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AI Atlas
ModelDeprecatedProprietary

o1

OpenAIdevelopers.openai.com/api/docs/models/o1

Previous full o-series reasoning model

quality69

Updated 59 min ago · first seen 11 Sept 2026

model_01M293V785MYJBANNHDJTSDRZD

Context
200K tokens
T2 · 59 min ago
Released
17 Dec 2024
T2 · 59 min ago
Knowledge cutoff
Oct 2023
T2 · 59 min ago

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history · Tokenizer

1 claims · 1 propertiesShow all properties

Tokenizertokenizer1

Claim history for Tokenizer
ValueValid from → toStatusSourceConfidenceExtractor
GPTcurrentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

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 →