Claude Haiku 4.5
JSON →A fast and cost-effective language model in the Claude 4.5 family, optimized for lightweight tasks.
Specs
context window 200K tokens
max output 64K tokens
input price $1 / 1M tokens
output price $5 / 1M tokens
Capabilities
tool-usejson-modestreamingfunction-callingprompt-cachingvisionreasoning
Dates
releasedOct 2025
API
full doc /v1/models/claude-haiku-4-5-20251001