Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed

First reported · 2mo ago · 1 source

Crest summary — written by AI from the 1 source below; every figure is checked against them · model deepseek-chat

Summary

OpenAI previewed Ultrafast mode for GPT-5.6 Sol, which it says can run at up to 14X the speed.

Key facts

  • OpenAI previewed Ultrafast mode on 2026-08-13.
  • Ultrafast mode applies to GPT-5.6 Sol.
  • OpenAI states speeds of up to 14X.

Why it matters

Faster model output could change how builders design latency-sensitive applications and how buyers weigh speed against other model traits.

Companies

Technologies

Original sources (1)

The report this event was built from. Crest of Tech keeps no article bodies: the full text is at each source.

  1. OpenAIOfficial · Primary
    Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed
    Read at OpenAI
Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed — Crest of Tech