Noometry

Model comparison

Gemini 2.5 Pro vs Gemma 4 26B A4B IT

Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 32× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

Last verified . 28 shared benchmarks.

Gemini 2.5 Pro Google

45.0

Rank #75 Confirmed

Gemma 4 26B A4B IT Google

43.5

Rank #92 Confirmed

Summary

  • They share 28 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 8 categories and Gemma 4 26B A4B IT in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Gemini 2.5 Pro leads 59.8 to 43.6.
  • The biggest single-benchmark swing is WeirdML: 54% for Gemini 2.5 Pro and 35.2% for Gemma 4 26B A4B IT.
  • Gemma 4 26B A4B IT is cheaper at $0.0675 / $0.23 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
  • Gemini 2.5 Pro 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

Gemini 2.5 ProGemma 4 26B A4B IT
ProviderGoogleGoogle
Noometry Index45.043.5
Released2025-03-252026-04-02
WeightsProprietaryOpen
Context window1.05M262K
Max output66K33K
Input $ / M tokens$1.25$0.0675
Output $ / M tokens$10$0.23
Results tracked7828

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Category by category

Coding Gemini 2.5 Pro leads

Gemini 2.5 Pro: 42.4 (#101), Gemma 4 26B A4B IT: 39.0 (#164)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
LMArena WebDev12271359
SciCode42.8%40%
WeirdML54%35.2%
LMArena Coding14521447
ALE-Bench785.52927.17
SWE-bench Verified57.6%—
SWE-bench Verified (bash only)53.6%—
Aider Polyglot83.1%—
GSO3.9%—
LiveBench Coding85.9%—
CadEval64%—
AlgoTune1.51—

Agentic & Tool Use Not comparable

Gemini 2.5 Pro: 29.2 (#88), Gemma 4 26B A4B IT: —

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
Terminal-Bench32.6%—
GDPval23.3%—
Remote Labor Index0.8%—
TheAgentCompany30.3%—
τ²-bench Banking13.7%—
DeepResearch Bench42.8%—
BALROG43.3%—
LMArena Search1142—
METR Time Horizons55.4%—
Vending-Bench 2573.64—

Reasoning Gemini 2.5 Pro leads

Gemini 2.5 Pro: 28.8 (#99), Gemma 4 26B A4B IT: 21.8 (#213)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
CritPt2%0%
Chess Puzzles20%6%
LMArena Hard Prompts14551439
DTBench82.4%74.9%
LMCA34.8%29.7%
Epoch Capabilities Index145.32141.85
ARC-AGI-24.9%—
SimpleBench62.4%—
Kagi LLM Benchmark70.3%—
ARC-AGI-141%—
EnigmaEval5.6%—
LiveBench Reasoning89.8%—
LiveBench Data Analysis79.9%—
ForecastBench61.3—
LiveBench82.3%—

Math Gemma 4 26B A4B IT leads

Gemini 2.5 Pro: 32.5 (#213), Gemma 4 26B A4B IT: 47.6 (#67)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
OTIS Mock AIME 2024-202584.7%82.2%
LMArena Math14501470
FrontierMath (Tiers 1-3)24.6%—
FrontierMath Tier 40%—
Omni-MATH41.6%—
LiveBench Math90.2%—
MATH Level 595.9%—
FrontierMath (Feb 2025 set)14.1%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Gemini 2.5 Pro leads

Gemini 2.5 Pro: 56.0 (#46), Gemma 4 26B A4B IT: 45.7 (#85)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
GPQA Diamond85.3%73.2%
Vectara Hallucination Rate7%5.2%
LMArena Expert14521447
Humanity's Last Exam21.6%—
MMLU-Pro86.3%—
Confabulations10.6%—
GPQA (HELM)74.9%—

Multimodal Gemini 2.5 Pro leads

Gemini 2.5 Pro: 45.2 (#18), Gemma 4 26B A4B IT: 40.6 (#46)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
LMArena Vision12631260
GeoBench86%—
VPCT48%—
LMArena Document1421—
SpatialViz-Bench44.7%—

Multilingual Gemini 2.5 Pro leads

Gemini 2.5 Pro: 55.3 (#31), Gemma 4 26B A4B IT: 53.1 (#71)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
LMArena Non-English14511421
LMArena Chinese15071495
LMArena French14721460
LMArena Russian14611434
LMArena Spanish14731417
LMArena German1487—
LMArena Japanese1461—
LMArena Korean1434—

Instruction Following Too close to call

Gemini 2.5 Pro: 75.0 (#75), Gemma 4 26B A4B IT: 74.8 (#82)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
LMArena Instruction Following14371420
LiveBench Instruction Following80.6%—
IFEval84%—

Long Context Gemini 2.5 Pro leads

Gemini 2.5 Pro: 59.8 (#5), Gemma 4 26B A4B IT: 43.6 (#91)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
LMArena Longer Query14491428
Fiction.LiveBench91.7%—

Writing & Preference Gemini 2.5 Pro leads

Gemini 2.5 Pro: 63.7 (#62), Gemma 4 26B A4B IT: 58.6 (#115)

BenchmarkGemini 2.5 ProGemma 4 26B A4B IT
LMArena Text14581434
LMArena Creative Writing14541402
EQ-Bench Creative Writing14211305
LMArena Multi-Turn14531441
Short-Story Creative Writing83.8%—
WildBench85.7%—
LiveBench Language67.8%—

Frequently asked questions

Is Gemini 2.5 Pro better than Gemma 4 26B A4B IT?

Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 32× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

Which is cheaper, Gemini 2.5 Pro or Gemma 4 26B A4B IT?

Gemma 4 26B A4B IT is cheaper. It lists at $0.0675 per million input tokens and $0.23 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

Is Gemini 2.5 Pro or Gemma 4 26B A4B IT better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.4 versus 39.0 in the Noometry coding category.

Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 262K.

How many benchmarks do Gemini 2.5 Pro and Gemma 4 26B A4B IT share?

28 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and Gemma 4 26B A4B IT has 28.

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