AIPriceWatch

Claude Sonnet 4.5 pricing

Text model by Anthropic. Sold by 2 providers.

Deprecated on 30 Nov 2026

Prices

API prices in USD, cheapest seller first. Highlighted: lowest for that line.
Sold byPrice linePriceSource
Anthropicper 1M input tokens$3.00Source verified
per 1M cached input tokens$0.30
per 1M output tokens$15.00
OpenRouterresellerper 1M input tokens$3.00Source verified
per 1M cached input tokens$0.30
per 1M output tokens$15.00
per 1M input tokensprompts over 200K tokens$6.00
per 1M cached input tokensprompts over 200K tokens$0.60
per 1M output tokensprompts over 200K tokens$22.50
Price a job with Claude Sonnet 4.5

Limits

Context window
1M tokens
Max output
64K tokens
Released
29 Sep 2025
Deprecated
30 Nov 2026
Open weights
No

Sources

Price history

Loading price history

Other text models

Compare all text model prices

Updated