Article summary — original

OpenAI Previews Ultrafast Mode for GPT-5.6 Sol Based on a source excerpt. OpenAI has introduced a preview of Ultrafast, a new API service tier that runs GPT-5.6 Sol up to 14 times faster. The Ultrafast API tier runs GPT-5.6 Sol at up to 14× higher speeds. Powered by Cerebras, the service delivers up to 750 output tokens per second.

Article summary — zh

OpenAI 预览 Ultrafast 模式:GPT-5.6 Sol 运行速度提升至 14 倍 Based on a source excerpt. OpenAI 推出全新 API 服务层级 Ultrafast 预览版,支持 GPT-5.6 Sol 以最高 14 倍的速度运行。 由 Cerebras 提供算力支持 每秒最高可输出 750 个词元(tokens)

Saved source excerpt

Preview Ultrafast, a new OpenAI API service tier that runs GPT-5.6 Sol up to 14× faster. Powered by Cerebras, it delivers up to 750 output tokens per second.