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GPT-4.1 mini

ECI#144
134
OpenAI
Apr. 14, 2025
Closed weights

GPT-4.1 mini is a closed-weights model from OpenAI, released April 14, 2025. It has an ECI score of 134 and ranks 144th of 240 tracked models. At the time of its release, it ranked 13th of 105 tracked models.

GPT-4.1 mini vs select alternatives

DomainBenchmark
GPT-4.1 mini
OpenAI
Apr. 14, 2025
Closed weights
o1-preview
OpenAI
Sep. 12, 2024
Closed weights
o1-mini
OpenAI
Sep. 12, 2024
Closed weights
Llama 4 Maverick
Meta AI
Apr. 6, 2025
Open weights
ECI scoreBest score 173
134134135132
Ranking#144#147#140#153
Conceptual reasoning
ARC-AGI-2Best score 95%
0%
n/a
1%
0%
ARC-AGI-1Best score 99%
4%
18%
14%
4%
Mathematics
MATH Level 5Best score 98%
87%
82%
89%
73%
OTIS Mock AIME 2024-2025Best score 100%
45%
31%
47%
21%
Science
CritPt v1Best score 36%
0%
n/a
n/a
0%
SciCodeBest score 68%
40%
n/a
n/a
32%
GPQA DiamondBest score 97%
66%
50%
62%
67%
Software engineering
Aider PolyglotBest score 88%
32%
n/a
33%
16%
WeirdML (v2)Best score 94%
38%
48%
36%
24%

Model metadata

General
OrganizationOpenAI
Release dateApr. 14, 2025
Model accessibilityClosed weights
CountryUnited States of America
Knowledge cutoff2024-05-31
Provider notesIntroducing GPT-4.1 in the API: A new series of GPT models featuring major improvements on coding, instruction following, and long context—plus our first-ever nano model.
Pricing
Input price$0.40 / 1M tokens
Output price$1.60 / 1M tokens
Training
ParametersUnknown
Training computeUnknown
Training hardwareUnknown
Training timeUnknown
Training dataset sizeUnknown