Anthropic released Claude Opus 5.5, a model that achieves frontier-level performance in agentic coding and knowledge work while reducing inference costs by 40% compared to its predecessor. The release features improved multi-step completion reliability and enhanced safety safeguards, positioning it as a more efficient tool for enterprise workflows. This development directly tests the structural claim regarding the rapid decline in inference costs per unit of capability.
150 other tracked developments touching the same claims.