$16.50/$82.50/M
ctx200Kmax32Kavail—tps—
Anthropic's most capable model for highly complex tasks. Excels at open-ended analysis, multi-step reasoning, and research.
Common Name: Claude Opus 4.1
Anthropic's Claude Opus 4.1, an enhanced version of Opus 4 for highly complex tasks.
Anthropic's most capable model for highly complex tasks. Excels at open-ended analysis, multi-step reasoning, and research.
Snapshot of Claude Opus 4 from May 14, 2025. Most capable model for highly complex tasks.
August 2025 snapshot of Claude Opus 4.1, Anthropic's most capable model for complex tasks.
The fastest model in the Claude 4.5 family. Offers quick responses with strong performance for everyday tasks.