←Back to NewsAI News/DevelopmentnewsDevelopmentLlmsAnthropic's Claude Sonnet 5.5 Beats Opus on Coding While Cutting Costs 30%Anthropic's new mid-tier model lands in Cursor with 30% faster output, sharper coding scores, and the same token pricing as Sonnet 5.SourceCursorPublishedSep 28, 2026, 8:14 PMAuthorAlphaSignal NewsroomRead1 min readAnthropic's new mid-tier model lands in Cursor with 30% faster output, sharper coding scores, and the same token pricing as Sonnet 5.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsCognition · newsCognition Adds Claude Sonnet 5.5 to Devin, Cutting Coding Costs by 30%GitHub · newsGitHub Brings Anthropic's Claude Sonnet 5.5 to Copilot, Beating Opus on Terminal TasksBen Dickson · deep-diveSystem One models are carving out a new layer in the AI stack
