Anthropic Launches Claude Opus 5.5, Sonnet and Haiku 5.5 to Follow

Anthropic introduces Claude Opus 5.5, available across all platforms including AWS, Google Cloud and Microsoft Azure Opus 5.5 priced at $4 per million input tokens and $20 per million output tokens Anthropic: Opus 5.5 performs at the level of Claude Fable 5.1 on most workloads while costing around 40% less to run than Opus 5 Anthropic increases five-hour usage limits by 20% across all subscription plans Lower pricing means five-hour and weekly limits for Opus 5.5 go 25% further Anthropic plans to launch Claude Sonnet 5.5 and Haiku 5.5 in the coming weeks