in other news, we updated the 5.5 instant model used in chatgpt this week. i like its vibes.
@sama
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Required preview period for extended redteaming, not government picking customers
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actually i think a required preview period for extended redteaming is not a bad idea. i just dont like the idea of the government picking the customers. confident we will get to a better place.
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Sol and Terra launch: new GPT-5.6 models with US government request
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Good new first: Sol is a smart, efficient, and a significant step forward. It is the same price as GPT-5.5. Also launching in the GPT-5.6 family is Terra, with 5.5-level performance at half the price. Bad news: at the request of the US government, it is launching today in
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ChatGPT now allows building and publishing web apps, reminiscent of Hypercard.
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build and publish web apps with chatgpt!
— Sam Altman (@sama) 4 juin 2026
i really wish i had this when i was a kid, but i do miss hypercard. https://t.co/6wN6SOiU27build and publish web apps with chatgpt! i really wish i had this when i was a kid, but i do miss hypercard.
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Big upgrade to ChatGPT memory rolling out today
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big upgrade to chatgpt memory rolling out today!
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US should lead AI developing safe models and cyber tools for defenders
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theUSshould lead on AI by continuing to develop the very best models, making sure they're safe, and getting cyber tools into the hands of trusted defenders. the new EO gets the balance right.
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OpenAI Foundation helps society become resilient to AI
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The OpenAI Foundation is doing a lot of wonderful things.
— Sam Altman (@sama) 1 juin 2026
Helping society become resilient to AI is going to be incredibly important. Much more to come here! https://t.co/i0pkmF9LmvThe OpenAI Foundation is doing a lot of wonderful things. Helping society become resilient to AI is going to be incredibly important. Much more to come here!
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General-purpose AI model solves major open problem in mathematics
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a general-purpose model solved a major open problem in mathematics. we'll be saying this a lot over the coming years, but this is a kinda big milestone. i'm very excited for AI to greatly extend our understanding of the world, but still, i have complicated feelings today.
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ChatGPT Image Generation Surpasses 1 Billion Milestone in India
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ChatGPT Images 2.0 India. Already more than 1 billion images created there; awesome to see.
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New capabilities in ChatGPT personalization and personality
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speaking of things that have gotten over a threshold for me, the combo of the new ChatGPT model, personality, and personalization feels like a new thing