Model comparison

GPT-5.2 vs GPT-5.4 Pro

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 54.1 on the Noometry Index. GPT-5.2 costs 14× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

Last verified . 15 shared benchmarks.

GPT-5.2 OpenAI

54.1

Rank #34 Confirmed

GPT-5.4 Pro OpenAI

58.9

Rank #18 Confirmed

Summary

  • They share 15 benchmarks with published results for both. GPT-5.2 scores higher in 1 category and GPT-5.4 Pro in 3 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 50.2.
  • The biggest single-benchmark swing is ARC-AGI-2: 52.9% for GPT-5.2 and 83.3% for GPT-5.4 Pro.
  • GPT-5.2 is cheaper at $1.75 / $14 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
  • GPT-5.4 Pro accepts more context: 1.05M tokens versus 400K.

Side by side

GPT-5.2 and GPT-5.4 Pro specifications
GPT-5.2GPT-5.4 Pro
ProviderOpenAIOpenAI
Noometry Index54.158.9
Released2025-12-112026-03-05
WeightsProprietaryProprietary
Context window400K1.05M
Max output128K128K
Input $ / M tokens$1.75$30
Output $ / M tokens$14$180
Results tracked6716

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

Category by category

Coding GPT-5.2 leads

GPT-5.2: 51.6 (#37), GPT-5.4 Pro: 43.2 (#90)

Coding benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
WeirdML72.2%57.4%
SWE-bench Verified73.8%—
SWE-bench Verified (bash only)72.8%—
LMArena WebDev1416—
SWE-bench Multilingual66.7%—
GSO27.4%—
LMArena Coding1447—
ALE-Bench1,294—
AlgoTune2.05—

Agentic & Tool Use Not comparable

GPT-5.2: 40.2 (#24), GPT-5.4 Pro: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
Terminal-Bench64.9%—
Berkeley Function Calling Leaderboard55.9%—
GDPval49.7%—
Remote Labor Index2.5%—
τ²-bench Airline83%—
τ²-bench Banking32.2%—
τ²-bench Retail81.6%—
τ²-bench Telecom89.7%—
DeepResearch Bench41.1%—
LMArena Search1207—
METR Time Horizons75.3%—
Vending-Bench 23,591—

Reasoning GPT-5.4 Pro leads

GPT-5.2: 50.2 (#35), GPT-5.4 Pro: 70.7 (#13)

Reasoning benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
ARC-AGI-252.9%83.3%
SimpleBench45.8%74.1%
ARC-AGI-186.2%94.5%
Chess Puzzles49%58.6%
EnigmaEval10.4%23.8%
Epoch Capabilities Index153.45158.93
Kagi LLM Benchmark73.3%—
NYT Connections (extended)83.6%—
CritPt—30%
EBR-Bench23%—
LMArena Hard Prompts1445—
Mystery Game Puzzles23%—
DTBench90.9%—
LMCA43.9%—
ForecastBench60.1—

Math GPT-5.4 Pro leads

GPT-5.2: 60.0 (#38), GPT-5.4 Pro: 72.4 (#22)

Knowledge GPT-5.4 Pro leads

GPT-5.2: 59.3 (#32), GPT-5.4 Pro: 68.3 (#7)

Knowledge benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
GPQA Diamond91.4%94.6%
Humanity's Last Exam27.8%44.3%
SimpleQA Verified37.1%46.3%
Vectara Hallucination Rate8.4%8.3%
LMArena Expert1445—

Multimodal Not comparable

GPT-5.2: 51.3 (#7), GPT-5.4 Pro: —

Multimodal benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
LMArena Vision1268—
VPCT84%—
Furniture Assembly38.3%—
LMArena Document1405—

Multilingual Not comparable

GPT-5.2: 53.4 (#67), GPT-5.4 Pro: —

Multilingual benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
LMArena Non-English1425—
LMArena Chinese1460—
LMArena French1455—
LMArena German1448—
LMArena Japanese1420—
LMArena Korean1392—
LMArena Russian1440—
LMArena Spanish1433—

Instruction Following Not comparable

GPT-5.2: 74.7 (#89), GPT-5.4 Pro: —

Instruction Following benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
LMArena Instruction Following1417—

Long Context Not comparable

GPT-5.2: 44.0 (#78), GPT-5.4 Pro: —

Long Context benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
CL-bench18.2%—
LMArena Longer Query1428—

Writing & Preference Not comparable

GPT-5.2: 66.8 (#32), GPT-5.4 Pro: —

Writing & Preference benchmarks
BenchmarkGPT-5.2GPT-5.4 Pro
LMArena Text1439—
LMArena Creative Writing1401—
EQ-Bench Creative Writing1703—
LMArena Multi-Turn1458—

Frequently asked questions

Is GPT-5.2 better than GPT-5.4 Pro?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 54.1 on the Noometry Index. GPT-5.2 costs 14× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

Which is cheaper, GPT-5.2 or GPT-5.4 Pro?

GPT-5.2 is cheaper. It lists at $1.75 per million input tokens and $14 per million output tokens; GPT-5.4 Pro lists at $30 and $180.

Is GPT-5.2 or GPT-5.4 Pro better for coding?

GPT-5.2 scores higher on coding benchmarks: 51.6 versus 43.2 in the Noometry coding category.

Which has the bigger context window?

GPT-5.4 Pro does, with 1.05M tokens against 400K.

How many benchmarks do GPT-5.2 and GPT-5.4 Pro share?

15 benchmarks have published results for both models. GPT-5.2 has 67 scored results on Noometry and GPT-5.4 Pro has 16.

Related comparisons

Go deeper