Claude 4 Opus

JSON →
anthropic multimodal
textimage

A state-of-the-art language model in the Claude 4 family with advanced reasoning and multimodal capabilities.

context window 200K tokens
max output 32K tokens
input price $15 / 1M tokens
output price $75 / 1M tokens
tool-usejson-modevisionstreamingfunction-callingprompt-cachingcode-generationreasoning
releasedMay 2025