Expired50% confidenceEventExact time
Anthropic's Opus 5.5 and OpenAI's next-generation model were released at almost the same time.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/30/2026
First Seen
Valid until: 10/14/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedOpenAI has introduced a new Ultra parallel mode that can run 4 independent agents simultaneously.74% similarUnverifiedOnce Anthropic releases a new model, OpenAI typically follows shortly after with a competing product.73% similarUnverifiedModel companies such as Anthropic and OpenAI have successively launched official prompt libraries.72% similarUnverifiedBoth OpenAI and Anthropic have begun offering version pinning services, allowing users to continue using older versions before confirming compatibility.72% similarUnverifiedOpenAI发布了五项更新，包括三款新模型、一个桌面级智能代理和一款实时翻译语音模型71% similar
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