Anthropic · claude-opus

Model Provider

AI safety company building Claude, a family of helpful, harmless, and honest AI assistants.

Active models
17+ 13 deprecated
Families
5
Headquarters🇺🇸 San Francisco, CA
Founded2021
Latest release2026-10-07
API Base URL
Modelsdocs.anthropic.com/en/docs/about-claude/models
Capabilities
Model
Claude Opus 5.5claude-opus-5-5
Claude Opus 5claude-opus-5
Claude Opus 4.8claude-opus-4-8
Claude Opus 4.7claude-opus-4-7
Claude Opus 4.6claude-opus-4-6
Claude Opus 4.5claude-opus-4-5-20251101
Claude Opus 4.5claude-opus-4-5