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o1-mini
OpenAI · Language model · Registered 2026-03-04
IDENTITY
Developer
OpenAI
Confirmed by
Official OpenAI announcement
First registered
2026-03-04 (rss_pipeline)
Developer confirmed
2024-09-12
Gate
PROVENANCE COMPLETE
PROVENANCE
Claimed developer
OpenAI
Confirmed developer
OpenAI
Delta
— · match confirmed
EU COMPLIANCE
AI Act
GPAI ⓘ
PASSPORT FIELDS
Model type
Language
Parameters
Undisclosed
Context window
Unknown
Open source
Unknown
Weights available
Unknown
License
—
Model family
o-series
PROVENANCE TIMELINE
2026-03-04
First recorded in AI news
Source: OpenAI Blog · https://openai.com/index/openai-o1-mini-advancing-cost-efficient-reasoning
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