Topic · Product
ChatGPT
ChatGPT is OpenAI's AI assistant and the product that brought large language models to a mainstream audience when it launched on November 30, 2022. It now spans free and paid plans, desktop and mobile apps, agent features and the Codex coding agent; this page tracks what it does, which models power it and what changes.
Fact file
LaunchNovember 30, 2022
Models since Oct 7, 2026GPT-6 Sol (Plus, Pro, Business, Enterprise); GPT-6 Luna (Free, Go)
Coding agentCodex is included in ChatGPT plans
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Latest on ChatGPT
Oct 9Business · NewsOpenAI reportedly seeks $30 billion at a $1.4 trillion valuation as it deepens Atlassian dealOct 9Policy · NewsChatGPT starts watermarking text in the EU as the AI Act's marking deadline approachesOct 9Models · NewsGPT-6 reaches every ChatGPT user: what OpenAI shipped, what it costs, and where each model runsOct 9Apps · CompareChatGPT vs Gemini for research: deep research, long documents, prices and privacy comparedOct 9Apps · CompareChatGPT vs Claude for coding and writing: plans, models and limits comparedOct 9Apps · ExplainerChatGPT agent mode, explained: what it was, why it's gone, and what ChatGPT Work does insteadOct 9Agents · ExplainerOpenAI Codex explained: where it runs, which models and limits you get, and how its sandbox worksOct 9Business · ExplainerOpenAI explained: who controls it, what it sells, and how it makes moneyOct 9Research · ExplainerContext windows vs memory vs RAG: what each one actually doesOct 9Agents · ExplainerWhat is MCP? The Model Context Protocol explained (2026 edition)
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Timeline
NOV 2022Launch