Expired60% confidenceFactExact time
GPT-5.6 Sol Ultra Fast is currently only available in limited preview to select customers and has not been fully released.
2
Sources
60%
Confidence
Short-term (~14 days)
Relevance
8/18/2026
First Seen
Valid until: 9/1/2026(expired)
Sources
Related Claims
UnverifiedThe core foundation of this update is the new frontier model GPT-5.6 (codenamed Sol in the demo), which is open to all users.75% similarUnverifiedGPT-5.6 Sol achieves 92.2% on the BrowseComp browsing task benchmark.74% similarUnverifiedOpenAI's official statement indicates that GPT 5.6 Sol has not crossed critical cybersecurity thresholds and remains within the scope of its preparedness framework.73% similarUnverifiedGPT-5.6 Sol是旗舰级最强模型，专为复杂智能体工作流设计，发布24小时内向所有付费用户开放73% similar
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