Model comparison

Gemma 4 26B A4B IT vs GPT-5.4

GPT-5.4 is the stronger model overall, scoring 59.5 to 43.1 on the Noometry Index. Gemma 4 26B A4B IT costs 46× 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

43.1

Rank #88 Confirmed

GPT-5.4 OpenAI

59.5

Rank #14 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 61.7 to 21.1.
  • 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 $0.0765 / $0.26 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 Index43.159.5
Released2026-04-022026-03-05
WeightsOpenProprietary
Context window262K1.05M
Max output33K128K
Input $ / M tokens$0.0765$2.50
Output $ / M tokens$0.26$15
Results tracked2868

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Category by category

Coding GPT-5.4 leads

Gemma 4 26B A4B IT: 38.8 (#156), GPT-5.4: 52.8 (#28)

Coding benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena WebDev13591465
SciCode40%56.6%
WeirdML35.2%77.7%
LMArena Coding14461497
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 (#12)

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: 21.1 (#205), GPT-5.4: 61.7 (#17)

Reasoning benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
CritPt0%23.4%
Chess Puzzles6%44%
LMArena Hard Prompts14381485
DTBench74.9%94.4%
LMCA29.7%52%
Epoch Capabilities Index141.85156.92
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: 45.7 (#61), GPT-5.4: 73.3 (#14)

Knowledge GPT-5.4 leads

Gemma 4 26B A4B IT: 45.6 (#79), GPT-5.4: 65.3 (#13)

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: 39.9 (#43), GPT-5.4: 43.8 (#19)

Multimodal benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Vision12601302
Blueprint-Bench 2—27.1%
Furniture Assembly—37.5%
LMArena Document—1471

Multilingual GPT-5.4 leads

Gemma 4 26B A4B IT: 53.3 (#68), GPT-5.4: 56.4 (#22)

Multilingual benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Non-English14221465
LMArena Chinese14951520
LMArena French14591493
LMArena Russian14341480
LMArena Spanish14151453
LMArena German—1472
LMArena Japanese—1484
LMArena Korean—1449

Instruction Following GPT-5.4 leads

Gemma 4 26B A4B IT: 75.0 (#78), GPT-5.4: 77.3 (#25)

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 (#87), GPT-5.4: 50.3 (#8)

Long Context benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Longer Query14271474
CL-bench—27.9%
CL-bench Life—21.7%

Writing & Preference GPT-5.4 leads

Gemma 4 26B A4B IT: 58.8 (#110), GPT-5.4: 72.1 (#18)

Writing & Preference benchmarks
BenchmarkGemma 4 26B A4B ITGPT-5.4
LMArena Text14341469
LMArena Creative Writing14011439
EQ-Bench Creative Writing13051840
LMArena Multi-Turn14421482
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 59.5 to 43.1 on the Noometry Index. Gemma 4 26B A4B IT costs 46× 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 $0.0765 per million input tokens and $0.26 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: 52.8 versus 38.8 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.

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