OpenAI Unveils GPT-5.6 Sol UltraFast Preview: 14x Faster, 750 Tokens per Second, Powered by Cerebras
In 2026, OpenAI launched a preview of its GPT-5.6 Sol UltraFast mode for enterprises. In this mode, the model runs up to 14 times faster, generating up to 750 tokens per second. The UltraFast mode is powered by Cerebras and is currently available only for the GPT-5.6 Sol model.
The UltraFast mode requires approval from OpenAI based on the enterprise scenario. Enterprises can submit applications, but approval depends on OpenAI's review. The mode is designed for workloads that require real-time or near-production performance, such as live voice, customer support, business and development agents, financial research, and security research.
Why this event matters
The event has a measured impact on 1 industry. The strongest current signal is positive for Artificial Intelligence, with intensity 55/100 and 80% confidence over a short term horizon.
Impact figures are analytical estimates that combine direction, intensity, confidence and event importance. They are not investment advice.