Model comparison

GPT-4 vs GPT-5.4

GPT-5.4 is the stronger model overall, scoring 59.4 to 29.1 on the Noometry Index.

Last verified . 28 shared benchmarks.

GPT-4 OpenAI

29.1

Rank #316 Confirmed

GPT-5.4 OpenAI

59.4

Rank #16 Confirmed

Summary

  • They share 28 benchmarks with published results for both. GPT-4 scores higher in 0 categories and GPT-5.4 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.4 leads 73.5 to 10.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for GPT-4 and 97.8% for GPT-5.4.
  • GPT-5.4 is cheaper at $2.50 / $15 per million input/output tokens, against $30 / $60 for GPT-4.
  • GPT-5.4 accepts more context: 1.05M tokens versus 8K.

Side by side

GPT-4 and GPT-5.4 specifications
GPT-4GPT-5.4
ProviderOpenAIOpenAI
Noometry Index29.159.4
Released2023-03-142026-03-05
WeightsProprietaryProprietary
Context window8K1.05M
Max output8K128K
Input $ / M tokens$30$2.50
Output $ / M tokens$60$15
Results tracked3868

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GPT-5.4 leads

GPT-4: 31.6 (#283), GPT-5.4: 52.6 (#33)

Coding benchmarks
BenchmarkGPT-4GPT-5.4
WeirdML12.4%77.7%
LMArena Coding12541497
SWE-bench Verified—76.9%
DeepSWE—51.8%
LMArena WebDev—1465
SciCode—56.6%
GSO—31.4%
BigCodeBench Instruct46%—
MirrorCode—15.6%
BigCodeBench Complete57.2%—
ALE-Bench—1,607
AlgoTune—1.85
HumanEval+79.3%—

Agentic & Tool Use Not comparable

GPT-4: —, GPT-5.4: 46.5 (#13)

Agentic & Tool Use benchmarks
BenchmarkGPT-4GPT-5.4
METR Time Horizons36.1%74.3%
Terminal-Bench—81.8%
APEX-Agents—52.4%
τ²-bench Banking—39.4%
DeepResearch Bench—35.1%
PostTrainBench—19%
GBAEval—45.1%
LMArena Search—1197
Vending-Bench 2—6,144

Reasoning GPT-5.4 leads

GPT-4: 17.8 (#289), GPT-5.4: 61.8 (#19)

Reasoning benchmarks
BenchmarkGPT-4GPT-5.4
Chess Puzzles4%44%
LMArena Hard Prompts12411485
Mystery Game Puzzles12%37%
DTBench62.7%94.4%
LMCA17.1%52%
Epoch Capabilities Index125.89156.81
ForecastBench57.859.5
ARC-AGI-2—74%
Kagi LLM Benchmark—63.8%
NYT Connections (extended)—91.3%
ARC-AGI-1—93.7%
CritPt—23.4%
EnigmaEval—16%
Thematic Generalization—80%
EBR-Bench—25.4%
BIG-Bench Hard75.1%—
HellaSwag95.3%—
WinoGrande87.5%—

Math GPT-5.4 leads

GPT-4: 10.8 (#309), GPT-5.4: 73.5 (#19)

Knowledge GPT-5.4 leads

GPT-4: 18.4 (#282), GPT-5.4: 65.3 (#14)

Knowledge benchmarks
BenchmarkGPT-4GPT-5.4
GPQA Diamond35.7%93.3%
LMArena Expert12111507
Humanity's Last Exam—36.2%
SimpleQA Verified—45.1%
Vectara Hallucination Rate—7%
MMLU86.4%—
TriviaQA84.8%—

Multimodal Not comparable

GPT-4: —, GPT-5.4: 43.7 (#20)

Multimodal benchmarks
BenchmarkGPT-4GPT-5.4
LMArena Vision—1303
Blueprint-Bench 2—27.1%
Furniture Assembly—37.5%
LMArena Document—1471

Multilingual GPT-5.4 leads

GPT-4: 40.6 (#215), GPT-5.4: 56.2 (#23)

Multilingual benchmarks
BenchmarkGPT-4GPT-5.4
LMArena Non-English12461465
LMArena Chinese12421519
LMArena French12831493
LMArena German12511472
LMArena Japanese12091485
LMArena Korean11841448
LMArena Russian12511480
LMArena Spanish12611454

Instruction Following GPT-5.4 leads

GPT-4: 65.3 (#222), GPT-5.4: 77.1 (#27)

Instruction Following benchmarks
BenchmarkGPT-4GPT-5.4
LMArena Instruction Following12411469

Long Context GPT-5.4 leads

GPT-4: 37.7 (#212), GPT-5.4: 50.3 (#8)

Long Context benchmarks
BenchmarkGPT-4GPT-5.4
LMArena Longer Query12441473
CL-bench—27.9%
CL-bench Life—21.7%

Writing & Preference GPT-5.4 leads

GPT-4: 34.9 (#268), GPT-5.4: 71.9 (#17)

Writing & Preference benchmarks
BenchmarkGPT-4GPT-5.4
LMArena Text12631469
LMArena Creative Writing12441439
EQ-Bench Creative Writing7521840
LMArena Multi-Turn12571482
EQ-Bench 4—1272

Frequently asked questions

Is GPT-4 better than GPT-5.4?

GPT-5.4 is the stronger model overall, scoring 59.4 to 29.1 on the Noometry Index.

Which is cheaper, GPT-4 or GPT-5.4?

GPT-5.4 is cheaper. It lists at $2.50 per million input tokens and $15 per million output tokens; GPT-4 lists at $30 and $60.

Is GPT-4 or GPT-5.4 better for coding?

GPT-5.4 scores higher on coding benchmarks: 52.6 versus 31.6 in the Noometry coding category.

Which has the bigger context window?

GPT-5.4 does, with 1.05M tokens against 8K.

How many benchmarks do GPT-4 and GPT-5.4 share?

28 benchmarks have published results for both models. GPT-4 has 38 scored results on Noometry and GPT-5.4 has 68.

Related comparisons

Go deeper