Anthropic · Model identity
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...
2pricing routes
What published route metadata supports
CachingFile inputReasoningStructured outputTool useVisionWeb search
Input modalities
FilesImageText
Supported API parameters
include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2025-08-05
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterBatch | anthropic/claude-opus-4.1:batch | $7.5 | $0.75 | $37.5 | 200K | OpenRouter API ↗ |
| OpenRouterStandard | anthropic/claude-opus-4.1 | $15 | $1.5 | $75 | 200K | OpenRouter API ↗ |
Tracking from today forward
No verified price changes have been recorded since tracking began on Aug 26, 2026. Today’s catalog is the baseline; LLMPrice does not invent or backfill older prices.
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