Nov 30, 2022 · We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it …

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Models Choosing a model If you're not sure where to start, use GPT-6 Astra, our flagship model for complex reasoning and coding. …

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A helpful rule of thumb is that one token generally corresponds to ~4 characters of text for common English text. This translates to …

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GPT-5.3 Instant model used in ChatGPT Compare Try in Playground