# Gemma 3 4B vs Mercury

> Mercury is the stronger model overall, scoring 37.6 to 28.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-4b-vs-mercury
- Last updated: 2026-10-11
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Gemma 3 4B scores higher in 2 categories and Mercury in 4 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Mercury leads 17.5 to 13.2.
- Gemma 3 4B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3 4B | Mercury |
|---|---|---|
| Provider | Google | Inception |
| Noometry Index | 28.1 | 37.6 |
| Rank | 326 | 199 |
| Context | 131K | — |
| Input $/M | $0.04 | — |
| Output $/M | $0.08 | — |
| Weights | Open | Proprietary |

## Coding

- Gemma 3 4B: 35.9 (#215)
- Mercury: 38.7 (#170)

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| LMArena Coding | 1230 | 1322 |

## Agentic & Tool Use

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

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

## Reasoning

- Gemma 3 4B: 13.2 (#335)
- Mercury: 17.5 (#293)

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| Kagi LLM Benchmark | 25.2% | 21.6% |
| LMArena Hard Prompts | 1253 | 1285 |
| Chess Puzzles | 0% | — |
| DTBench | 50.9% | — |
| LMCA | 2.8% | — |
| Epoch Capabilities Index | 116.02 | — |

## Math

- Gemma 3 4B: 16.8 (#292)
- Mercury: —

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 7.5% | — |
| LMArena Math | 1239 | — |

## Knowledge

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

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| GPQA Diamond | 23.2% | — |
| Vectara Hallucination Rate | 6.4% | — |
| LMArena Expert | 1223 | — |

## Multilingual

- Gemma 3 4B: 42.5 (#194)
- Mercury: 41.6 (#206)

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| LMArena Non-English | 1273 | 1260 |
| LMArena German | 1281 | — |
| LMArena Russian | 1294 | — |

## Instruction Following

- Gemma 3 4B: 65.2 (#225)
- Mercury: 65.2 (#224)

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| LMArena Instruction Following | 1239 | 1239 |

## Long Context

- Gemma 3 4B: 38.7 (#194)
- Mercury: 38.4 (#198)

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| LMArena Longer Query | 1273 | 1266 |

## Writing & Preference

- Gemma 3 4B: 42.0 (#239)
- Mercury: 46.2 (#221)

| Benchmark | Gemma 3 4B | Mercury |
|---|---|---|
| LMArena Text | 1291 | 1282 |
| LMArena Creative Writing | 1271 | 1191 |
| LMArena Multi-Turn | 1255 | 1282 |
| EQ-Bench Creative Writing | 1068 | — |

## FAQ

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

Mercury is the stronger model overall, scoring 37.6 to 28.1 on the Noometry Index.

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

Mercury scores higher on coding benchmarks: 38.7 versus 35.9 in the Noometry coding category.

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

9 benchmarks have published results for both models. Gemma 3 4B has 22 scored results on Noometry and Mercury has 9.