All model prices

Claude Opus 5.5

Anthropic · claude-opus-5-5

Claude Opus 5.5 from Anthropic: $4 per million input tokens, $20 per million output tokens, $0.2 per million cached input tokens.

Prices in US dollars per million units
RatePriceApplies
Input$4 per 1M input tokensOrdinary
Cached input$0.2 per 1M cached input tokensOrdinary
Cache write$5 per 1M cache write tokensOrdinary
Output$20 per 1M output tokensOrdinary
Input$2 per 1M input tokensBATCH tier
Cached input$0.1 per 1M cached input tokensBATCH tier
Cache write$8 per 1M cache write tokenscache kept 3,600 seconds or more
Cache write$2.5 per 1M cache write tokensBATCH tier
Output$10 per 1M output tokensBATCH tier
Released
22 Sep 2026
Most input tokens
1,000,000
Most output tokens
128,000