# Gemini 3 Flash Preview vs Gemma 2 27B

> Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 29.4 on the Noometry Index. Gemma 2 27B costs 1.7× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-flash-preview-vs-gemma-2-27b
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Gemini 3 Flash Preview scores higher in 8 categories and Gemma 2 27B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 3 Flash Preview leads 51.7 to 10.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3 Flash Preview and 1.4% for Gemma 2 27B.
- Gemma 2 27B is cheaper at $0.65 / $0.65 per million input/output tokens, against $0.50 / $3 for Gemini 3 Flash Preview.
- Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 8K.
- Gemma 2 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 52.3 | 29.4 |
| Rank | 40 | 312 |
| Context | 1.05M | 8K |
| Input $/M | $0.50 | $0.65 |
| Output $/M | $3 | $0.65 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3 Flash Preview: 50.9 (#42)
- Gemma 2 27B: 34.1 (#246)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| LMArena Coding | 1460 | 1211 |
| SWE-bench Verified | 75.4% | — |
| SWE-bench Verified (bash only) | 75.8% | — |
| LMArena WebDev | 1439 | — |
| SWE-bench Multilingual | 72.7% | — |
| GSO | 9.8% | — |
| WeirdML | 61.6% | — |
| BigCodeBench Instruct | — | 42.8% |
| LiveBench Coding | — | 36% |
| BigCodeBench Complete | — | 52.5% |
| ALE-Bench | 1,367 | — |

## Agentic & Tool Use

- Gemini 3 Flash Preview: 38.7 (#29)
- Gemma 2 27B: —

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| Terminal-Bench | 64.3% | — |
| τ²-bench Airline | 82.5% | — |
| τ²-bench Banking | 27.3% | — |
| τ²-bench Retail | 76.8% | — |
| τ²-bench Telecom | 91.2% | — |
| DeepResearch Bench | 49.8% | — |
| BALROG | 48.1% | — |
| GDP.pdf | 10% | — |
| LMArena Search | 1198 | — |
| Vending-Bench 2 | 3,635 | — |

## Reasoning

- Gemini 3 Flash Preview: 49.2 (#37)
- Gemma 2 27B: 15.3 (#315)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| LMArena Hard Prompts | 1465 | 1198 |
| DTBench | 89.1% | 48% |
| LMCA | 43.1% | 7.1% |
| Epoch Capabilities Index | 151.8 | 122.08 |
| ARC-AGI-2 | 33.6% | — |
| SimpleBench | 61.1% | — |
| NYT Connections (extended) | 83.1% | — |
| ARC-AGI-1 | 84.7% | — |
| Chess Puzzles | 40% | — |
| LiveBench Reasoning | — | 28.1% |
| Mystery Game Puzzles | 26% | — |
| LiveBench Data Analysis | — | 47.9% |
| ForecastBench | 58.5 | — |
| LiveBench | — | 38.2% |

## Math

- Gemini 3 Flash Preview: 51.7 (#55)
- Gemma 2 27B: 10.7 (#311)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 1.4% |
| LMArena Math | 1473 | 1212 |
| FrontierMath (Tiers 1-3) | 51.2% | — |
| FrontierMath Tier 4 | 17.1% | — |
| MathArena Final-Answer Competitions | 67.6% | — |
| ProofBench | 15% | — |
| LiveBench Math | — | 26.5% |
| MATH Level 5 | — | 27.9% |
| FrontierMath (Feb 2025 set) | 35.6% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Gemini 3 Flash Preview: 58.8 (#33)
- Gemma 2 27B: 19.0 (#280)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| GPQA Diamond | 89.4% | 36.5% |
| LMArena Expert | 1462 | 1172 |
| SimpleQA Verified | 66.8% | — |
| Confabulations | — | 27.1% |
| Vectara Hallucination Rate | 13.5% | — |
| MMLU | — | 75.7% |

## Multimodal

- Gemini 3 Flash Preview: 45.5 (#16)
- Gemma 2 27B: —

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| LMArena Vision | 1285 | — |
| GeoBench | 88% | — |
| VPCT | 72.6% | — |
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1413 | — |

## Multilingual

- Gemini 3 Flash Preview: 55.7 (#27)
- Gemma 2 27B: 38.6 (#226)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| LMArena Non-English | 1458 | 1217 |
| LMArena Chinese | 1511 | 1221 |
| LMArena French | 1477 | 1247 |
| LMArena German | 1497 | 1209 |
| LMArena Japanese | 1489 | 1175 |
| LMArena Korean | 1443 | 1174 |
| LMArena Russian | 1480 | 1234 |
| LMArena Spanish | 1469 | 1228 |

## Instruction Following

- Gemini 3 Flash Preview: 75.7 (#56)
- Gemma 2 27B: 60.5 (#249)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| LMArena Instruction Following | 1437 | 1206 |
| LiveBench Instruction Following | — | 58.1% |

## Long Context

- Gemini 3 Flash Preview: 44.4 (#67)
- Gemma 2 27B: 37.3 (#218)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| LMArena Longer Query | 1452 | 1231 |

## Writing & Preference

- Gemini 3 Flash Preview: 65.5 (#45)
- Gemma 2 27B: 44.2 (#225)

| Benchmark | Gemini 3 Flash Preview | Gemma 2 27B |
|---|---|---|
| LMArena Text | 1466 | 1231 |
| LMArena Creative Writing | 1457 | 1241 |
| LMArena Multi-Turn | 1471 | 1224 |
| LiveBench Language | — | 32.6% |

## FAQ

### Is Gemini 3 Flash Preview better than Gemma 2 27B?

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 29.4 on the Noometry Index. Gemma 2 27B costs 1.7× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

### Which is cheaper, Gemini 3 Flash Preview or Gemma 2 27B?

Gemma 2 27B is cheaper. It lists at $0.65 per million input tokens and $0.65 per million output tokens; Gemini 3 Flash Preview lists at $0.50 and $3.

### Is Gemini 3 Flash Preview or Gemma 2 27B better for coding?

Gemini 3 Flash Preview scores higher on coding benchmarks: 50.9 versus 34.1 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3 Flash Preview does, with 1.05M tokens against 8K.

### How many benchmarks do Gemini 3 Flash Preview and Gemma 2 27B share?

22 benchmarks have published results for both models. Gemini 3 Flash Preview has 59 scored results on Noometry and Gemma 2 27B has 34.