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AI Atlas
Familyroot · GPT

first seen 11 Sept 2026

family_01M2A55TSK1W1R0WZ6GEKW6068

Models
2
First release
24 Feb 2026
Latest release
24 Feb 2026
Parameters
Artifacts
0
Providers
1

Releases

Family releases by statusActiveOct 25Nov 25Dec 25Jan 26Feb 26Mar 26Apr 26May 26Jun 26Jul 26Aug 26Sept 26gpt-5.3-codex — 24 Feb 2026

1 dated releases · dot size = best benchmark rank of the member · 1 member without a sourced release date not shown

Members 2

Family members
ModelParamsContextOpennessLicenceReleasedStatusBest rankCompare
gpt-5.3-codexOpenAI400KClosed24 Feb 2026Active#9 Terminal-Bench
GPT-5.3 ChatOpenAIClosedRetired

Lineage among members 0 relations

Open in Graph →

No lineage relation recorded among these members.

Benchmark progress

Benchmark progress needs at least two dated members with a rank on the same benchmark. Ranks (not scores) are what the family endpoint provides.

Aggregates are computed from the members' sourced claims; members without a release date or parameter count are left out of the range and timeline rather than guessed. Methodology →