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Anthropic: Claude Opus 4.5
anthropic/claude-opus-4.5
VisionTool useJSONReasoningStreaming
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...
Pricing
Input
$5.00 / 1M
Output
$25.00 / 1M
Specs
Context
200,000 tokens
Input
file, image, text
Output
text
Released: 2025-11
Supported parameters
include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_kverbosity