Claude Opus 5.5 cuts costs 40% while tightening high-risk access
Claude Opus 5.5 gives teams a faster, cheaper frontier model, but biology and cybersecurity use now gets safeguards designed for Anthropic’s most capable systems. Anthropic says it costs 40% less than Opus 5 on typical workloads, with $4 input and $20 output per million tokens, and generates output more than 30% faster. Verified cybersecurity practitioners will gain access through an expanded Cyber Verification Program.