←Back to NewsAI News/DevelopmentnewsDevelopmentLlmsGitHub Adds Claude Sonnet 5.5 to Copilot, Cutting Coding Costs by 30%Anthropic's new mid-tier model lands in Copilot's picker, promising the same coding quality as Sonnet 5 with fewer tool calls and lower per-task cost.SourceGitHubPublishedSep 28, 2026, 6:19 PMAuthorAlphaSignal NewsroomRead1 min readAnthropic's new mid-tier model lands in Copilot's picker, promising the same coding quality as Sonnet 5 with fewer tool calls and lower per-task cost.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%Cursor · newsAnthropic's Claude Sonnet 5.5 Beats Opus on Coding While Cutting Costs 30%GitHub · newsGitHub Brings Anthropic's Claude Sonnet 5.5 to Copilot, Beating Opus on Terminal Tasks
