Anthropic has launched Claude Opus 5.5 as it cuts model costs and prepares for a November public listing. The release combines lower pricing, faster output, and stronger coding results while competition intensifies among leading AI developers. Claude Opus 5.5 is Anthropic’s new family of Claude 5.5, optimized for coding, research, and professional knowledge work. According to Anthropic, the model’s performance is close to Claude Fable 5.1 with reduced spending for common tasks.