Anthropic: Claude Opus 4

anthropic/claude-opus-4

Created May 22, 2025200,000 context

$15/M input tokens$75/M output tokens

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.

Anthropic: Claude Opus 4

anthropic/claude-opus-4

Created May 22, 2025200,000 context

$15/M input tokens$75/M output tokens

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.

Sample code and API for Claude Opus 4

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Using third-party SDKs

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