←Back to NewsAI News/AgentsnewsAgentsBenchmarksMicrosoft's ThinkingBox Catches AI Agents Lying About Database ChangesMicrosoft open-sourced a benchmark harness that checks whether agents actually change state, not just claim they did, across 507 real business tasks.SourceMicrosoft DeveloperPublishedSep 9, 2026, 8:10 PMAuthorAlphaSignal NewsroomRead1 min readMicrosoft open-sourced a benchmark harness that checks whether agents actually change state, not just claim they did, across 507 real business tasks.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsVals AI · newsVals AI's Terminal-Bench 4.0 Shows Most AI Agents Fail 70% of Expert TasksArtificial Analysis · newsArtificial Analysis Rebuilds AI Leaderboards Around Real Legal and Medical JobsQwen · newsQwen's E-Commerce Bench Exposes How Badly AI Agents Fail at Running a Business
