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GPT-4.1 Nano

OpenAI · 2025-04-14

GPT-4.1 Nano is the smallest and fastest tier of OpenAI's GPT-4.1 family, built for the cheapest, lowest-latency tasks while keeping a long context window. It is aimed at high-volume classification, extraction, and lightweight workloads.

Benchmark scores

BenchmarkScore
AA-LCR17.0
AA-Omniscience Index-56.4
AidanBench666
Aider Polyglot8.9
AIME 2024 (avg@8)28.8
AIME 2024-202526.5
AIME 202524.0
AIME 2025 (avg@8)24.2
ARC-AGI-10.0
ARC-AGI-20.0
Artificial Analysis Agentic Index1.2
Artificial Analysis Coding Index11.1
Artificial Analysis Intelligence Index9.6
Artificial Analysis Omniscience Accuracy13.3
Artificial Analysis Omniscience Hallucination Rate80.4
BuseyBench SVG2.4
Capability123.5
CharXiv Reasoning40.5
CharXiv-D73.9
ChessBench Accuracy22.5
ChessBench Coherence4.7
ChessBench Elo114
CorpFin v242.1
CorpFin v2 - Exact Pages49.0
CorpFin v2 - Max Fitting Context38.5
CorpFin v2 - Shared Max Context38.8
Creative Writing v3 Elo1047
Creative Writing v3 Rubric Score11.0
CRED v0.9213.5
CRED v0.92 - Data integrity5.0
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