Model comparison
Mercury 2 vs phi-3-medium 14B
Mercury 2 is the stronger model overall, scoring 38.8 to 29.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- The widest gap is in knowledge, where Mercury 2 leads 35.6 to 9.1.
- phi-3-medium 14B has downloadable open weights; the other is API-only.
Side by side
| Mercury 2 | phi-3-medium 14B | |
|---|---|---|
| Provider | Inception | Microsoft |
| Noometry Index | 38.8 | 29.1 |
| Released | 2026-02-20 | 2024-04-23 |
| Weights | Proprietary | Open |
| Context window | 128K | — |
| Max output | 50K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $0.75 | — |
| Results tracked | 17 | 13 |
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Category by category
Coding phi-3-medium 14B leads
Mercury 2: 33.2 (#250), phi-3-medium 14B: 36.3 (#198)
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| LMArena WebDev | 1170 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| BigCodeBench Instruct | — | 37.6% |
| LMArena Coding | 1391 | — |
| BigCodeBench Complete | — | 48.7% |
| ALE-Bench | 785.58 | — |
Reasoning Not comparable
Mercury 2: 23.0 (#170), phi-3-medium 14B: —
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| CritPt | 0.8% | — |
| LMArena Hard Prompts | 1362 | — |
| Adversarial NLI | — | 55.8% |
| BIG-Bench Hard | — | 81.4% |
| Epoch Capabilities Index | — | 121.18 |
| HellaSwag | — | 82.4% |
| WinoGrande | — | 81.5% |
Math Not comparable
Mercury 2: —, phi-3-medium 14B: 25.2 (#249)
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| MATH Level 5 | — | 17.6% |
Knowledge Mercury 2 leads
Mercury 2: 35.6 (#170), phi-3-medium 14B: 9.1 (#301)
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| GPQA Diamond | — | 27.6% |
| Vectara Hallucination Rate | 12.3% | — |
| LMArena Expert | 1358 | — |
| ARC (AI2) Challenge | — | 91.6% |
| MMLU | — | 78% |
| OpenBookQA | — | 87.4% |
| TriviaQA | — | 73.9% |
Multilingual Not comparable
Mercury 2: 46.8 (#153), phi-3-medium 14B: —
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| LMArena Non-English | 1331 | — |
| LMArena Chinese | 1416 | — |
| LMArena Russian | 1303 | — |
Instruction Following Not comparable
Mercury 2: 70.4 (#161), phi-3-medium 14B: —
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| LMArena Instruction Following | 1328 | — |
Long Context Not comparable
Mercury 2: 40.4 (#149), phi-3-medium 14B: —
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| LMArena Longer Query | 1329 | — |
Writing & Preference Not comparable
Mercury 2: 54.0 (#151), phi-3-medium 14B: —
| Benchmark | Mercury 2 | phi-3-medium 14B |
|---|---|---|
| LMArena Text | 1355 | — |
| LMArena Creative Writing | 1289 | — |
| LMArena Multi-Turn | 1358 | — |
Frequently asked questions
Is Mercury 2 better than phi-3-medium 14B?
Mercury 2 is the stronger model overall, scoring 38.8 to 29.1 on the Noometry Index.
Is Mercury 2 or phi-3-medium 14B better for coding?
phi-3-medium 14B scores higher on coding benchmarks: 36.3 versus 33.2 in the Noometry coding category.
How many benchmarks do Mercury 2 and phi-3-medium 14B share?
0 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and phi-3-medium 14B has 13.