←Back to NewsAI News/DevelopmentnewsDevelopmentBenchmarksCognition Adds xAI's Grok 4.7 to Devin but Warns of Scope CreepCognition ships xAI's newest model in Devin CLI and Desktop, where it excels at hard backend work but over-scopes on simpler tasks.SourceCognitionPublishedSep 21, 2026, 9:27 PMAuthorAlphaSignal NewsroomRead1 min readCognition ships xAI's newest model in Devin CLI and Desktop, where it excels at hard backend work but over-scopes on simpler tasks.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsBen Dickson · deep-diveUnderstanding the “Harness Tax” Behind Coding AgentsVals AI · newsVals AI's Vibe Code Bench Reveals Top Coding Agents Collapse Below 30%Cognition · newsCognition's Fusion Cuts Devin Coding Agent Costs by 46% With Two-Model Teamwork
