# OpenAI Previews GPT-5.6 Sol "Ultrafast" Mode, Claiming Up to 14x Speed

OpenAI announced a preview of an "Ultrafast" mode for its GPT-5.6 Sol model, reportedly delivering responses up to 14 times faster than standard operation. The optimization targets latency-sensitive applications, potentially broadening the model's use in real-time tools and high-volume workflows.

**Importance:** 3/5

## Sources

### Science
- [OpenAI Blog](https://openai.com/index/previewing-ultrafast) — Thu, 13 Aug 2026 10:00:00 GMT

### Technology
- [TechCrunch](https://techcrunch.com/2026/08/13/openai-introduces-ultrafast-a-new-mode-that-makes-gpt-5-6-sol-work-at-14x-the-speed/) — Thu, 13 Aug 2026 19:22:40 +0000