Unverified50% confidenceEventExact time

o1-preview was announced for release on September 12, 2024, marking the beginning of the era of reasoning models.

1

Sources

50%

Confidence

Long-term

Relevance

9/9/2026

First Seen

Sources

AI Models Iterate Too Fast: Community Anxiety Under Expectation Inflation from o3 to Astra

Related Entities

o1-previewmodel OpenAIcompany

Related Claims

Unverifiedo1系列于2024年9月发布，引入了思维链推理机制80% similar VerifiedThe OpenAI o1 series models were released in September 2024, representing a paradigm shift in LLMs from fast, intuitive responses to deep reasoning.73% similar UnverifiedThe o3 model was officially released in April 2025.69% similar

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