Model comparison

Gemma 2 9B vs GPT-5.2

GPT-5.2 is the stronger model overall, scoring 54.1 to 25.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Gemma 2 9B Google

25.9

Rank #341 Confirmed

GPT-5.2 OpenAI

54.1

Rank #34 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemma 2 9B scores higher in 0 categories and GPT-5.2 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.2 leads 60.0 to 9.9.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 0.6% for Gemma 2 9B and 96.1% for GPT-5.2.
  • Gemma 2 9B has downloadable open weights; the other is API-only.

Side by side

Gemma 2 9B and GPT-5.2 specifications
Gemma 2 9BGPT-5.2
ProviderGoogleOpenAI
Noometry Index25.954.1
Released2024-06-242025-12-11
WeightsOpenProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.75
Output $ / M tokens—$14
Results tracked3567

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Category by category

Coding GPT-5.2 leads

Gemma 2 9B: 29.4 (#304), GPT-5.2: 51.6 (#37)

Coding benchmarks
BenchmarkGemma 2 9BGPT-5.2
LMArena Coding11731447
SWE-bench Verified—73.8%
SWE-bench Verified (bash only)—72.8%
LMArena WebDev—1416
SWE-bench Multilingual—66.7%
GSO—27.4%
WeirdML—72.2%
BigCodeBench Instruct34.7%—
LiveBench Coding22.5%—
BigCodeBench Complete40.6%—
ALE-Bench—1,294
AlgoTune—2.05

Agentic & Tool Use Not comparable

Gemma 2 9B: —, GPT-5.2: 40.2 (#24)

Agentic & Tool Use benchmarks
BenchmarkGemma 2 9BGPT-5.2
Terminal-Bench—64.9%
Berkeley Function Calling Leaderboard—55.9%
GDPval—49.7%
Remote Labor Index—2.5%
τ²-bench Airline—83%
τ²-bench Banking—32.2%
τ²-bench Retail—81.6%
τ²-bench Telecom—89.7%
DeepResearch Bench—41.1%
LMArena Search—1207
METR Time Horizons—75.3%
Vending-Bench 2—3,591

Reasoning GPT-5.2 leads

Gemma 2 9B: 15.9 (#309), GPT-5.2: 50.2 (#35)

Reasoning benchmarks
BenchmarkGemma 2 9BGPT-5.2
LMArena Hard Prompts11711445
Epoch Capabilities Index119.83153.45
ARC-AGI-2—52.9%
SimpleBench—45.8%
Kagi LLM Benchmark—73.3%
NYT Connections (extended)—83.6%
ARC-AGI-1—86.2%
Chess Puzzles—49%
EnigmaEval—10.4%
EBR-Bench—23%
LiveBench Reasoning15.2%—
Mystery Game Puzzles—23%
DTBench—90.9%
LiveBench Data Analysis36.4%—
LMCA—43.9%
ForecastBench—60.1
LiveBench28.7%—
PIQA83.7%—

Math GPT-5.2 leads

Gemma 2 9B: 9.9 (#318), GPT-5.2: 60.0 (#38)

Knowledge GPT-5.2 leads

Gemma 2 9B: 9.7 (#305), GPT-5.2: 59.3 (#32)

Knowledge benchmarks
BenchmarkGemma 2 9BGPT-5.2
GPQA Diamond27.5%91.4%
LMArena Expert11471445
Humanity's Last Exam—27.8%
SimpleQA Verified—37.1%
Vectara Hallucination Rate—8.4%
BoolQ85.7%—
MMLU72.1%—

Multimodal Not comparable

Gemma 2 9B: —, GPT-5.2: 51.3 (#7)

Multimodal benchmarks
BenchmarkGemma 2 9BGPT-5.2
LMArena Vision—1268
VPCT—84%
Furniture Assembly—38.3%
LMArena Document—1405

Multilingual GPT-5.2 leads

Gemma 2 9B: 36.6 (#238), GPT-5.2: 53.4 (#67)

Multilingual benchmarks
BenchmarkGemma 2 9BGPT-5.2
LMArena Non-English11881425
LMArena Chinese11851460
LMArena French11901455
LMArena German11861448
LMArena Japanese11441420
LMArena Korean11371392
LMArena Russian12001440
LMArena Spanish12001433

Instruction Following GPT-5.2 leads

Gemma 2 9B: 57.6 (#269), GPT-5.2: 74.7 (#89)

Instruction Following benchmarks
BenchmarkGemma 2 9BGPT-5.2
LMArena Instruction Following11781417
LiveBench Instruction Following52.6%—

Long Context GPT-5.2 leads

Gemma 2 9B: 36.3 (#233), GPT-5.2: 44.0 (#78)

Long Context benchmarks
BenchmarkGemma 2 9BGPT-5.2
LMArena Longer Query11971428
CL-bench—18.2%

Writing & Preference GPT-5.2 leads

Gemma 2 9B: 32.1 (#281), GPT-5.2: 66.8 (#32)

Writing & Preference benchmarks
BenchmarkGemma 2 9BGPT-5.2
LMArena Text12071439
LMArena Creative Writing12061401
EQ-Bench Creative Writing8411703
LMArena Multi-Turn11931458
LiveBench Language25.5%—

Frequently asked questions

Is Gemma 2 9B better than GPT-5.2?

GPT-5.2 is the stronger model overall, scoring 54.1 to 25.9 on the Noometry Index.

Is Gemma 2 9B or GPT-5.2 better for coding?

GPT-5.2 scores higher on coding benchmarks: 51.6 versus 29.4 in the Noometry coding category.

How many benchmarks do Gemma 2 9B and GPT-5.2 share?

21 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and GPT-5.2 has 67.

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