Claude 3 launched as a three-model family (Haiku, Sonnet, Opus). Opus was the flagship and the first Claude model to lead several public benchmarks against GPT-4.
AI model data sheet: Claude 3 Opus
| Developer | Anthropic |
|---|---|
| Released | March 4, 2024 |
| Type | Large multimodal model |
| Context window | 200K tokens |
| Access | claude.ai and API |
| Licence / weights | Closed |
| Best at | Careful analysis, long documents, nuanced writing |
| Why it matters | Top of the first Claude 3 family; set Anthropic’s reputation for writing quality |
Quick verdict: Strong writer and analyst; superseded by newer Claude models.
Later Claude releases overtook it, but it remains an important marker in the 2024 model race.