Model comparison

Gemma 4 26B A4B IT vs GPT-5.4

GPT-5.4 is the stronger model overall, scoring 59.4 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 53× less per token, which makes it the better buy when GPT-5.4's lead doesn't matter for your workload.

Last verified . 28 shared benchmarks.

Gemma 4 26B A4B IT Google

43.5

Rank #92 Confirmed

GPT-5.4 OpenAI

59.4

Rank #16 Confirmed

Summary

  • They share 28 benchmarks with published results for both. Gemma 4 26B A4B IT scores higher in 0 categories and GPT-5.4 in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.4 leads 61.8 to 21.8.
  • The biggest single-benchmark swing is WeirdML: 35.2% for Gemma 4 26B A4B IT and 77.7% for GPT-5.4.
  • Gemma 4 26B A4B IT is cheaper at $0.0675 / $0.23 per million input/output tokens, against $2.50 / $15 for GPT-5.4.
  • GPT-5.4 accepts more context: 1.05M tokens versus 262K.
  • Gemma 4 26B A4B IT has downloadable open weights; the other is API-only.

Side by side

Gemma 4 26B A4B IT and GPT-5.4 specifications
Gemma 4 26B A4B ITGPT-5.4
ProviderGoogleOpenAI
Noometry Index43.559.4
Released2026-04-022026-03-05
WeightsOpenProprietary
Context window262K1.05M
Max output33K128K
Input $ / M tokens$0.0675$2.50
Output $ / M tokens$0.23$15
Results tracked2868

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

Category by category

Coding GPT-5.4 leads

Gemma 4 26B A4B IT: 39.0 (#164), GPT-5.4: 52.6 (#33)

Coding benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena WebDev13591465
SciCode40%56.6%
WeirdML35.2%77.7%
LMArena Coding14471497
ALE-Bench927.171,607
SWE-bench Verified—76.9%
DeepSWE—51.8%
GSO—31.4%
MirrorCode—15.6%
AlgoTune—1.85

Agentic & Tool Use Not comparable

Gemma 4 26B A4B IT: —, GPT-5.4: 46.5 (#13)

Agentic & Tool Use benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
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
METR Time Horizons—74.3%
Vending-Bench 2—6,144

Reasoning GPT-5.4 leads

Gemma 4 26B A4B IT: 21.8 (#213), GPT-5.4: 61.8 (#19)

Reasoning benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
CritPt0%23.4%
Chess Puzzles6%44%
LMArena Hard Prompts14391485
DTBench74.9%94.4%
LMCA29.7%52%
Epoch Capabilities Index141.85156.81
ARC-AGI-2—74%
Kagi LLM Benchmark—63.8%
NYT Connections (extended)—91.3%
ARC-AGI-1—93.7%
EnigmaEval—16%
Thematic Generalization—80%
EBR-Bench—25.4%
Mystery Game Puzzles—37%
ForecastBench—59.5

Math GPT-5.4 leads

Gemma 4 26B A4B IT: 47.6 (#67), GPT-5.4: 73.5 (#19)

Knowledge GPT-5.4 leads

Gemma 4 26B A4B IT: 45.7 (#85), GPT-5.4: 65.3 (#14)

Knowledge benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
GPQA Diamond73.2%93.3%
Vectara Hallucination Rate5.2%7%
LMArena Expert14471507
Humanity's Last Exam—36.2%
SimpleQA Verified—45.1%

Multimodal GPT-5.4 leads

Gemma 4 26B A4B IT: 40.6 (#46), GPT-5.4: 43.7 (#20)

Multimodal benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Vision12601303
Blueprint-Bench 2—27.1%
Furniture Assembly—37.5%
LMArena Document—1471

Multilingual GPT-5.4 leads

Gemma 4 26B A4B IT: 53.1 (#71), GPT-5.4: 56.2 (#23)

Multilingual benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Non-English14211465
LMArena Chinese14951519
LMArena French14601493
LMArena Russian14341480
LMArena Spanish14171454
LMArena German—1472
LMArena Japanese—1485
LMArena Korean—1448

Instruction Following GPT-5.4 leads

Gemma 4 26B A4B IT: 74.8 (#82), GPT-5.4: 77.1 (#27)

Instruction Following benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Instruction Following14201469

Long Context GPT-5.4 leads

Gemma 4 26B A4B IT: 43.6 (#91), GPT-5.4: 50.3 (#8)

Long Context benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Longer Query14281473
CL-bench—27.9%
CL-bench Life—21.7%

Writing & Preference GPT-5.4 leads

Gemma 4 26B A4B IT: 58.6 (#115), GPT-5.4: 71.9 (#17)

Writing & Preference benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Text14341469
LMArena Creative Writing14021439
EQ-Bench Creative Writing13051840
LMArena Multi-Turn14411482
EQ-Bench 4—1272

Frequently asked questions

Is Gemma 4 26B A4B IT better than GPT-5.4?

GPT-5.4 is the stronger model overall, scoring 59.4 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 53× less per token, which makes it the better buy when GPT-5.4's lead doesn't matter for your workload.

Which is cheaper, Gemma 4 26B A4B IT or GPT-5.4?

Gemma 4 26B A4B IT is cheaper. It lists at $0.0675 per million input tokens and $0.23 per million output tokens; GPT-5.4 lists at $2.50 and $15.

Is Gemma 4 26B A4B IT or GPT-5.4 better for coding?

GPT-5.4 scores higher on coding benchmarks: 52.6 versus 39.0 in the Noometry coding category.

Which has the bigger context window?

GPT-5.4 does, with 1.05M tokens against 262K.

How many benchmarks do Gemma 4 26B A4B IT and GPT-5.4 share?

28 benchmarks have published results for both models. Gemma 4 26B A4B IT has 28 scored results on Noometry and GPT-5.4 has 68.

Related comparisons

Go deeper