OpenAI Previews Ultrafast Mode: GPT-5.6 Sol Hits 14x Speeds
OpenAI · x · 2026-08-14
OpenAI announced the preview of its new Ultrafast mode, boosting the speed of GPT-5.6 Sol by up to 14x (generating up to 750 tokens per second). Powered by Cerebras, the mode is designed to bring frontier intelligence to latency-sensitive workflows.
Ultrafast is launching first in the OpenAI API to a select group of customers, with expanded access planned for more businesses as capacity grows.
Related event: OpenAI and Cerebras Preview Ultrafast Mode for GPT-5.6 Sol at 750 Tokens/s(20 posts)→
More from Infra
- New hardware day: local LLM deployment the moment it arrives — lxfater · 2026-10-16
- Together AI's score centering fixes RL training collapse under quantized inference — nrehiew_ · 2026-10-16
- Inference is splitting prefill and decode across specialized chips, not just H100s — AccBalanced · 2026-10-16
- Rebasely launches in beta: Git hosting built for humans and coding agents — handotdev · 2026-10-16
- Drama3 TTS lands in audio.cpp: up to 5x real-time on RTX 5090, <8GB VRAM mode too — Acceptable-Cycle4645 · 2026-10-16
- Three CoreWeave co-founders have sold $3.3B in shares since IPO amid credit worries — SumitGup · 2026-10-16