Claude Opus 4
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in software engineering, achieving leading results on SWE-bench (72.5%) and Terminal-bench (43.2%). Opus 4 supports extended, agentic workflows, handling thousands of task steps continuously for hours without degradation.
The date this AI finished learning. It may not know about things that happened after this date.
The types of content this AI can receive, and what it can produce in return.
The maximum amount of text the AI can read and process in a single request. A larger number means it can handle longer documents or conversations.
The cost of using this AI directly in your own application. Shown in USD per 1 million units of text (tokens).