# TechCrunch — OpenAI introduces ‘Ultrafast,’ a new mode that makes GPT-5.6 Sol work at 14x the speed

- Company: TechCrunch (techcrunch.com)
- Announced: 2026-08-13T19:22:40+00:00
- Category: capability-change
- Subject: Reporting
- Models affected: GPT-5.6 Sol
- Coverage: Covered by 17 outlets
- Source: https://techcrunch.com/2026/08/13/openai-introduces-ultrafast-a-new-mode-that-makes-gpt-5-6-sol-work-at-14x-the-speed/
- Record: https://forck.live/items/3930-openai-introduces-ultrafast-a-new-mode-that-makes-gpt-5-6-sol-work-at-14x-the

OpenAI introduced a new mode called Ultrafast for GPT-5.6 Sol that accelerates processing to 14x the standard speed, delivering up to 750 output tokens per second. The mode is currently in preview, powered by a partnership with Cerebras, and available to a small group of customers with plans to expand access.

## Evidence

Verbatim from https://techcrunch.com/2026/08/13/openai-introduces-ultrafast-a-new-mode-that-makes-gpt-5-6-sol-work-at-14x-the-speed/:

> OpenAI has rolled out a new mode called Ultrafast, which it says is designed to seriously accelerate the pace at which its latest and most powerful model, GPT-5.6 Sol, accomplishes its work.

## Around this story

Outlets this record can name and link:

- The Decoder — GPT-5.6 Sol goes 14x faster as OpenAI launches Ultrafast mode powered by Cerebras: https://the-decoder.com/gpt-5-6-sol-goes-14x-faster-as-openai-launches-ultrafast-mode-powered-by-cerebras
- 9to5mac.com — OpenAI previews 'Ultrafast' GPT-5.6 Sol running up to 14 times faster - 9to5Mac: https://9to5mac.com/2026/08/13/openai-previews-ultrafast-gpt-5-6-sol-running-up-to-14-times-faster
- TestingCatalog AI News — OpenAI previews Ultrafast API tier for GPT-5.6 Sol: https://testingcatalog.com/openai-previews-ultrafast-api-tier-for-gpt-5-6-sol
- RuntimeWire — OpenAI acquired 4.2% of Cerebras before GPT-5.6 Ultrafast launch: https://runtimewire.com/article/openai-acquired-4-2-of-cerebras-before-gpt-5-6-ultrafast-launch
- Neowin: https://neowin.net/news/openai-introduces-new-ultrafast-mode-for-gpt56-sol-delivering-14x-faster-tokens
- Unite.AI — Cerebras Runs OpenAI’s GPT-5.6 Sol at 750 Tokens Per Second in New Ultrafast Tier: https://unite.ai/cerebras-runs-openais-gpt-5-6-sol-at-750-tokens-per-second-in-new-ultrafast-tier
- The Mac Observer: https://macobserver.com/news/openai-makes-gpt-5-6-sol-up-to-14x-faster-with-new-ultrafast-mode
- Decrypt — Google and OpenAI Debut Super Fast AI Models - Decrypt: https://decrypt.co/375580/google-openai-super-fast-ai-models-gemini-flash-gpt-ultrafast
- Cyber Security News — OpenAI Unveils Ultrafast Mode in GPT‑5.6 Sol That Works 14× Faster Than Standard Mode: https://cybersecuritynews.com/openai-unveils-ultrafast-mode-in-gpt-5-6-sol
- WeRSM — OpenAI’s Ultrafast Mode Makes GPT-5.6 Sol Qork at 14x The Speed: https://wersm.com/openai-ultrafast-gpt-5-6-sol-speed-enterprise-ai
- The Hans India: https://thehansindia.com/technology/tech-news/openai-launches-ultrafast-mode-for-gpt-56-sol-making-the-ai-14-times-faster-1109471
- The Rundown AI — OpenAI feels the frontier need for speed: https://therundown.ai/p/openai-feels-the-frontier-need-for-speed
- OpenAI: https://openai.com/form/ultrafast
- OpenAI: https://openai.com/index/previewing-ultrafast
- iThinkDifferent — OpenAI Previews Ultrafast Mode: GPT-5.6 Sol at 14x Speed: https://ithinkdiff.com/openai-ultrafast-api-tier-gpt-5-6-sol-750-tokens-per-second
- Help Net Security — OpenAI’s GPT-5.6 Sol runs up to 14× faster with Ultrafast mode - Help Net Security: https://helpnetsecurity.com/2026/08/14/openais-gpt-5-6-sol-runs-up-to-14x-faster-with-ultrafast-mode
- Cerebras — Accelerating GPT-5.6 Sol Ultrafast with OpenAI: https://cerebras.ai/blog/accelerating-gpt-5-6-sol-ultrafast-with-openai

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