Model comparison

GPT-4.1 vs GPT-5 Mini

GPT-5 Mini is the stronger model overall, scoring 41.7 to 35.7 on the Noometry Index.

Last verified . 48 shared benchmarks.

GPT-4.1 OpenAI

35.7

Rank #215 Confirmed

GPT-5 Mini OpenAI

41.7

Rank #115 Confirmed

Summary

  • They share 48 benchmarks with published results for both. GPT-4.1 scores higher in 4 categories and GPT-5 Mini in 6 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5 Mini leads 46.3 to 21.4.
  • The biggest single-benchmark swing is ARC-AGI-1: 5.5% for GPT-4.1 and 54.3% for GPT-5 Mini.
  • GPT-5 Mini is cheaper at $0.25 / $2 per million input/output tokens, against $2 / $8 for GPT-4.1.
  • GPT-4.1 accepts more context: 1.05M tokens versus 400K.

Side by side

GPT-4.1 and GPT-5 Mini specifications
GPT-4.1GPT-5 Mini
ProviderOpenAIOpenAI
Noometry Index35.741.7
Released2025-04-142025-08-07
WeightsProprietaryProprietary
Context window1.05M400K
Max output33K128K
Input $ / M tokens$2$0.25
Output $ / M tokens$8$2
Results tracked5260

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Category by category

Coding GPT-5 Mini leads

GPT-4.1: 34.2 (#228), GPT-5 Mini: 40.0 (#134)

Coding benchmarks
BenchmarkGPT-4.1GPT-5 Mini
SWE-bench Verified48.5%64.7%
SWE-bench Verified (bash only)39.6%59.8%
WeirdML39%52.7%
LMArena Coding13911406
ALE-Bench558.1799.77
Aider Polyglot52.4%—
SWE-bench Multilingual—39.7%
SciCode—39.2%
CadEval42%—
AlgoTune—1.38

Agentic & Tool Use GPT-4.1 leads

GPT-4.1: 34.4 (#40), GPT-5 Mini: 31.0 (#64)

Agentic & Tool Use benchmarks
BenchmarkGPT-4.1GPT-5 Mini
Berkeley Function Calling Leaderboard54%55.5%
Terminal-Bench—34.8%
Vending-Bench 2—-31.18

Reasoning GPT-5 Mini leads

GPT-4.1: 11.7 (#334), GPT-5 Mini: 24.1 (#153)

Reasoning benchmarks
BenchmarkGPT-4.1GPT-5 Mini
ARC-AGI-20.4%4.4%
Kagi LLM Benchmark52.3%70.3%
ARC-AGI-15.5%54.3%
Chess Puzzles6%30%
EnigmaEval2.2%8.2%
LMArena Hard Prompts13841380
DTBench68.3%80.5%
LMCA25.6%34.2%
Epoch Capabilities Index136.79145.51
ForecastBench61.561
SimpleBench27%—
CritPt—0%
Mystery Game Puzzles—10%

Math GPT-5 Mini leads

GPT-4.1: 21.4 (#269), GPT-5 Mini: 46.3 (#59)

Math benchmarks
BenchmarkGPT-4.1GPT-5 Mini
FrontierMath (Tiers 1-3)6%46.7%
OTIS Mock AIME 2024-202538.3%86.7%
Omni-MATH47.1%72.2%
LMArena Math13691377
MATH Level 583%97.8%
FrontierMath (Feb 2025 set)5.5%27.2%
FrontierMath Tier 4 (v1)0%6.3%
FrontierMath Tier 4—12.2%
ProofBench—9%

Knowledge GPT-5 Mini leads

GPT-4.1: 37.0 (#152), GPT-5 Mini: 45.5 (#80)

Knowledge benchmarks
BenchmarkGPT-4.1GPT-5 Mini
GPQA Diamond66.9%75%
Humanity's Last Exam5.4%19.4%
SimpleQA Verified31.1%21.6%
MMLU-Pro81.1%83.5%
Vectara Hallucination Rate5.6%12.9%
GPQA (HELM)65.9%75.6%
LMArena Expert13641377
Confabulations—13.3%

Multimodal GPT-4.1 leads

GPT-4.1: 37.5 (#66), GPT-5 Mini: 35.0 (#80)

Multimodal benchmarks
BenchmarkGPT-4.1GPT-5 Mini
LMArena Vision12101202
GeoBench72%—
VPCT—40.2%

Multilingual Too close to call

GPT-4.1: 49.6 (#128), GPT-5 Mini: 49.1 (#131)

Multilingual benchmarks
BenchmarkGPT-4.1GPT-5 Mini
LMArena Non-English13701363
LMArena Chinese13821387
LMArena French13831385
LMArena German13801366
LMArena Japanese13201342
LMArena Korean13391306
LMArena Russian13771362
LMArena Spanish13751355

Instruction Following GPT-5 Mini leads

GPT-4.1: 71.5 (#148), GPT-5 Mini: 76.4 (#43)

Instruction Following benchmarks
BenchmarkGPT-4.1GPT-5 Mini
IFEval83.8%92.7%
LMArena Instruction Following13671357

Long Context GPT-5 Mini leads

GPT-4.1: 40.0 (#158), GPT-5 Mini: 41.9 (#127)

Long Context benchmarks
BenchmarkGPT-4.1GPT-5 Mini
Fiction.LiveBench63.9%69.4%
LMArena Longer Query13851355

Writing & Preference GPT-4.1 leads

GPT-4.1: 57.8 (#120), GPT-5 Mini: 55.4 (#143)

Writing & Preference benchmarks
BenchmarkGPT-4.1GPT-5 Mini
LMArena Text13831373
LMArena Creative Writing13631325
EQ-Bench Creative Writing14201313
WildBench85.4%85.5%
LMArena Multi-Turn13981363
Short-Story Creative Writing—83.1%

Frequently asked questions

Is GPT-4.1 better than GPT-5 Mini?

GPT-5 Mini is the stronger model overall, scoring 41.7 to 35.7 on the Noometry Index.

Which is cheaper, GPT-4.1 or GPT-5 Mini?

GPT-5 Mini is cheaper. It lists at $0.25 per million input tokens and $2 per million output tokens; GPT-4.1 lists at $2 and $8.

Is GPT-4.1 or GPT-5 Mini better for coding?

GPT-5 Mini scores higher on coding benchmarks: 40.0 versus 34.2 in the Noometry coding category.

Which has the bigger context window?

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

How many benchmarks do GPT-4.1 and GPT-5 Mini share?

48 benchmarks have published results for both models. GPT-4.1 has 52 scored results on Noometry and GPT-5 Mini has 60.

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