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The new model is the next generation “reasoner”, replacing o1, released last week.

What is o3 and why skip o2?

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However, even there it is facing competition fromGoogle with its newGemini Flash Thinking model.

OpenAI’s o series of models work slightly differently from the GPT family, such as GPT-4o.

For example, o1 is focused on reasoning and problem-solving, using chain-of-thought to solve problems.

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In contrast, GPT-4o is trained to process and generate multiple modalities through a unified neural internet.

Part of what makes o1 different is the switch to focusing on post-training.

OpenAI is using tools to improve how they handle specific tasks and learn from problems.

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We seem to be skipping o2 completely due to the British telecom company of the same name.

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