GPT-5.6 Sol Unveiled with Ultrafast Mode, Boosting Speed up to 14 Times Faster
gpt-5 openai
| Source: HN | Original article
OpenAI previews Ultrafast mode, running GPT-5.6 Sol up to 14X faster.
OpenAI is previewing Ultrafast mode, a new service tier for its GPT-5.6 Sol model, which runs up to 14 times faster than standard processing. Powered by Cerebras, Ultrafast mode generates up to 750 output tokens per second. This development matters as it significantly enhances the performance of OpenAI's most capable model, potentially leading to breakthroughs in various applications.
As we reported on August 13, OpenAI had already announced the Ultrafast API tier, and now the company is providing more details on its capabilities. The increased speed and output of Ultrafast mode are expected to benefit OpenAI's technical staff and selected clients who have access to the preview.
What to watch next is how OpenAI's Ultrafast mode will be received by its clients and the broader AI community, and when it will be widely available. Additionally, it will be interesting to see how this development compares to other recent advancements in the field, such as Anthropic's progress on math's biggest unsolved problems.
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