Claude 4 Opus
JSON →A state-of-the-art language model in the Claude 4 family with advanced reasoning and multimodal capabilities.
Specs
context window 200K tokens
max output 32K tokens
input price $15 / 1M tokens
output price $75 / 1M tokens
Capabilities
tool-usejson-modevisionstreamingfunction-callingprompt-cachingcode-generationreasoning
Dates
releasedMay 2025
API
full doc /v1/models/claude-4-opus-20250514