# Gemma 2B vs Mercury 2.5

> Mercury 2.5 is the stronger model overall, scoring 33.5 to 29.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2b-vs-mercury-2-5
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Mercury 2.5 leads 39.5 to 29.4.
- Gemma 2B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2B | Mercury 2.5 |
|---|---|---|
| Provider | Google | Inception |
| Noometry Index | 29.6 | 33.5 |
| Rank | 307 | 242 |
| Context | — | 260K |
| Input $/M | — | $0.04 |
| Output $/M | — | $0.15 |
| Weights | Open | Proprietary |

## Coding

- Gemma 2B: 29.4 (#305)
- Mercury 2.5: 39.5 (#156)

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| SciCode | — | 38.5% |
| LMArena Coding | 1010 | — |
| ALE-Bench | — | 301.65 |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |

## Reasoning

- Gemma 2B: 18.8 (#275)
- Mercury 2.5: 22.4 (#193)

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 989 | — |
| BIG-Bench Hard | 35.2% | — |
| Epoch Capabilities Index | 94.2 | — |
| HellaSwag | 71.4% | — |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |

## Math

- Gemma 2B: 30.0 (#239)
- Mercury 2.5: 23.3 (#272)

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| LMArena Math | 1009 | — |
| GSM8K | 17.7% | — |

## Knowledge

- Gemma 2B: —
- Mercury 2.5: —

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |

## Multilingual

- Gemma 2B: 23.0 (#294)
- Mercury 2.5: —

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 958 | — |
| LMArena Chinese | 986 | — |
| LMArena Russian | 937 | — |

## Instruction Following

- Gemma 2B: 48.5 (#302)
- Mercury 2.5: —

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 970 | — |

## Long Context

- Gemma 2B: 29.9 (#291)
- Mercury 2.5: —

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 981 | — |

## Writing & Preference

- Gemma 2B: 24.0 (#308)
- Mercury 2.5: —

| Benchmark | Gemma 2B | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1002 | — |
| LMArena Creative Writing | 987 | — |
| LMArena Multi-Turn | 945 | — |

## FAQ

### Is Gemma 2B better than Mercury 2.5?

Mercury 2.5 is the stronger model overall, scoring 33.5 to 29.6 on the Noometry Index.

### Is Gemma 2B or Mercury 2.5 better for coding?

Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 29.4 in the Noometry coding category.

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

0 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and Mercury 2.5 has 4.