OpenAI launches GPT-6 Sol and Luna, boasting lower cost and fewer mistakes

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Now, the lab is expanding the GPT-6 generation with updated versions of the smaller Sol and Luna models. “GPT-6 Astra introduced a new generation of intelligence; these models extend its benefits by making that intelligence more efficient and accessible,” the company writes. The first models in the Sol and Luna series were introduced earlier this year, representing different tiers in OpenAI’s hierarchy of models. The company repeatedly claims that GPT-6 Sol and Luna handle tasks substantially better than Anthropic’s top models — like Fable and Opus.

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