Claude Sonnet 4 (2025-05-14)
JSON →A dated snapshot of Anthropic's Claude Sonnet 4 model for consistent API behavior.
Specs
context window 1.0M tokens
max output 64K tokens
input price $3 / 1M tokens
output price $15 / 1M tokens
Capabilities
tool-usejson-modestreamingreasoningcode-generationfunction-callingprompt-cachingvision
Dates
releasedMay 2025
Resources
homepagewww.anthropic.com ↗
API
full doc /v1/models/claude-sonnet-4-20250514