Anthropic has launched Claude Opus 5.5, describing it as its most powerful model to date. The company says the model delivers performance comparable with its higher-end systems while reducing operating costs by 40% compared with Claude Opus 5. Reuters reports that Anthropic has also incorporated stronger safeguards and conducted external safety testing before release.
The model is priced at $4 per million input tokens and $20 per million output tokens, 20% below Claude Opus 5. Anthropic says Opus 5.5 is designed for demanding software development, knowledge work and long-running AI-agent tasks, and is available through platforms including AWS, Google Cloud and Microsoft Azure