Model comparison
Gemma 2B vs Mercury 2
Mercury 2 is the stronger model overall, scoring 39.1 to 29.6 on the Noometry Index.
Last verified . 10 shared benchmarks.
GoogleSummary
- They share 10 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and Mercury 2 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mercury 2 leads 53.8 to 24.0.
- Gemma 2B has downloadable open weights; the other is API-only.
Side by side
| Gemma 2B | Mercury 2 | |
|---|---|---|
| Provider | Inception | |
| Noometry Index | 29.6 | 39.1 |
| Released | 2024-02-21 | 2026-02-20 |
| Weights | Open | Proprietary |
| Context window | — | 128K |
| Max output | — | 50K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $0.75 |
| Results tracked | 23 | 17 |
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Category by category
Coding Mercury 2 leads
Gemma 2B: 29.4 (#305), Mercury 2: 33.5 (#255)
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| LMArena Coding | 1010 | 1391 |
| LMArena WebDev | — | 1171 |
| SciCode | — | 38.7% |
| WeirdML | — | 43.2% |
| ALE-Bench | — | 785.58 |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |
Reasoning Mercury 2 leads
Gemma 2B: 18.8 (#275), Mercury 2: 23.8 (#170)
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| LMArena Hard Prompts | 989 | 1362 |
| CritPt | — | 0.8% |
| BIG-Bench Hard | 35.2% | — |
| Epoch Capabilities Index | 94.2 | — |
| HellaSwag | 71.4% | — |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |
Math Not comparable
Gemma 2B: 30.0 (#239), Mercury 2: —
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| LMArena Math | 1009 | — |
| GSM8K | 17.7% | — |
Knowledge Not comparable
Gemma 2B: —, Mercury 2: 36.2 (#172)
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| Vectara Hallucination Rate | — | 12.3% |
| LMArena Expert | — | 1358 |
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |
Multilingual Mercury 2 leads
Gemma 2B: 23.0 (#294), Mercury 2: 46.6 (#157)
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| LMArena Non-English | 958 | 1331 |
| LMArena Chinese | 986 | 1417 |
| LMArena Russian | 937 | 1304 |
Instruction Following Mercury 2 leads
Gemma 2B: 48.5 (#302), Mercury 2: 70.2 (#165)
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | 970 | 1329 |
Long Context Mercury 2 leads
Gemma 2B: 29.9 (#291), Mercury 2: 40.5 (#154)
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| LMArena Longer Query | 981 | 1330 |
Writing & Preference Mercury 2 leads
Gemma 2B: 24.0 (#308), Mercury 2: 53.8 (#155)
| Benchmark | Gemma 2B | Mercury 2 |
|---|---|---|
| LMArena Text | 1002 | 1355 |
| LMArena Creative Writing | 987 | 1289 |
| LMArena Multi-Turn | 945 | 1358 |
Frequently asked questions
Is Gemma 2B better than Mercury 2?
Mercury 2 is the stronger model overall, scoring 39.1 to 29.6 on the Noometry Index.
Is Gemma 2B or Mercury 2 better for coding?
Mercury 2 scores higher on coding benchmarks: 33.5 versus 29.4 in the Noometry coding category.
How many benchmarks do Gemma 2B and Mercury 2 share?
10 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and Mercury 2 has 17.