DispatchOpenAI to Acquire Promptfoo — First AI Security Tooling AcquisitionOpenAI Blog·high signalOpenAI acquiring Promptfoo red-teaming and evaluation platform. Strategic move to bring security testing in-house. Open-source commitment maintained.SourceSource pageOpenAI Blog↳ Follow the threadShared entity / Stack layerGPT-5.6 becomes the default model in Microsoft 365 CopilotOpenAIShared entity / Policy dependencyAltman: OpenAI Made 'Many Changes' to GPT-5.6 After Talks With Trump Administration Officials, Pushes Back on 5% Stake ReportsCNBCShared entity / Stack layerDeutsche Telekom Rebuilds Around OpenAI Across Customer Service and Network OperationsOpenAIShared entity / Stack layerOpenAI's GPT-Live-1 Makes Voice Full-Duplex and Delegates Hard Reasoning to GPT-5.5OpenAIShared entity / Stack layerOpenAI's Official GPT-5.6 Announcement: Fewer Tokens per Task, Not Just a Higher CeilingOpenAIShared entity / Stack layerOpenAI launches ChatGPT Work, an agentic workspace on GPT-5.6, with Sol/Luna/Terra model tiersInfoWorldShared entity / Stack layerChatGPT for PowerPoint Hit GA July 11 — OpenAI Pushes Metered Agentic Office Tasks Into the Presentation-Software LayerTech TimesShared entity / Policy dependencyEngadget: OpenAI Needed Government Permission to Roll Out GPT-5.6 on July 9Engadget