Noometry

Model comparison

GPT-4.1 mini vs GPT-5.4 nano

GPT-5.4 nano is the stronger model overall, scoring 41.9 to 33.6 on the Noometry Index.

Last verified . 34 shared benchmarks.

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

GPT-5.4 nano OpenAI

41.9

Rank #125 Confirmed

Summary

  • They share 34 benchmarks with published results for both. GPT-4.1 mini scores higher in 1 category and GPT-5.4 nano in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.4 nano leads 40.9 to 24.1.
  • The biggest single-benchmark swing is ARC-AGI-1: 3.5% for GPT-4.1 mini and 51.5% for GPT-5.4 nano.
  • GPT-5.4 nano is cheaper at $0.20 / $1.25 per million input/output tokens, against $0.40 / $1.60 for GPT-4.1 mini.
  • GPT-4.1 mini accepts more context: 1.05M tokens versus 400K.

Side by side

GPT-4.1 miniGPT-5.4 nano
ProviderOpenAIOpenAI
Noometry Index33.641.9
Released2025-04-142026-03-17
WeightsProprietaryProprietary
Context window1.05M400K
Max output33K128K
Input $ / M tokens$0.40$0.20
Output $ / M tokens$1.60$1.25
Results tracked4740

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Category by category

Coding GPT-5.4 nano leads

GPT-4.1 mini: 30.6 (#293), GPT-5.4 nano: 43.6 (#84)

BenchmarkGPT-4.1 miniGPT-5.4 nano
SciCode40.4%46.9%
WeirdML37.6%49.2%
LMArena Coding13671405
SWE-bench Verified (bash only)23.9%—
Aider Polyglot32.4%—
BigCodeBench Instruct48.9%—
CadEval16%—
ALE-Bench—1,005

Agentic & Tool Use Not comparable

GPT-4.1 mini: 33.3 (#55), GPT-5.4 nano: —

BenchmarkGPT-4.1 miniGPT-5.4 nano
Berkeley Function Calling Leaderboard50.5%—

Reasoning GPT-5.4 nano leads

GPT-4.1 mini: 10.8 (#340), GPT-5.4 nano: 23.7 (#173)

BenchmarkGPT-4.1 miniGPT-5.4 nano
ARC-AGI-20%5.7%
Kagi LLM Benchmark48.6%39.7%
ARC-AGI-13.5%51.5%
CritPt0%9.3%
Chess Puzzles7%30%
LMArena Hard Prompts13491381
Mystery Game Puzzles7%9%
DTBench68.8%80.3%
LMCA21.1%36.9%
Epoch Capabilities Index135.01145.81
ForecastBench—57.3

Math GPT-5.4 nano leads

GPT-4.1 mini: 24.1 (#270), GPT-5.4 nano: 40.9 (#88)

BenchmarkGPT-4.1 miniGPT-5.4 nano
FrontierMath (Tiers 1-3)6.7%44.9%
OTIS Mock AIME 2024-202544.7%87.8%
LMArena Math13431406
FrontierMath (Feb 2025 set)4.5%25.9%
FrontierMath Tier 4—12.2%
ProofBench—5%
Omni-MATH49.1%—
MATH Level 587.3%—
FrontierMath Tier 4 (v1)—6.3%

Knowledge GPT-5.4 nano leads

GPT-4.1 mini: 34.7 (#194), GPT-5.4 nano: 41.9 (#103)

BenchmarkGPT-4.1 miniGPT-5.4 nano
GPQA Diamond65.8%78.5%
SimpleQA Verified12.7%11.7%
LMArena Expert13381396
MMLU-Pro78.3%—
Vectara Hallucination Rate—3.1%
GPQA (HELM)61.4%—

Multimodal Too close to call

GPT-4.1 mini: 35.8 (#82), GPT-5.4 nano: 36.7 (#78)

BenchmarkGPT-4.1 miniGPT-5.4 nano
LMArena Vision11811196

Multilingual GPT-5.4 nano leads

GPT-4.1 mini: 45.7 (#166), GPT-5.4 nano: 48.6 (#140)

BenchmarkGPT-4.1 miniGPT-5.4 nano
LMArena Non-English13181359
LMArena Chinese13291392
LMArena French13581396
LMArena German13511367
LMArena Japanese12901343
LMArena Korean12981320
LMArena Russian13241363
LMArena Spanish13191371

Instruction Following GPT-4.1 mini leads

GPT-4.1 mini: 73.7 (#118), GPT-5.4 nano: 71.9 (#144)

BenchmarkGPT-4.1 miniGPT-5.4 nano
LMArena Instruction Following13331362
IFEval90.4%—

Long Context GPT-5.4 nano leads

GPT-4.1 mini: 31.8 (#275), GPT-5.4 nano: 41.6 (#137)

BenchmarkGPT-4.1 miniGPT-5.4 nano
LMArena Longer Query13441366
Fiction.LiveBench44.4%—

Writing & Preference GPT-5.4 nano leads

GPT-4.1 mini: 48.6 (#199), GPT-5.4 nano: 55.7 (#142)

BenchmarkGPT-4.1 miniGPT-5.4 nano
LMArena Text13401372
LMArena Creative Writing13001314
LMArena Multi-Turn13541382
EQ-Bench Creative Writing1147—
WildBench83.8%—

Frequently asked questions

Is GPT-4.1 mini better than GPT-5.4 nano?

GPT-5.4 nano is the stronger model overall, scoring 41.9 to 33.6 on the Noometry Index.

Which is cheaper, GPT-4.1 mini or GPT-5.4 nano?

GPT-5.4 nano is cheaper. It lists at $0.20 per million input tokens and $1.25 per million output tokens; GPT-4.1 mini lists at $0.40 and $1.60.

Is GPT-4.1 mini or GPT-5.4 nano better for coding?

GPT-5.4 nano scores higher on coding benchmarks: 43.6 versus 30.6 in the Noometry coding category.

Which has the bigger context window?

GPT-4.1 mini does, with 1.05M tokens against 400K.

How many benchmarks do GPT-4.1 mini and GPT-5.4 nano share?

34 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and GPT-5.4 nano has 40.

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