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
| Model | Endpoint | Context | Input /M | Output /M | Cached input /M | Cache write /M | Uptime 1d |
|---|---|---|---|---|---|---|---|
 Claude Fable 5 | anthropic | 1M | $10.00 | $50.00 | $1.00 | $12.50 | 100.00% |
| Claude Fable 5.1 | anthropic | 1M | $10.00 | $50.00 | $0.25 | $12.50 | 99.57% |
| Claude Fable 5.2 | anthropic | 1M | $8.00 | $40.00 | $0.20 | $10.00 | 100.00% |
| Claude Fable 5.2 | anthropic/fast | 1M | $16.00 | $80.00 | $0.40 | $20.00 | 100.00% |
| Claude Haiku 4.5 | anthropic | 200K | $1.00 | $5.00 | $0.10 | $1.25 | 100.00% |
| Claude Haiku 5.5 | anthropic | 1M | $0.10 | $0.50 | $0.01 | $0.125 | 100.00% |
| Claude Opus 4.5 | anthropic | 200K | $5.00 | $25.00 | $0.50 | $6.25 | 100.00% |
| Claude Opus 4.6 | anthropic | 1M | $5.00 | $25.00 | $0.50 | $6.25 | 100.00% |
| Claude Opus 4.7 | anthropic | 1M | $5.00 | $25.00 | $0.50 | $6.25 | 100.00% |
| Claude Opus 4.8 | anthropic | 1M | $5.00 | $25.00 | $0.50 | $6.25 | 100.00% |
| Claude Opus 4.8 | anthropic/fast | 1M | $10.00 | $50.00 | $1.00 | $12.50 | 100.00% |
| Claude Opus 5 | anthropic | 1M | $5.00 | $25.00 | $0.50 | $6.25 | 100.00% |
| Claude Opus 5 | anthropic/fast | 1M | $10.00 | $50.00 | $1.00 | $12.50 | 100.00% |
| Claude Opus 5.5 | anthropic | 1M | $4.00 | $20.00 | $0.20 | $5.00 | 100.00% |
| Claude Opus 5.5 | anthropic/fast | 1M | $8.00 | $40.00 | $0.40 | $10.00 | 99.93% |
| Claude Sonnet 4.5 | anthropic | 1M | $3.00 | $15.00 | $0.30 | $3.75 | 100.00% |
| Claude Sonnet 4.6 | anthropic | 1M | $3.00 | $15.00 | $0.30 | $3.75 | 100.00% |
| Claude Sonnet 5 | anthropic | 1M | $2.00 | $10.00 | $0.20 | $2.50 | 100.00% |
| Claude Sonnet 5.5 | anthropic | 1M | $2.00 | $10.00 | $0.10 | $2.50 | 100.00% |