Families
A family is a maker's line of models, such as Claude Opus or GPT-6. Follow a family to get changes to every version, including versions that are not out yet.
Showing 5 families. Most popular is estimated US search interest over recent months, as of Oct 24, 2026. Searches for a family name count toward its current versions, and an older version ranks below the one that replaced it.
Claude OpusModel family at Anthropic · 8 models
Retiring: Claude Opus 4.8 fast mode is deprecated and ends November 30, 2026 · 2d
Claude FableModel family at Anthropic · 2 models
Now available: Full Claude Platform available on Google Cloud (Anthropic managed) · 1w
Claude SonnetModel family at Anthropic · 5 models
Now available: Full Claude Platform available on Google Cloud (Anthropic managed) · 1w
Claude MythosModel family at Anthropic · 3 models
Successor: Claude Fable 5.1 released as the successor to Fable 5 · Sep 1, 2026
Claude HaikuModel family at Anthropic · 4 models
Now available: Full Claude Platform available on Google Cloud (Anthropic managed) · 1w