# Gemini 2.5 Flash vs Gemma 2B

> Gemini 2.5 Flash is the stronger model overall, scoring 39.0 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-vs-gemma-2b
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 7 categories and Gemma 2B in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemini 2.5 Flash leads 54.0 to 24.1.
- Gemma 2B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 39.0 | 29.1 |
| Rank | 162 | 305 |
| Context | 1.05M | — |
| Input $/M | $0.30 | — |
| Output $/M | $2.50 | — |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Flash: 35.5 (#210)
- Gemma 2B: 28.9 (#300)

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Coding | 1424 | 1010 |
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| ALE-Bench | 661.88 | — |
| HumanEval+ | — | 20.7% |
| MBPP+ | — | 34.1% |

## Agentic & Tool Use

- Gemini 2.5 Flash: 30.6 (#67)
- Gemma 2B: —

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |

## Reasoning

- Gemini 2.5 Flash: 18.2 (#271)
- Gemma 2B: 17.9 (#275)

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Hard Prompts | 1422 | 989 |
| Epoch Capabilities Index | 143.04 | 93.57 |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 2.7% | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| BIG-Bench Hard | — | 35.2% |
| ForecastBench | 60.6 | — |
| HellaSwag | — | 71.4% |
| PIQA | — | 77.3% |
| WinoGrande | — | 65.4% |

## Math

- Gemini 2.5 Flash: 38.1 (#87)
- Gemma 2B: 27.6 (#237)

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Math | 1415 | 1009 |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
| GSM8K | — | 17.7% |

## Knowledge

- Gemini 2.5 Flash: 36.1 (#162)
- Gemma 2B: —

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |
| LMArena Expert | 1426 | — |
| ARC (AI2) Challenge | — | 42.1% |
| BoolQ | — | 69.4% |
| MMLU | — | 42.3% |
| TriviaQA | — | 53.2% |

## Multimodal

- Gemini 2.5 Flash: 41.2 (#31)
- Gemma 2B: —

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Vision | 1254 | — |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |

## Multilingual

- Gemini 2.5 Flash: 52.5 (#83)
- Gemma 2B: 23.1 (#289)

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Non-English | 1410 | 958 |
| LMArena Chinese | 1450 | 986 |
| LMArena Russian | 1415 | 937 |
| LMArena French | 1433 | — |
| LMArena German | 1419 | — |
| LMArena Japanese | 1403 | — |
| LMArena Korean | 1385 | — |
| LMArena Spanish | 1421 | — |

## Instruction Following

- Gemini 2.5 Flash: 75.9 (#50)
- Gemma 2B: 48.8 (#297)

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Instruction Following | 1405 | 971 |
| IFEval | 89.8% | — |

## Long Context

- Gemini 2.5 Flash: 47.5 (#16)
- Gemma 2B: 29.9 (#286)

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Longer Query | 1419 | 981 |
| Fiction.LiveBench | 77.8% | — |

## Writing & Preference

- Gemini 2.5 Flash: 54.0 (#153)
- Gemma 2B: 24.1 (#303)

| Benchmark | Gemini 2.5 Flash | Gemma 2B |
|---|---|---|
| LMArena Text | 1417 | 1002 |
| LMArena Creative Writing | 1400 | 986 |
| LMArena Multi-Turn | 1408 | 945 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |

## FAQ

### Is Gemini 2.5 Flash better than Gemma 2B?

Gemini 2.5 Flash is the stronger model overall, scoring 39.0 to 29.1 on the Noometry Index.

### Is Gemini 2.5 Flash or Gemma 2B better for coding?

Gemini 2.5 Flash scores higher on coding benchmarks: 35.5 versus 28.9 in the Noometry coding category.

### How many benchmarks do Gemini 2.5 Flash and Gemma 2B share?

12 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Gemma 2B has 23.