[REVISION HISTORY]

OpenAI scales user base, updates GPT-6, and expands

Updated 36 times since CLSTR started tracking revisions of this situation.

What changed

2026-10-21 21:36 UTC → 2026-10-24 09:21 UTC · added ~~removed~~

In September 2026, OpenAI expanded its functional and privacy capabilities. The company introduced a ‘temporary chat mode’ that prevents session data from being used for long-term memory or model training, though dialogues are retained for 30 days for security. New functional tools include ‘Deep Research’ for multi-source web analysis, file and PDF processing, and image editing. Technological advancement accelerated with the launch of GPT-6 Astra on September 3, 2026. Described by President Greg Brockman as the beginning of the ‘AGI era’, the model features a 1,050,000-token context window. To support this, OpenAI launched ‘ChatGPT for Financial Services’ for investment banking, integrating datasets from providers like LSEG News and PitchBook. This specialized platform, developed with partners like Morgan Stanley and Evercore, utilizes GPT-6 Astra to analyze financial statements and generate reports, achieving a 69.9% accuracy rate on the OfficeQA Pro test. Privacy concerns emerged via ‘Project Lily’, an internal system where human contractors review ChatGPT conversations to improve accuracy. Despite a ‘Privacy Filter’ intended to strip identifiers, reports suggest reviewers may still access sensitive information, such as summaries of user memories. By late September 2026, OpenAI reported its product family surpassed one billion weekly active users. ~~During this period, the company revealed that its Apple integration ‘dramatically underperformed’ due to user friction in the opt-in process.~~ Concurrently, OpenAI expanded its commercial reach by rolling out ChatGPT Ads across several Asian markets and introduced agentic voice ~~capabilities~~ capabilities. In late September and October 2026, OpenAI transitioned toward a comprehensive productivity suite. New tools include ‘Space’ for ~~complex task management. Financial features~~ shared AI agent environments, ‘Pages’ for collaborative document editing, and ‘ChatGPT Slides’ for presentation creation. The company also ~~expanded~~ introduced ‘Sign in with ~~the ability for US~~ ChatGPT’, allowing Plus and Pro subscribers to ~~link Experian and VantageScore 3.0 credit reports directly~~ apply usage limits to ~~ChatGPT for personalized insights. In October 2026,~~ third-party apps like Notion and Vercel. For enhanced privacy, OpenAI ~~moved further into~~ launched ‘Locked Chats’, enabling users to secure specific conversations via PIN or biometrics, though the ~~productivity sector with ‘ChatGPT Slides’, a collaborative tool supporting real-time multi-user editing for presentations.~~ company noted these chats are not end-to-end encrypted.

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