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claude-opus-4-1-20250805

anthropic/claude-opus-4-1-20250805

$15/M input•$75/M output•8/5/2025•Context 200,000

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimized for tasks involving research, data analysis, and tool-assisted reasoning.

Capabilities

StreamingYES
Function CallingYES
VisionYES
JSON ModeNO