Noometry

Model comparison

Gemma 2 27B vs GPT-6.1 Sol

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 29.4 on the Noometry Index. Gemma 2 27B costs 6.2× less per token, which makes it the better buy when GPT-6.1 Sol's lead doesn't matter for your workload.

Last verified . 15 shared benchmarks.

Gemma 2 27B Google

29.4

Rank #312 Confirmed

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Summary

  • They share 15 benchmarks with published results for both. Gemma 2 27B scores higher in 0 categories and GPT-6.1 Sol in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-6.1 Sol leads 93.7 to 10.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.4% for Gemma 2 27B and 100% for GPT-6.1 Sol.
  • Gemma 2 27B is cheaper at $0.65 / $0.65 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
  • GPT-6.1 Sol accepts more context: 1.05M tokens versus 8K.
  • Gemma 2 27B has downloadable open weights; the other is API-only.

Side by side

Gemma 2 27BGPT-6.1 Sol
ProviderGoogleOpenAI
Noometry Index29.465.6
Released2024-06-242026-09-29
WeightsOpenProprietary
Context window8K1.05M
Max output2K128K
Input $ / M tokens$0.65$2
Output $ / M tokens$0.65$10
Results tracked3434

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Category by category

Coding GPT-6.1 Sol leads

Gemma 2 27B: 34.1 (#246), GPT-6.1 Sol: 63.2 (#8)

BenchmarkGemma 2 27BGPT-6.1 Sol
LMArena Coding12111487
DeepSWE—75.2%
FrontierCode—50.2%
LMArena WebDev—1755
SciCode—55.8%
BigCodeBench Instruct42.8%—
LiveBench Coding36%—
BigCodeBench Complete52.5%—

Agentic & Tool Use Not comparable

Gemma 2 27B: —, GPT-6.1 Sol: 39.6 (#26)

BenchmarkGemma 2 27BGPT-6.1 Sol
APEX-Agents—60%
GDP.pdf—32%

Reasoning GPT-6.1 Sol leads

Gemma 2 27B: 15.3 (#315), GPT-6.1 Sol: 81.9 (#2)

BenchmarkGemma 2 27BGPT-6.1 Sol
LMArena Hard Prompts11981466
Epoch Capabilities Index122.08166.09
ARC-AGI-2—94.2%
NYT Connections (extended)—95.5%
ARC-AGI-1—98.5%
CritPt—31.7%
Chess Puzzles—61%
EBR-Bench—54.3%
LiveBench Reasoning28.1%—
Mystery Game Puzzles—80%
DTBench48%—
LiveBench Data Analysis47.9%—
LMCA7.1%—
LiveBench38.2%—

Math GPT-6.1 Sol leads

Gemma 2 27B: 10.7 (#311), GPT-6.1 Sol: 93.7 (#1)

BenchmarkGemma 2 27BGPT-6.1 Sol
OTIS Mock AIME 2024-20251.4%100%
LMArena Math12121464
FrontierMath (Tiers 1-3)—93.7%
FrontierMath Tier 4—100%
ProofBench—99%
LiveBench Math26.5%—
MATH Level 527.9%—

Knowledge GPT-6.1 Sol leads

Gemma 2 27B: 19.0 (#280), GPT-6.1 Sol: 71.8 (#4)

BenchmarkGemma 2 27BGPT-6.1 Sol
GPQA Diamond36.5%95.4%
LMArena Expert11721502
SimpleQA Verified—73.9%
Confabulations27.1%—
MMLU75.7%—

Multimodal Not comparable

Gemma 2 27B: —, GPT-6.1 Sol: 52.7 (#5)

BenchmarkGemma 2 27BGPT-6.1 Sol
LMArena Vision—1288
Furniture Assembly—80%

Multilingual GPT-6.1 Sol leads

Gemma 2 27B: 38.6 (#226), GPT-6.1 Sol: 54.3 (#46)

BenchmarkGemma 2 27BGPT-6.1 Sol
LMArena Non-English12171438
LMArena Chinese12211477
LMArena Russian12341455
LMArena French1247—
LMArena German1209—
LMArena Japanese1175—
LMArena Korean1174—
LMArena Spanish1228—

Instruction Following GPT-6.1 Sol leads

Gemma 2 27B: 60.5 (#249), GPT-6.1 Sol: 77.0 (#29)

BenchmarkGemma 2 27BGPT-6.1 Sol
LMArena Instruction Following12061468
LiveBench Instruction Following58.1%—

Long Context GPT-6.1 Sol leads

Gemma 2 27B: 37.3 (#218), GPT-6.1 Sol: 44.9 (#54)

BenchmarkGemma 2 27BGPT-6.1 Sol
LMArena Longer Query12311465

Writing & Preference GPT-6.1 Sol leads

Gemma 2 27B: 44.2 (#225), GPT-6.1 Sol: 63.6 (#63)

BenchmarkGemma 2 27BGPT-6.1 Sol
LMArena Text12311447
LMArena Creative Writing12411432
LMArena Multi-Turn12241449
LiveBench Language32.6%—

Frequently asked questions

Is Gemma 2 27B better than GPT-6.1 Sol?

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 29.4 on the Noometry Index. Gemma 2 27B costs 6.2× less per token, which makes it the better buy when GPT-6.1 Sol's lead doesn't matter for your workload.

Which is cheaper, Gemma 2 27B or GPT-6.1 Sol?

Gemma 2 27B is cheaper. It lists at $0.65 per million input tokens and $0.65 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

Is Gemma 2 27B or GPT-6.1 Sol better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 34.1 in the Noometry coding category.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 8K.

How many benchmarks do Gemma 2 27B and GPT-6.1 Sol share?

15 benchmarks have published results for both models. Gemma 2 27B has 34 scored results on Noometry and GPT-6.1 Sol has 34.

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