Claude Opus 4.8 reasoning

openrouter
anthropic
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...

Capabilities

Context Window 1M tokens
Max Output 128k tokens
Inputs
Outputs

Pricing (per 1M tokens)

Input $5.00
Output $25.00
Cache Read $0.50
Cache Write $6.25

Supported Parameters

include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstool_choicetoolsverbosity