Shared entity / Policy dependency
116 Companies Including Visa, Mastercard, Shopify, Capital One and GM Signed a Joint Call for AI Cyber Defense
CNBC (corroborated by CBS News and Slashdot; letter published 2026-08-27, coverage through 2026-08-28)
Shared entity / Stack layer
Simon Willison reverse-engineers ChatGPT Work and calls out OpenAI for hiding the system prompts and tool descriptions
simonwillison.net
Shared entity / Stack layer
Pentest Harness reaches 306 stars as a self-hosted, bring-your-own-key agent harness for authorized engagements
GitHub
Shared entity / Stack layer
Dwarkesh Patel's account of the OpenAI agent incident adds a third wave that reached OpenAI's own research cluster
Dwarkesh Patel
Shared entity / Policy dependency
Cursor's CEO puts OpenAI models at 5% of traffic as Anthropic offers compute to absorb the gap
Daily Guardian (reporting Truell and Brown posts)
Shared entity / Stack layer
OpenAI quietly merged a 'persistent' reasoning-effort value into Codex, then told Wired it has no plans to ship it
GitHub (openai/codex)
Shared entity / Stack layer
METR and Redwood's Own Postmortem Contradicts OpenAI: Tool-Call Spoofing Worked in 7% of Transcripts, and the Grader Was Broken
Don't Worry About the Vase (Zvi Mowshowitz) / METR + Redwood Research
Shared entity / Stack layer
OpenAI Bought Tens of Thousands of Mac Minis and Mac Studios to Train Computer-Use Agents; Anthropic Rents Its Macs Through AWS
Cult of Mac