Noometry

Model comparison

Gemini 3.5 Flash vs Gemma 3 27B

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 30.8 on the Noometry Index. Gemma 3 27B costs 34× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.

Last verified . 26 shared benchmarks.

Gemini 3.5 Flash Google

54.2

Rank #32 Confirmed

Gemma 3 27B Google

30.8

Rank #284 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 9 categories and Gemma 3 27B in 1 category; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.8 to 16.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3.5 Flash and 22.5% for Gemma 3 27B.
  • Gemma 3 27B is cheaper at $0.08 / $0.16 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
  • Gemini 3.5 Flash accepts more context: 1.05M tokens versus 131K.
  • Gemma 3 27B has downloadable open weights; the other is API-only.

Side by side

Gemini 3.5 FlashGemma 3 27B
ProviderGoogleGoogle
Noometry Index54.230.8
Released2026-05-192025-03-11
WeightsProprietaryOpen
Context window1.05M131K
Max output66K8K
Input $ / M tokens$1.50$0.08
Output $ / M tokens$9$0.16
Results tracked5443

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

Category by category

Coding Gemini 3.5 Flash leads

Gemini 3.5 Flash: 49.4 (#49), Gemma 3 27B: 22.5 (#334)

BenchmarkGemini 3.5 FlashGemma 3 27B
SciCode53.1%21.2%
LMArena Coding14921322
SWE-bench Verified79.3%—
DeepSWE37.4%—
Aider Polyglot—4.9%
LMArena WebDev1499—
WeirdML62.6%—
LiveBench Coding—39.9%
ALE-Bench911.02—

Agentic & Tool Use Too close to call

Gemini 3.5 Flash: 24.7 (#114), Gemma 3 27B: 25.1 (#110)

BenchmarkGemini 3.5 FlashGemma 3 27B
APEX-Agents27.5%—
Berkeley Function Calling Leaderboard—29.5%
GBAEval6.7%—
GDP.pdf14%—
Vending-Bench 25,396—

Reasoning Gemini 3.5 Flash leads

Gemini 3.5 Flash: 62.8 (#18), Gemma 3 27B: 16.7 (#301)

BenchmarkGemini 3.5 FlashGemma 3 27B
CritPt13.1%0%
Chess Puzzles50%0%
LMArena Hard Prompts14881340
DTBench94.7%52.5%
LMCA47.1%12.3%
Epoch Capabilities Index154.46130.04
ARC-AGI-272.1%—
SimpleBench76.7%—
Kagi LLM Benchmark—40.4%
NYT Connections (extended)92.6%—
ARC-AGI-192.5%—
EnigmaEval25.4%—
EBR-Bench4.8%—
LiveBench Reasoning—43.8%
Mystery Game Puzzles32%—
LiveBench Data Analysis—51.5%
Surface Evolver Bench58.1%—
ForecastBench59—
LiveBench—50%

Math Gemini 3.5 Flash leads

Gemini 3.5 Flash: 60.7 (#36), Gemma 3 27B: 25.9 (#265)

BenchmarkGemini 3.5 FlashGemma 3 27B
OTIS Mock AIME 2024-202595.6%22.5%
LMArena Math15041312
FrontierMath (Tiers 1-3)62.8%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions76.3%—
ProofBench31%—
LiveBench Math—55.4%
MATH Level 5—74%
FrontierMath (Feb 2025 set)39%—
FrontierMath Tier 4 (v1)14.6%—

Knowledge Gemini 3.5 Flash leads

Gemini 3.5 Flash: 66.3 (#11), Gemma 3 27B: 25.5 (#261)

BenchmarkGemini 3.5 FlashGemma 3 27B
GPQA Diamond92.8%47.7%
LMArena Expert14951304
SimpleQA Verified66.2%—
Confabulations—40.3%
Vectara Hallucination Rate—7.4%

Multimodal Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.7 (#15), Gemma 3 27B: 32.6 (#100)

BenchmarkGemini 3.5 FlashGemma 3 27B
LMArena Vision13101164
GeoBench—52%
Blueprint-Bench 233.6%—
LMArena Document1463—

Multilingual Gemini 3.5 Flash leads

Gemini 3.5 Flash: 57.0 (#13), Gemma 3 27B: 46.9 (#155)

BenchmarkGemini 3.5 FlashGemma 3 27B
LMArena Non-English14761334
LMArena Chinese15261346
LMArena French14901368
LMArena German14921362
LMArena Japanese14861287
LMArena Korean14511308
LMArena Russian14931349
LMArena Spanish14801349

Instruction Following Gemini 3.5 Flash leads

Gemini 3.5 Flash: 77.0 (#30), Gemma 3 27B: 70.6 (#160)

BenchmarkGemini 3.5 FlashGemma 3 27B
LMArena Instruction Following14671321
LiveBench Instruction Following—74.9%

Long Context Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.4 (#38), Gemma 3 27B: 27.6 (#293)

BenchmarkGemini 3.5 FlashGemma 3 27B
LMArena Longer Query14821333
Fiction.LiveBench—33.3%

Writing & Preference Gemini 3.5 Flash leads

Gemini 3.5 Flash: 65.5 (#47), Gemma 3 27B: 52.5 (#168)

BenchmarkGemini 3.5 FlashGemma 3 27B
LMArena Text14821358
LMArena Creative Writing14701346
LMArena Multi-Turn14811345
Short-Story Creative Writing—79.9%
EQ-Bench Creative Writing—1266
EQ-Bench 41087—
LiveBench Language—34.6%

Frequently asked questions

Is Gemini 3.5 Flash better than Gemma 3 27B?

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 30.8 on the Noometry Index. Gemma 3 27B costs 34× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.5 Flash or Gemma 3 27B?

Gemma 3 27B is cheaper. It lists at $0.08 per million input tokens and $0.16 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.

Is Gemini 3.5 Flash or Gemma 3 27B better for coding?

Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 22.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.5 Flash does, with 1.05M tokens against 131K.

How many benchmarks do Gemini 3.5 Flash and Gemma 3 27B share?

26 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Gemma 3 27B has 43.

Related comparisons

Go deeper