Key Info

Claude Sonnet 5.5 is now available on Requesty, priced at $2 per million input tokens, $10 per million output tokens, and $0.20 per million cache reads—unchanged from Sonnet 5 but with notably better results in coding, agentic work, and everyday tasks.

Highlights

  • Anthropic officially introduces Claude Sonnet 5.5, the second model in the Claude 5.5 family.
  • It is described as a clear upgrade over Sonnet 5, running more than 30% faster and costing up to 30% less for most workloads.
  • Requesty lists exact API pricing per million tokens: $2 input, $10 output, $0.20 cache reads.
  • The cost structure matches Sonnet 5 but promises improved capability across coding and agentic scenarios.