Claude 4 Sonnet
JSON →A balanced multimodal language model in the Claude 4 family optimized for a wide range of tasks.
Specs
context window 1.0M tokens
max output 64K tokens
input price $3 / 1M tokens
output price $15 / 1M tokens
Capabilities
tool-usejson-modevisionstreamingfunction-callingprompt-cachingcode-generationreasoning
Dates
releasedMay 2025
API
full doc /v1/models/claude-4-sonnet-20250514