Claude 3.7 Sonnet is an AI model developed by Anthropic (United States), first published in February 2025. It works in the language, vision and multimodal domain, on tasks such as language modeling/generation, question answering, code generation and 4 more.
Training it took an estimated 3.4×10²⁵ FLOP of compute.
Access: API access. Its weights are not openly released. Epoch AI rates the confidence of this record as likely.
| 01 | Epoch Capabilities Index | ECI Score | 141.7 |