DispatchOpenAI to Acquire Promptfoo — First AI Security Tooling AcquisitionOpenAI Blog·high signalXBlueskyLinkedInCopy linkOpenAI 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 layerPromptfoo adds a Codex Security SDK provider and hardens its code-scan GitHub Action supply chainGitHubShared entity / Policy dependency116 Companies Including Visa, Mastercard, Shopify, Capital One and GM Signed a Joint Call for AI Cyber DefenseCNBC (corroborated by CBS News and Slashdot; letter published 2026-08-27, coverage through 2026-08-28)Shared entity / Threat patternOpenAI and Thailand's MHESI Launch an Eight-Week Accelerator for 10 StartupsOpenAI BlogShared entity / Threat patternOpenAI quietly merged a 'persistent' reasoning-effort value into Codex, then told Wired it has no plans to ship itGitHub (openai/codex)Shared entity / Threat patternOpenAI Is Cutting Cursor Off From Its Models on November 12 After SpaceX Bought AnysphereOpenAI, via r/singularityShared entity / Threat patternOpenAI's Python SDK adds a `compute_units` field to Responses and Chat Completions usageGitHubShared entity / Threat patternOpenAI Retires the DALL·E GPT on August 30 and Adds Multi-Account Google ConnectorsOpenAI Help CenterShared entity / Threat patternMeta's India and Southeast Asia VP Sandhya Devanathan Leaves for OpenAITechCrunch