anthropic

Claude Opus 4.8

anthropic/claude-opus-4.8

Ratings & Rankings

Input Cost

$5.0000

9/100

Output Cost

$25.0000

8/100

Context Window

79/100

Overall

32/100

Key Specifications

Context Window1M

Max Output128K

TokenizerClaude

Input Modalitiestext, image, file

Output Modalitiestext

Pricing

Input (per M tokens)$5.0000per million tokens

Output (per M tokens)$25.0000per million tokens

Input & Output

You send

textimagefile

You get

text

Capabilities

✓Function calling

✓Structured outputs

✓Unmoderated

About

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...

Supported parameters

include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstool_choicetoolsverbosity