Unverified50% confidenceFactTime unknown

GPT-5.6引入了'UltraFast'模式，推理速度提升2到3倍

1

Sources

50%

Confidence

Medium-term (~90 days)

Relevance

7/2/2026

First Seen

Valid until: 9/30/2026

Sources

GPT-5.6 Internal Testing Begins: A Complete Breakdown of the Week's Biggest AI Developments

bilibili竹言见智

Related Claims

UnverifiedGPT-4o相比GPT-4 Turbo在推理速度上提升了约2倍81% similar UnverifiedGPT-5.6引入Max推理强度、Ultra模式，并将上下文窗口从100万扩展至150万Token，提升43%80% similar Partially Verified三个 GPT-5.6 模型在长程代理微调任务上均拿满分 10 分，而 GPT-5.5 和 Opus 4.7 在该任务只能拿两三分79% similar UnverifiedGPT-5.2优化的公开版本代码实现了1525个计算周期，相对于基线实现了约97倍的性能加速79% similar

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