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Atmrix

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SA

Sam Altman

06/18/25

@ OpenAI

The distinction between model versions like GPT-4 and GPT-5 is becoming less clear, as continuous improvements blur the lines between iterations.

Video

O

Sam Altman on AGI, GPT-5, and what’s next — the OpenAI Podcast Ep. 1

@ OpenAI

Sam Altman on AGI, GPT-5, and what’s next — the OpenAI Podcast Ep. 1

06/18/25

Related Takeaways

YC

Y Combinator Cast

03/11/25

@ Y Combinator

Reactions to GPT-4.5 have been muted because its improvements over GPT-4 are seen as relatively incremental, despite this launch being an important milestone for future models.

O

OpenAI Cast

04/11/25

@ OpenAI

The sheer volume of work required for GPT-4.5 was a byproduct of the model's specifications, necessitating changes that couldn't be achieved with the same stack used for GPT-4.

YC

Y Combinator Cast

03/11/25

@ Y Combinator

GPT-4.5 is potentially more than 10 times the size of GPT-4, representing a step forward in both pre-training and post-training processes.

O

OpenAI Cast

04/11/25

@ OpenAI

In testing GPT-4.5, we found it has nuanced abilities that were unexpected, indicating it is more intelligent in ways that are hard to characterize ahead of time.

SA

Sam Altman

04/11/25

@ OpenAI

When we launched GPT-4.5, we were proud of the model, but users liked it much more than we anticipated, expressing that it was significantly better than GPT-4 in various ways.

YC

Y Combinator Cast

03/11/25

@ Y Combinator

Sam Altman has suggested that unsupervised pre-training models like GPT-4.5 and specialized reasoning-focused models will converge into a unified architecture, which we might see in GPT-5.

O

OpenAI Cast

04/11/25

@ OpenAI

The initial goal for GPT-4.5 was to create a model that is ten times smarter than GPT-4, which we ultimately achieved through a complex process.

O

OpenAI Cast

04/11/25

@ OpenAI

User satisfaction shows that GPT-4.5 is smarter in subtle ways, demonstrating more common sense and understanding of nuance and context.

O

OpenAI Cast

05/09/25

@ OpenAI

We integrated some of the improvements from GPT-4.5 into our mainline GPT-4 model to enhance its collaborative capabilities.