Helicone (Reseller)
Anthropic: Claude Sonnet 4.5 (20250929) Pricing
API pricing for Anthropic: Claude Sonnet 4.5 (20250929) via Helicone. Input tokens cost $3/1M, output tokens cost $15/1M with 200K context window.
Last updated:
ReasoningTools
Input Cost
$3
per 1M tokens
Output Cost
$15
per 1M tokens
Context Window
200K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Reseller
Helicone
Model ID
claude-sonnet-4-5-20250929
Context Window
200K tokens
Max Output
64000 tokens
Cache Read Cost
$0.30000000000000004/1M
Sources