Noometry

Model comparison

GPT-4.1 mini vs GPT-4.1 nano

GPT-4.1 mini is the stronger model overall, scoring 33.5 to 27.7 on the Noometry Index. GPT-4.1 nano costs 4.0× less per token, which makes it the better buy when GPT-4.1 mini's lead doesn't matter for your workload.

Last verified . 38 shared benchmarks.

GPT-4.1 mini OpenAI

33.5

Rank #232 Confirmed

GPT-4.1 nano OpenAI

27.7

Rank #322 Confirmed

Summary

  • They share 38 benchmarks with published results for both. GPT-4.1 mini scores higher in 9 categories and GPT-4.1 nano in 1 category; 10 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-4.1 mini leads 34.7 to 21.8.
  • The biggest single-benchmark swing is Aider Polyglot: 32.4% for GPT-4.1 mini and 8.9% for GPT-4.1 nano.
  • GPT-4.1 nano is cheaper at $0.10 / $0.40 per million input/output tokens, against $0.40 / $1.60 for GPT-4.1 mini.

Side by side

GPT-4.1 miniGPT-4.1 nano
ProviderOpenAIOpenAI
Noometry Index33.527.7
Released2025-04-142025-04-14
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output33K33K
Input $ / M tokens$0.40$0.10
Output $ / M tokens$1.60$0.40
Results tracked4738

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Category by category

Coding GPT-4.1 mini leads

GPT-4.1 mini: 30.4 (#286), GPT-4.1 nano: 23.8 (#325)

BenchmarkGPT-4.1 miniGPT-4.1 nano
Aider Polyglot32.4%8.9%
SciCode40.4%25.9%
WeirdML37.6%19%
LMArena Coding13671306
SWE-bench Verified (bash only)23.9%—
BigCodeBench Instruct48.9%—
CadEval16%—

Agentic & Tool Use GPT-4.1 mini leads

GPT-4.1 mini: 33.0 (#52), GPT-4.1 nano: 26.3 (#98)

BenchmarkGPT-4.1 miniGPT-4.1 nano
Berkeley Function Calling Leaderboard50.5%33%

Reasoning GPT-4.1 mini leads

GPT-4.1 mini: 10.9 (#335), GPT-4.1 nano: 8.6 (#344)

BenchmarkGPT-4.1 miniGPT-4.1 nano
ARC-AGI-20%0%
Kagi LLM Benchmark48.6%33.3%
ARC-AGI-13.5%0%
CritPt0%0%
LMArena Hard Prompts13491286
DTBench68.8%52.5%
LMCA21.1%5.5%
Epoch Capabilities Index135.01129.62
Chess Puzzles7%—
Mystery Game Puzzles7%—

Math GPT-4.1 nano leads

GPT-4.1 mini: 23.1 (#264), GPT-4.1 nano: 25.5 (#246)

BenchmarkGPT-4.1 miniGPT-4.1 nano
OTIS Mock AIME 2024-202544.7%28.9%
Omni-MATH49.1%36.7%
LMArena Math13431274
MATH Level 587.3%70%
FrontierMath (Feb 2025 set)4.5%1%
FrontierMath (Tiers 1-3)6.7%—

Knowledge GPT-4.1 mini leads

GPT-4.1 mini: 34.7 (#183), GPT-4.1 nano: 21.8 (#268)

BenchmarkGPT-4.1 miniGPT-4.1 nano
GPQA Diamond65.8%48.9%
SimpleQA Verified12.7%6%
MMLU-Pro78.3%55%
GPQA (HELM)61.4%50.7%
LMArena Expert13381272

Multimodal GPT-4.1 mini leads

GPT-4.1 mini: 35.2 (#77), GPT-4.1 nano: 28.6 (#108)

BenchmarkGPT-4.1 miniGPT-4.1 nano
LMArena Vision11811063

Multilingual GPT-4.1 mini leads

GPT-4.1 mini: 45.9 (#161), GPT-4.1 nano: 41.8 (#200)

BenchmarkGPT-4.1 miniGPT-4.1 nano
LMArena Non-English13181260
LMArena Chinese13291270
LMArena German13491288
LMArena Japanese12911199
LMArena Russian13241261
LMArena French1357—
LMArena Korean1298—
LMArena Spanish1319—

Instruction Following GPT-4.1 mini leads

GPT-4.1 mini: 73.9 (#113), GPT-4.1 nano: 68.0 (#188)

BenchmarkGPT-4.1 miniGPT-4.1 nano
IFEval90.4%84.3%
LMArena Instruction Following13321267

Long Context GPT-4.1 mini leads

GPT-4.1 mini: 31.8 (#270), GPT-4.1 nano: 23.7 (#291)

BenchmarkGPT-4.1 miniGPT-4.1 nano
Fiction.LiveBench44.4%25%
LMArena Longer Query13441283

Writing & Preference GPT-4.1 mini leads

GPT-4.1 mini: 48.8 (#193), GPT-4.1 nano: 40.7 (#238)

BenchmarkGPT-4.1 miniGPT-4.1 nano
LMArena Text13411285
LMArena Creative Writing13001260
EQ-Bench Creative Writing1147946
WildBench83.8%81.2%
LMArena Multi-Turn13541277

Frequently asked questions

Is GPT-4.1 mini better than GPT-4.1 nano?

GPT-4.1 mini is the stronger model overall, scoring 33.5 to 27.7 on the Noometry Index. GPT-4.1 nano costs 4.0× less per token, which makes it the better buy when GPT-4.1 mini's lead doesn't matter for your workload.

Which is cheaper, GPT-4.1 mini or GPT-4.1 nano?

GPT-4.1 nano is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; GPT-4.1 mini lists at $0.40 and $1.60.

Is GPT-4.1 mini or GPT-4.1 nano better for coding?

GPT-4.1 mini scores higher on coding benchmarks: 30.4 versus 23.8 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do GPT-4.1 mini and GPT-4.1 nano share?

38 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and GPT-4.1 nano has 38.

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