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anthropic
anthropicAnthropic: Claude Opus 4.1
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.
anthropic/claude-opus-4.1
Context Size
200K
Input Price
92,250 Ks/M
Output Price
461,250 Ks/M
Architecture
Image
Text
File
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Details
TokenizerClaude
Max Completion32,000 tokens
Provider Context200K tokens
ModeratedYes