Anthropic · Model identity
Claude Sonnet 4
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
1pricing route
What published route metadata supports
CachingFile inputReasoningTool useVisionWeb search
Input modalities
FilesImageText
Supported API parameters
include_reasoningmax_tokensreasoningstoptemperaturetool_choicetoolstop_ktop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2025-05-22
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare Claude Sonnet 4 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | anthropic/claude-sonnet-4 | $3 | $0.3 | $15 | 1M | OpenRouter API ↗ |
Tracking since Aug 26, 2026
No verified price changes have been recorded since tracking began on Aug 26, 2026. The Aug 26, 2026 catalog is the baseline; LLMPrice does not invent or backfill older prices.
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