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AI Atlas
Familyroot · GPT

GPT 4.1

All 4 models in the terminal →

first seen 11 Sept 2026

family_01M2A55TRVQV5NF3ZK48CK1ZGE

Models
4
First release
14 Apr 2025
Latest release
14 Apr 2025
Parameters
—
Artifacts
0
Providers
1

Releases

Family releases by statusDeprecatedOct 25Nov 25Dec 25Jan 26Feb 26Mar 26Apr 26May 26Jun 26Jul 26Aug 26Sept 26gpt-4.1 — 14 Apr 2025gpt-4.1-mini — 14 Apr 2025gpt-4.1-nano — 14 Apr 2025

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

Members 4

Family members
ModelParamsContextOpennessLicenceReleasedStatusBest rankCompare
gpt-4.1OpenAI—1.05MClosed—14 Apr 2025Deprecated#3 SWE-bench Multimodal
gpt-4.1-miniOpenAI—1.05MClosed—14 Apr 2025Deprecated#37 SWE-bench Verified
gpt-4.1-nanoOpenAI—1.05MClosed—14 Apr 2025Deprecated#40 Aider polyglot — well-
o3 (high) + gpt-4.1—————Active#1 Aider polyglot — well-

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 →