←Back to NewsAI News/LlmsnewsLlmsInfraAnthropic's Opus 5.5 Cuts Agentic Coding Costs 40% While Running 30% FasterAnthropic's new flagship model matches Fable 5.1 quality on most work while cutting costs 40%, with faster output and stronger alignment scores.SourceClaudePublishedSep 22, 2026, 4:31 PMAuthorAlphaSignal NewsroomRead1 min readAnthropic's new flagship model matches Fable 5.1 quality on most work while cutting costs 40%, with faster output and stronger alignment scores.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsAlphaSignal · repoHyperQwen Runs Qwen3.8-27B on a Single RTX 3090 at 1,035 tok/sAlphaSignal · repoMia AI Lab Runs GLM-5.3-Flash Across Two DGX Sparks at 146 tok/sBen Dickson · deep-diveWhat DeepSeek-V4.1-Flash teaches us about efficient AI