9to5Mac Aug 13, 2026 · 5:02 PM · 1 min read

OpenAI previews ‘Ultrafast’ GPT-5.6 Sol running up to 14 times faster

OpenAI is previewing a new way to run its most capable GPT-5.6 model at dramatically higher speeds. The company says its new Ultrafast service tier can run GPT-5.6 Sol up to 14 times faster than standard processing.

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