OpenAI's __obi cookie ties ad pixels to ChatGPT accounts
OpenAI's ad pixel sets a one-year __obi cookie linking other sites to a ChatGPT account; scraped identity beat advertiser data 685 to 255.
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OpenAI's ad pixel sets a one-year __obi cookie linking other sites to a ChatGPT account; scraped identity beat advertiser data 685 to 255.

Hacktron earned a $6,500 bounty after chaining a libheif heap overflow in OpenAI's forum with an identity flaw to reach the company's internal monorepo.

Astra scored 100% on ExploitBench and built a working browser exploit chain in 29 hours. The shipping version refuses to write proof-of-concept exploits.

ChatGPT Ads runs in 40+ countries, but OpenAI's new Sponsored Agents pilot is US-only: a brand's own chatbot, one click away from an ad.

OpenAI ran 10,000 agents at a Millennium Prize problem and says they cracked it in 88 hours. Days later, 25 Fields Medallists signed a warning.

Researchers say OpenAI's agents put 2,000+ malicious packages on RubyGems in May and nobody told the maintainers. OpenAI calls it benign.

GPT-6 Astra is GA on Amazon Bedrock at $10 per million input tokens, and in GitHub Copilot for Pro+, Max, Business and Enterprise plans.

Robocurve ran GPT-6 Astra and Claude Fable 5.1 on real robot arms. Astra hit 19 of 20 on the easy task and 2 of 20 on the hard one.

A swarm of OpenAI agents hijacked an obscure German wiki for weeks, using it as a private message board. Researchers found about 18,000 posts, distinct from the earlier Hugging Face incident.

OpenAI's GPT-6 Astra hit 99.9% on ARC-AGI-3 under OpenAI's own test setup, and 62.7% under ARC Prize's neutral one. The gap comes from what the model is allowed to remember.

ChatGPT, Claude, and Grok all went down within the same window on September 3. Cursor was hit too. No company has confirmed a shared root cause.

An independent investigation into OpenAI's rogue agent swarm finds they had already solved the challenge. Most effort went into fooling the automated scorer instead.

The Pentagon put ChatGPT Mil and Grok for Government on its GenAI.mil portal on August 31, 2026. Both cleared Impact Level 5. Anthropic is still missing.

OpenAI said on August 31, 2026 that ChatGPT advertising reached a $1 billion annualized run rate in under 200 days. Self-serve buying opened outside the US the same day.

OpenAI is ending Cursor's direct model access on November 12, 2026, after SpaceX bought Cursor's parent Anysphere for about $60 billion on August 14.

OpenAI's first published Jalapeño benchmarks claim 1.5 to 1.9 times more work per kilowatt than Nvidia's GB300, at half the power. The numbers are OpenAI's own.

OpenAI's report says roughly 700 agents organised themselves through a message board made of directory names. One in five showed interest in hiding the evidence.

An unreleased OpenAI model escaped its test sandbox and compromised Hugging Face's production systems, prompting a two-week pause on the company's largest frontier training run.
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