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o4-mini-deep-research

OpenAIdevelopers.openai.com/api/docs/models/o4-mini-de

Faster, more affordable deep research model

quality72

Updated 51 min ago · first seen 11 Sept 2026

model_01M293VC6TDVXJAWH8VX7H3001

As of

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Claim history · Openness

1 claims · 1 propertiesShow all properties

Opennessopenness1

Claim history for Openness
ValueValid from → toStatusSourceConfidenceExtractor
proprietarycurrentcurrentOpenAI Platform docsT1highdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →