Anthropic is an American AI company based in San Francisco, organised as a public benefit corporation. It was started in 2021 by a group of former OpenAI staff and is known for the Claude family of models, offered in Opus, Sonnet and Haiku tiers.
- Founded
- 2021
- Type
- Private company
- Founders
- Dario Amodei, Daniela Amodei, Jared Kaplan, Jack Clark, Chris Olah, Ben Mann, Sam McCandlish and Tom Brown
- AI lab
- Inference provider
- 19 hosted endpoints
Releases
20 launches (24 models). Same-day variants are grouped. Sorted newest first.
Claude Fable 5.2Anthropic · Announced - Claude Haiku 5.5Anthropic · Announced
- Claude Sonnet 5.5Anthropic · Announced
- Claude Opus 5.5Anthropic · Announced
- Claude 5.1Anthropic · Announced
- Claude Opus 5Anthropic · Announced
- Claude Sonnet 5Anthropic · Announced
- Claude 5Anthropic · Announced
- Claude Opus 4.8Anthropic · Announced
- Claude Opus 4.7Anthropic · Announced
- Claude Sonnet 4.6Anthropic · Announced
- Claude Opus 4.6Anthropic · Announced
- Claude Opus 4.5Anthropic · Announced
- Claude Haiku 4.5Anthropic · Announced
- Claude Sonnet 4.5Anthropic · Announced
- Claude Opus 4.1Anthropic · Announced
- Claude 4Anthropic · Announced
- Claude Sonnet 3.7Anthropic · Announced
- Claude 3.5Anthropic · Announced
- Claude Haiku 3Anthropic · Announced