Anthropic expands Claude 5.5 lineup with Sonnet model

A representative picture.Anthropic on Monday launched Claude Sonnet 5.5, the second model in its Claude 5.5 family, as the artificial intelligence company expands its product lineup ahead of a planned initial public offering (IPO).Sonnet 5.5 is priced at $2 per million input tokens and $10 per million output tokens, unchanged from its predecessor, Sonnet 5.

Anthropic said the new model requires fewer tokens to complete the same work.The model is positioned as a faster, lower-cost complement to Claude Opus 5.5, which was launched last week at $4 per million input tokens and $20 per million output tokens.Anthropic targets enterprise workloads with Sonnet 5.5Claude Sonnet 5.5 is suited to everyday enterprise tasks including coding, document creation and spreadsheet work, according to Anthropic.Enterprise customers account for about 80 per cent of the company’s business, with clients including Salesforce, Databricks, Goldman Sachs and Novo Nordisk.The launch comes amid growing debate over AI risks.

Anthropic chief executive Dario Amodei earlier this month called on the global AI community to slow the pace of releasing new capabilities to address safety concerns.Sonnet 5.5 is Anthropic’s second model launch amid the debate, following the release of Opus 5.5 last week.Anthropic is also preparing to release Claude Haiku 5.5, the third model in the family, which is designed for fast, high-volume work.