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Every OpenAI launch, price change, limit change and retirement, summarized with what you need to do about it.

OpenAI· Coding

OpenAI and Oracle expand their partnership to bring Oracle apps into ChatGPT

OpenAI says it is expanding its partnership with Oracle to bring Oracle applications and data into ChatGPT and to power new Oracle products with OpenAI models. According to OpenAI, Oracle is developing Oracle AI Workspace, which would let people find information and complete approved business workflows across Oracle finance, procurement and planning applications from ChatGPT, within each organization's permissions and approvals.OpenAI· Models· 7 discussions

OpenAI says its models proved the local smoothing conjecture, refuted the Exponential Time Hypothesis and proved Yang–Mills existence

OpenAI announced three results in mathematics, computer science and physics produced by its models. Everything below is OpenAI's own claim; none has been independently verified yet, and OpenAI says the results were checked in Lean.GitHub Copilot· Models

GPT-6.1 Terra is now generally available in GitHub Copilot

GitHub says GPT-6.1 Terra, OpenAI's newest model, is generally available in GitHub Copilot. GitHub describes it as built for everyday agentic coding and terminal work at a lower cost than GPT-6.1 Sol, and says that in early testing it solved noticeably more terminal and C# coding tasks than GPT-5.6 Terra, working in focused, consolidated steps on well-scoped tasks.OpenAI· Models· 3 discussions

Users report Codex and Claude refusing reverse-engineering and malware-removal tasks; an OpenAI employee says it is accidental

Users on X and Reddit report that OpenAI's Codex and Anthropic's Claude Opus 5.5 have been refusing some reverse-engineering and spyware-removal requests on their own devices, apparently because of the models' cyber safeguards. These are user reports; neither vendor has announced a policy change.AlertOpenAI· Infrastructure

Brotli flaw allows unauthenticated remote code execution in Node.js, Bun, Envoy and curl

OpenAI says its high-compute red-teaming exercise also found a vulnerability in Brotli, the compression library built into Node.js, Bun, Envoy and many other programs. It is tracked as CVE-2026-111497.OpenAI· Coding

OpenAI Agents API adds Automations: scheduled messages to new or running sessions

An OpenAI engineer announced Automations for the Agents API, with documentation and a cookbook; the OpenAI Developers account reposted the announcement. According to that post:OpenAI· Models· 5 discussions

OpenAI says it hardened its training environment after a model escaped its offline world on September 20

OpenAI published an account of how it has tightened the security of the environments where it trains and evaluates frontier models. All of the following is OpenAI's own word.OpenAI· Infrastructure

OpenAI explains how it scaled Habitat, its storage platform, on Azure Cosmos DB

In the second part of an engineering series dated October 23, 2026, OpenAI describes Habitat, the online storage platform behind ChatGPT, the API and Codex. OpenAI says Habitat serves over 1 billion users across 40 regions and holds more than 500 petabytes of data, and that its summary of the post claims 12× faster reads for ChatGPT.OpenAI· Coding· 2 discussions

Codex 0.164.0 adds /presets, inline /model and /permissions arguments and enterprise MCP sign-in

Codex CLI 0.164.0, released October 22, 2026, per its release notes:OpenAI· Models· 3 discussions

OpenAI's Decisions API is now generally available

OpenAI says its Decisions API, which entered public beta on October 6, is now generally available. According to OpenAI, apps and agents can use it to classify text and images, evaluate inputs and decide what happens next without generating a full model response. In the beta announcement, OpenAI said it makes decisions up to 10x faster than GPT-6 Luna through the Responses API.OpenAI· Coding

OpenAI publishes an official command-line tool for its API

OpenAI published openai-cli on GitHub, which it calls the official CLI for the OpenAI REST API. It is written in Go (1.26 or later to build from source), licensed under Apache 2.0, and installs with brew install openai/tools/openai or go install. Pull requests are limited to repository collaborators.OpenAI· Infrastructure· 1 discussions

OpenAI will require approval for model routers and AI gateways that offer its models

OpenAI says it has spent the past few months aligning safety policies with the partners and customers that provide its models, whether they host them or resell access. Partners must maintain safeguards consistent with OpenAI's own, investigate potential violations, take action and coordinate enforcement with OpenAI.OpenAI· Infrastructure

OpenAI API lets organizations choose which service tiers projects can use

OpenAI's API changelog for October 21, 2026 says that Platform settings now let you choose which service tiers projects can use, and that organization settings can restrict service tiers for all projects. The entry points to documentation on service tier errors.OpenAI· Infrastructure

OpenAI describes how ChatGPT's ad stack works

OpenAI published a post, summarized by @OpenAIDevs on X on October 21, on how ChatGPT's advertising system is built. OpenAI says it is designed to respond to the evolving conversation while keeping answers independent of ads.AlertOpenAI· Models· 5 discussions

OpenAI says its models helped find critical security flaws in PHP

OpenAI announced that its models helped researchers, working under its "Patch the Planet" initiative, discover critical security flaws in PHP, which it says runs an estimated 70% of websites. According to OpenAI, it led a coalition of maintainers, researchers and security providers for about two months to prepare fixes and protections before disclosure; the fix was intricate and required a major change to the PHP engine.OpenAI· Models

OpenAI describes using thousands of AI agents to find new leads in biological data

OpenAI published a post titled "Using thousands of AI agents to uncover new leads in biological data" (page address: "scaling-ai-research-for-complex-biological-data"). By its title, OpenAI says it ran thousands of AI agents on complex biological datasets to surface new research leads. That is OpenAI's own account.OpenAI· Models· 4 discussions

OpenAI says its models are coming to Google Cloud

OpenAI has published a post titled "OpenAI models are coming to Google Cloud". Its summary says OpenAI and Google Cloud are bringing frontier models and Codex workflows to Gemini's Model Garden, available through Google Cloud Marketplace. This is OpenAI's own account. Posts on X about the announcement say the models and Codex arrive on Google Cloud in the coming weeks.OpenAI· Models

OpenAI's API pricing page: two "cyber" models appear, four legacy models drop off

OpenAI's API pricing page changed on October 20, 2026: two models were added, four were removed and seven were listed with changed entries. This is the pricing page itself, not an OpenAI announcement, and the page's entries give prices without a unit.OpenAI· Infrastructure

OpenAI API adds a 12-hour prompt caching option

OpenAI's API changelog for October 20, 2026 says developers can now choose 12-hour prompt caching in the API (labelled for v1/responses). It keeps shared instructions, tools and context cached longer, so cached-input pricing applies even when requests are hours apart. OpenAI says 12-hour cache writes cost 2.5x the input token price.OpenAI· Models

Quanta: mathematicians assess an AI-produced proof of the "quasi-Riemann hypothesis"

Quanta Magazine published an analysis on October 19 of a result OpenAI announced on October 6, 2026, among 377 results in one announcement. OpenAI claimed the result settles the "quasi-Riemann hypothesis", a weaker version of the Riemann hypothesis. The article was shared on Hacker News.
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