Anthropic · Model identity
Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
2pricing routes
What published route metadata supports
CachingFile inputReasoningStructured outputTool useVisionWeb search
Input modalities
FilesImageText
Supported API parameters
include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_kverbosity
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2025-11-24
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 Opus 4.5 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterBatch | anthropic/claude-opus-4.5:batch | $2.5 | $0.25 | $12.5 | 200K | OpenRouter API ↗ |
| OpenRouterStandard | anthropic/claude-opus-4.5 | $5 | $0.5 | $25 | 200K | 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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