Claude Sonnet
Sonnet is a class in the Claude family of LLMs by Anthropic.
External links
Models
| Claude Sonnet 5.5 | 2026-09-28 | Active | 1M | $2 / $10 |
| Claude Sonnet 5 | 2026-06-30 | Active | 1M | $3 / $15 |
| Claude Sonnet 4.6 | 2026-02-17 | Active | 1M | $3 / $15 |
| Claude Sonnet 4.5 | 2025-09-29 | Deprecated | 200K | $3 / $15 |
| Claude Sonnet 4 | 2025-05-22 | Retired | 200K | $3 / $15 |
| Claude 3.7 Sonnet | 2025-02-24 | Retired | 200K | $3 / $15 |
| Claude 3.6 Sonnet | 2024-10-22 | Retired | 200K | $3 / $15 |
| Claude 3.5 Sonnet | 2024-06-20 | Retired | 200K | $3 / $15 |
| Claude 3 Sonnet | 2024-03-04 | Retired | 200K | $3 / $15 |
9 of 9 models