OpenAI: Launching a Limited Preview of the Next-Generation GPT-5.6 Model Series

New Products

Summary

OpenAI has launched a limited preview of its GPT-5.6 model series. The lineup includes Sol as the flagship model, Terra for everyday work, and Luna as a faster, lower-cost option. Terra reportedly matches GPT-5.5 performance at half the price, while Luna aims to deliver strong capability at the lowest cost. OpenAI plans to open access to all three models in the coming weeks after this initial trusted-partner preview.

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Web and Content Management

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Artificial Intelligence Software Development SaaS

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OpenAI
$25M to $50M