Expired50% confidenceFactExact time
OpenAI skipped the version number o2 due to a trademark conflict with the British telecommunications company O2.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
AI Sharing Site Scams Exposed: How Fake Version Numbers Harvest Traffic
bilibili小星说AI5/28/2026
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UnverifiedOpenAI将强化推理方向独立为o1、o3系列，并刻意跳过o2编号以避免与英国电信运营商O2的商标冲突78% similarUnverifiedThe newly released full O1 version from OpenAI does not yet offer API access.70% similarUnverifiedOpenAI的DALL-E系列在推出新版本后不再提供旧版本访问，用户无法回到DALL-E 2的生成风格66% similarUnverifiedOpenAI's Reasoning capability corresponds to the o1/o3 product series.64% similarUnverifiedOpenAI's o1 has reasoning capabilities but does not disclose the reasoning chain, with the official explanation citing safety considerations.60% similar
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