# Gemma 2B vs Gemma 3 4B

> Gemma 2B is the stronger model overall, scoring 29.6 to 28.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2b-vs-gemma-3-4b
- Last updated: 2026-10-12
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. Gemma 2B scores higher in 2 categories and Gemma 3 4B in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Gemma 3 4B leads 42.5 to 23.0.

## Snapshot

| | Gemma 2B | Gemma 3 4B |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 29.6 | 28.1 |
| Rank | 307 | 326 |
| Context | — | 131K |
| Input $/M | — | $0.04 |
| Output $/M | — | $0.08 |
| Weights | Open | Open |

## Coding

- Gemma 2B: 29.4 (#305)
- Gemma 3 4B: 35.9 (#215)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| LMArena Coding | 1010 | 1230 |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |

## Agentic & Tool Use

- Gemma 2B: —
- Gemma 3 4B: 20.9 (#142)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 19.6% |

## Reasoning

- Gemma 2B: 18.8 (#275)
- Gemma 3 4B: 13.2 (#335)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| LMArena Hard Prompts | 989 | 1253 |
| Epoch Capabilities Index | 94.2 | 116.02 |
| Kagi LLM Benchmark | — | 25.2% |
| Chess Puzzles | — | 0% |
| DTBench | — | 50.9% |
| LMCA | — | 2.8% |
| BIG-Bench Hard | 35.2% | — |
| HellaSwag | 71.4% | — |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |

## Math

- Gemma 2B: 30.0 (#239)
- Gemma 3 4B: 16.8 (#292)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| LMArena Math | 1009 | 1239 |
| OTIS Mock AIME 2024-2025 | — | 7.5% |
| GSM8K | 17.7% | — |

## Knowledge

- Gemma 2B: —
- Gemma 3 4B: 11.8 (#299)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| GPQA Diamond | — | 23.2% |
| Vectara Hallucination Rate | — | 6.4% |
| LMArena Expert | — | 1223 |
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |

## Multilingual

- Gemma 2B: 23.0 (#294)
- Gemma 3 4B: 42.5 (#194)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| LMArena Non-English | 958 | 1273 |
| LMArena Russian | 937 | 1294 |
| LMArena Chinese | 986 | — |
| LMArena German | — | 1281 |

## Instruction Following

- Gemma 2B: 48.5 (#302)
- Gemma 3 4B: 65.2 (#225)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| LMArena Instruction Following | 970 | 1239 |

## Long Context

- Gemma 2B: 29.9 (#291)
- Gemma 3 4B: 38.7 (#194)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| LMArena Longer Query | 981 | 1273 |

## Writing & Preference

- Gemma 2B: 24.0 (#308)
- Gemma 3 4B: 42.0 (#239)

| Benchmark | Gemma 2B | Gemma 3 4B |
|---|---|---|
| LMArena Text | 1002 | 1291 |
| LMArena Creative Writing | 987 | 1271 |
| LMArena Multi-Turn | 945 | 1255 |
| EQ-Bench Creative Writing | — | 1068 |

## FAQ

### Is Gemma 2B better than Gemma 3 4B?

Gemma 2B is the stronger model overall, scoring 29.6 to 28.1 on the Noometry Index.

### Is Gemma 2B or Gemma 3 4B better for coding?

Gemma 3 4B scores higher on coding benchmarks: 35.9 versus 29.4 in the Noometry coding category.

### How many benchmarks do Gemma 2B and Gemma 3 4B share?

11 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and Gemma 3 4B has 22.