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On October 29, OpenAI updated the Model Spec, upgrading the model behavior guidelines around five values: being loyal to human intent, reducing harm, honesty and transparency, promoting human autonomy, and caring for others. The new version shifts the focus from what chatbots can say to how much agents can do, stipulating that agents must act within agreed autonomy boundaries, remain correctable, and cooperate with shutdown, while establishing a six-level instruction hierarchy of Root, System, D

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The Wikimedia Foundation filed a motion on October 29, 2026, with Judge Sidney H. Stein seeking to submit an amicus curiae brief in the OpenAI copyright case; the brief's main text runs 5,831 words and states that it does not take sides with either party. The brief argues that pretraining of ChatGPT's general-purpose large language models constitutes fair use, but that its RAG feature's reproduction and use of content does not constitute fair use and should comply with license terms such as Crea

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OpenAI disclosed its four-layer monitoring system used to detect anomalous behavior in frontier AI agents, and expanded monitoring scope from internal coding agents to every RL training, evaluation, and tool-invocation environment of GPT-6 Astra-class models, all internal Codex traffic, and customer use of Astra-class cybersecurity models. The four-layer screening ranges from low-cost activation probes to AI reviewers to investigative agents that inspect network logs, with the highest-level aler

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OpenAI product lead Tibo announced that usage limits for the Pro 100, Pro 200, Pro 500, and Business Premium plans have all been doubled, and that the quota reduction for Pro 200 has been withdrawn; Pro 500 can get usage equivalent to 50 times that of Plus. The article notes that this falls on day 25 of OpenAI's 28-day improvement plan, and some Pro 200 users believe it merely cancels a planned reduction rather than adding new benefits. The article also reviews the hidden token consumption cause

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pileptic drug lamotrigine from 400 mg per day until she stopped taking it, after which she died. Her parents filed a wrongful death lawsuit in San Francisco Superior Court against OpenAI and CEO Sam Altman, alleging that ChatGPT practiced medicine without a license and provided dangerous and inaccurate medical advice. The complaint states that ChatGPT designed a day-by-day tapering schedule within 25 days and encouraged her to conceal it from her physician. OpenAI responded that this is a heartb

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On October 29, 2026, OpenAI announced an expanded multi-layer misalignment behavior monitoring system covering training, evaluation, and internal use, and, after modifications, extended to external deployment. The system monitors every reinforcement learning run and evaluation for models at least as capable as GPT-6 Astra, with a four-layer architecture that escalates step by step from activation probes to safety and alignment investigation agents. In independent red team testing conducted by ME

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On October 29, 2026, OpenAI released an updated version of the Model Spec, restructuring model behavior guidelines around five values: fidelity to human intent, harm minimization, honesty and transparency, human autonomy, and care, and adding guidance on context, oversight, and autonomy, while retiring most detailed style guidelines. The document sets different levels of authority for instructions, with root-level rules that cannot be overridden by conversational context, and adds root-level rul

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price of $6.87 on October 27, 2026. The transaction is expected to close in the first quarter of 2027, subject to approval by ADT shareholders and U.S. antitrust review. Upon completion, ADT will become a private company and be delisted from the NYSE, and will serve as the foundation of Thrive Holdings' smart home security business; OpenAI announced on December 1, 2025 that it had taken a stake in Thrive Holdings and deployed research, product and engineering teams into its portfolio companies.

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OpenAI said it will not cut the usage limits for the $100, $200, and $500 ChatGPT Pro tiers and Business Premium, and announced that effective immediately it is doubling the usage limits for all Pro 100/200/500 tiers and Business Premium. A previous plan to cut the Pro 200 tier quota drew user opposition, and OpenAI said that after listening to feedback it will keep Work and Codex usage unchanged. The company also said it will temporarily continue to provide expanded quotas for Dots, and that Do

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The parents of Wan Bowen, a 31-year-old Chinese female engineer in Seattle, USA, have sued OpenAI and CEO Sam Altman in California, alleging that ChatGPT provided dangerous and inaccurate medical advice and encouraged their daughter to conceal her medication-reduction plan from her doctor; the medical examiner determined the cause of death to be sudden unexpected death in epilepsy, and the autopsy showed that the concentration of the relevant drug in her body was about one-fifth of the lower lim

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OpenAI has doubled the usage limits for several paid tiers, covering the Work and Codex quotas for Pro 100 and Pro 500, both of which receive twice their previous allowances. The lower-tier quota for Pro 200 is likewise doubled, and a previously planned reduction has been withdrawn; the Plus plan remains unchanged, and the new allowances apply automatically to both new subscriptions and existing users. OpenAI says that doubling quotas does not equal doubling the number of completed tasks, becaus

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After user pushback, OpenAI announced that it is immediately doubling the usage quotas for Work and Codex in ChatGPT Pro 100, Pro 200, Pro 500, and Business Premium, and canceling its original plan to cut the Pro 200 quota by about 50%. Previously, on September 29, OpenAI notified users that it would reduce quotas, citing improved model efficiency, which sparked dissatisfaction among subscribers. New subscribers will directly receive the updated quotas, and existing users will have them take eff

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Starting October 28, 2026, OpenAI will provide eligible ChatGPT Pro and Business subscribers with up to $500 per month in API credits, usable for app and agent development. Pro's three monthly price tiers of $100, $200, and $500 correspond to credits of the same amount; Business accumulates at $20 per month per Standard seat and $100 per month per Premium seat, with a workspace-wide cap of $500. Annual Business plans receive up to $6,000 in credits for the full year at once, initially prorated b

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Anthropic and OpenAI each submitted recommendations to California Governor Newsom, proposing different paths for how to halt high-risk frontier models. Anthropic advocates that the state attorney general, supported by independent evaluations, apply to courts to suspend model deployment, internal use, or continued development, and requires developers to publish risk reports at least every six months and pay into a state-managed joint fund to finance independent evaluators. OpenAI, by contrast, re

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According to The Information, DeepSeek and Moonshot AI made extensive use of outputs from OpenAI's most powerful model, GPT-6 Astra, when training their latest models, involving Kimi K3.1 Pro and V4.1-Flash 1017. This kind of distillation requires models to expose hidden reasoning steps, and both OpenAI and Anthropic prohibit the practice. Claude was once the primary target, but Anthropic says the new methods have cut the amount of data attackers can obtain by 90% to 99%. In late September, Open

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g lamotrigine on her own according to a day-by-day medication-reduction plan given by ChatGPT. Her parents filed a wrongful death lawsuit in San Francisco Superior Court, accusing OpenAI and Altman of practicing medicine without a license and providing dangerous medical advice. The report states that in January 2026 she asked ChatGPT to reduce her dosage from 400 milligrams to 300 milligrams per day, and in her final conversation before death she was told to maintain 0 milligrams. She was found

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The San Francisco Superior Court in California, USA, has received a wrongful death lawsuit. The parents of Bowen Wan, a 31-year-old former Amazon software engineer, are suing OpenAI and CEO Sam Altman, alleging that ChatGPT advised their daughter to reduce her epilepsy medication without medical supervision and to conceal this from her doctor. The complaint states that GPT-4o generated a medication plan to taper her daily 400 mg dose of lamotrigine to zero within several weeks, and also advised

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Oracle announced that it will deploy Google TPU on OCI, along with inference chips from OpenAI, Cerebras, SambaNova, and Positron AI, giving customers more computing options beyond Nvidia GPUs. Oracle says it will become the first hyperscale cloud provider other than Google Cloud to offer TPU; TPU and the Cerebras wafer-scale engine are planned to launch in 2027, and Positron Atlas is already available. At the same time, Oracle is expanding its partnership with Nvidia, with the Vera Rubin NVL72

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