Cerebras Systems Powers OpenAI's GPT-5.6 Sol Ultrafast Mode at 750 Tokens Per Second

Cerebras powers OpenAI's GPT-5.6 Sol ultrafast mode at 750 tokens/sec By Investing.com

SUNNYVALE, Calif. - Cerebras Systems (NASDAQ:CBRS) announced today that it is powering Ultrafast mode, a new service tier in the OpenAI API for GPT-5.6 Sol, according to a press release statement. The service, available initially in limited preview to OpenAI customers, runs GPT-5.6 Sol at up to 750 output tokens per second and up to 14 times faster than Standard processing. The company states that GPT-5.6 Sol Ultrafast maintains the same intelligence as GPT-5.6 Sol Standard. "GPT-5.6 Sol on Ultrafast is proof that speed and intelligence are no longer mutually exclusive," said Andrew Feldman, CEO and co-founder of Cerebras. Sachin Katti, VP Compute Strategy & GPT-Infra at OpenAI, said the companies are "exploring what becomes possible when customers can get the intelligence of our most capable models with significantly lower latency." OpenAI plans to start with a small group of customers to learn where the speed creates value before expanding the service. Based on output speeds for Anthropic models reported by Artificial Analysis, Ultrafast is 5 times faster than Claude Opus 4.8 in Fast mode and 11 times faster than Claude Fable 5. On Humanity's Last Exam, a 2,500-question benchmark spanning graduate-level subjects, GPT-5.6 Sol Ultrafast answered the full question set in just over 11 hours, compared to more than three days for Claude Fable 5. On GDP-Val, a benchmark of knowledge-work tasks, Ultrafast delivered a 5.6 times end-to-end speedup. The speed comes from Cerebras' Wafer-Scale Engine architecture, which keeps model weights on-chip with 44 GB of SRAM on each wafer-sized chip, eliminating the memory-bandwidth bottleneck that constrains frontier-model inference speed on conventional hardware. This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.

Cerebras Systems Powers OpenAI's GPT-5.6 Sol Ultrafast Mode

Cerebras Systems Inc. is an artificial intelligence (AI) infrastructure company that designs and manufactures an AI compute platform comprised of proprietary systems and software. The Company's products include inference Cloud, Training Cloud, CS-3 system, AI supercomputer, Wafer Scale Engine and model development. The Company's pioneering Wafer-Scale Engine (WSE), a chip encompassing an entire silicon wafer, was specifically designed to enable higher performance and speeds than GPUs for the computational demands of inference, Generative AI (GenAI), and other AI applications. It offers deployment services to assist customers with data preparation, model architecture design, training management, inference optimization, and, in select cases, ongoing system operations and management. It also offers a subscription service providing access to an ongoing stream of software updates and upgrades for purchasers of its hardware.