OpenAI Previews Ultrafast Mode For GPT-5.6 Sol
OpenAI is previewing Ultrafast, a new service tier that runs GPT-5.6 Sol up to 14 times faster than Standard processing. Everything below comes from OpenAI's own announcement, dated August 13, 2026.
Transcript
OpenAI is previewing Ultrafast, running GPT five point six Sol up to fourteen times faster than standard.
Ultrafast is a new service tier launching first in the OpenAI API. It generates up to seven hundred fifty output tokens per second, powered by Cerebras.
OpenAI lists incident response, financial research, live customer support, and commerce, where answers must arrive while the situation is still changing.
One caution. This is a limited preview for a select group of customers, with no pricing and no general availability date. Every claim here is OpenAI's own.
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Sources
Every claim in this video comes from the top ranking coverage of this topic. The claims and where each one came from:
- Today, we're sharing an early look at Ultrafast, a new service tier that runs GPT-5.6 Sol up to 14x faster than Standard processing, launching first in the OpenAI API.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)
- Powered by Cerebras, Ultrafast generates up to 750 output tokens per second, bringing our most intelligent model to products and workflows where every second matters.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)
- Incident response and reliability: when a critical system fails, analyze application logs, recent code changes, and engineer reports to identify the likely cause and help prepare a fix while the outage is still unfolding.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)
- Financial research and security: analyze market signals, assess transactions, and identify suspicious activity while conditions are still changing.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)
- Customer support and voice: resolve complex customer issues in real time without interrupting the conversation, even when finding the answer requires multiple steps or systems.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)
- Commerce: answer product questions, check inventory, personalize recommendations, and resolve checkout issues while the shopper is still deciding, before hesitation becomes an abandoned cart.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)
- GPT-5.6 Sol on Ultrafast mode is available in a limited preview today to a select group of customers. We'll expand access as capacity grows.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)
- Ultrafast marks the next step in our partnership with Cerebras to bring ultra-low-latency inference to OpenAI's platform.(OpenAI official announcement, Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed, August 13, 2026)