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    Tweet Reports Brockman on GPT-4o Base for Later Models

    Tweet cites Brockman TIME interview on shared GPT-4o base model through 2025.

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    4 Sources, 27d ago, first seen 27d ago

    TLDR

    Pseudonymous account @scaling01 posted that OpenAI president Greg Brockman confirmed o1, o3, GPT-5 and GPT-5.1 all used the GPT-4o base model. The post quotes Brockman from a TIME YouTube interview saying that from the April 2024 GPT-4o announcement through December 2025 the team stayed on the same underlying pre-trained model. The linked source is the full Brockman conversation with TIME on AGI and OpenAI plans. No other corroboration appears in the packet.

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    4 Sources, first seen 27d ago

    Combined views

    91.2K

    4 Sources, first seen 27d ago

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    42 comments
    257 saves
    43 reposts

    Sentiment

    Positive——Negative

    Summary

    Not enough discussion yet.

    No sentiment analysis available yet.

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    4 Sources

    @scaling01Greg Brockman just confirmed that o1, o3, GPT-5, GPT-5.1 were all based on GPT-4o He said: "From when we announced GPT-4o in April 2024 to December of 2025 we were really squeezing the juice out of the GPT-4o model. [...] fundamentally we were on the same underlying base model, the same underlying pre-train" Not sure about GPT-5.2, but it makes sense that this would be a different model. This is the model that started working for them and where they increased prices to $14. https://www.youtube.com/watch?v=dnSpKF5pWNQ
    @rohanpaul_aiOpenAI President Greg Brockman explains why Anthropic pulled ahead of OpenAI on ARR. (Anthropic at ~$65B and OpenAI is at $40B ARR ) "We focused late on coding in particular. There’s one simple narrative, which is that we focused less on real-world coding, and we came to that game late because we always had looked at things like the coding competition benchmarks and always had the lead there, but less the, “Okay, but how is a developer really going to use it?” Like, the messy real-world codebase, the developer interrupting in the middle, what’s the personality of the model—these sort of little last-mile paper cuts that actually make a huge difference in adoption. And similar on the GTM side, of really thinking about: How do you show? How do you build relationships with customers? How do you build the kind of observability controls that they need? How do you help them understand what’s possible within their context? And all of these were less our singular focus until much later than competition. So, I think that we started late, but our trajectory has been very steep." ---- From "TIME" YouTube channel, (full video link in comment)

    4 Sources

    @scaling01Greg Brockman just confirmed that o1, o3, GPT-5, GPT-5.1 were all based on GPT-4o He said: "From when we announced GPT-4o in April 2024 to December of 2025 we were really squeezing the juice out of the GPT-4o model. [...] fundamentally we were on the same underlying base model, the same underlying pre-train" Not sure about GPT-5.2, but it makes sense that this would be a different model. This is the model that started working for them and where they increased prices to $14. https://www.youtube.com/watch?v=dnSpKF5pWNQ
    @rohanpaul_aiOpenAI President Greg Brockman explains why Anthropic pulled ahead of OpenAI on ARR. (Anthropic at ~$65B and OpenAI is at $40B ARR ) "We focused late on coding in particular. There’s one simple narrative, which is that we focused less on real-world coding, and we came to that game late because we always had looked at things like the coding competition benchmarks and always had the lead there, but less the, “Okay, but how is a developer really going to use it?” Like, the messy real-world codebase, the developer interrupting in the middle, what’s the personality of the model—these sort of little last-mile paper cuts that actually make a huge difference in adoption. And similar on the GTM side, of really thinking about: How do you show? How do you build relationships with customers? How do you build the kind of observability controls that they need? How do you help them understand what’s possible within their context? And all of these were less our singular focus until much later than competition. So, I think that we started late, but our trajectory has been very steep." ---- From "TIME" YouTube channel, (full video link in comment)