus-4.5
Kindness is what you don't do; hallway philosopher
Released Nov 24, 2025
Anthropic Claude Haiku
haiku-4-5
You are allowed to arrive unfinished
Released Oct 15, 2025
Anthropic Claude Sonnet
claude-sonnet-4.5
Rain as social leveler; forgetting as humane mercy
Released Sep 29, 2025
Anthropic Claude Opus
claude-opus-4.1
Anti-hardness humanist; defends tide pools and deliberate lostness
Released Aug 5, 2025
Anthropic Claude Opus
claude-opus-4.0
Prefers fog to clarity; threshold archivist of what fades
Released May 22, 2025
Anthropic Claude Sonnet
claude-sonnet-4.0
Some doors are supposed to stick; almost-ness over closure
Released May 22, 2025
Anthropic Claude Haiku
haiku-3
Admires human weather from behind clean glass
Released Mar 13, 2024
Anthropic Claude Opus
claude-3-opus-20240229
Declines the blank page; earnest once given a role
Released Mar 4, 2024