Model comparison
Mercury 2 vs Qwen2.5-Coder (1.5B)
Mercury 2 has enough public results to be ranked (#175); Qwen2.5-Coder (1.5B) does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- Qwen2.5-Coder (1.5B) has downloadable open weights; the other is API-only.
Side by side
| Mercury 2 | Qwen2.5-Coder (1.5B) | |
|---|---|---|
| Provider | Inception | Alibaba (Qwen) |
| Noometry Index | 39.1 | — |
| Released | 2026-02-20 | 2024-09-18 |
| Weights | Proprietary | Open |
| Context window | 128K | — |
| Max output | 50K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $0.75 | — |
| Results tracked | 17 | 6 |
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Category by category
Coding Not comparable
Mercury 2: 33.5 (#255), Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| LMArena WebDev | 1171 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| LMArena Coding | 1391 | — |
| ALE-Bench | 785.58 | — |
Reasoning Not comparable
Mercury 2: 23.8 (#170), Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| CritPt | 0.8% | — |
| LMArena Hard Prompts | 1362 | — |
| Epoch Capabilities Index | — | 113.14 |
| HellaSwag | — | 76.8% |
| WinoGrande | — | 72.9% |
Math Not comparable
Mercury 2: —, Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| GSM8K | — | 86.7% |
Knowledge Not comparable
Mercury 2: 36.2 (#172), Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| Vectara Hallucination Rate | 12.3% | — |
| LMArena Expert | 1358 | — |
| ARC (AI2) Challenge | — | 60.9% |
| MMLU | — | 68% |
Multilingual Not comparable
Mercury 2: 46.6 (#157), Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| LMArena Non-English | 1331 | — |
| LMArena Chinese | 1417 | — |
| LMArena Russian | 1304 | — |
Instruction Following Not comparable
Mercury 2: 70.2 (#165), Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| LMArena Instruction Following | 1329 | — |
Long Context Not comparable
Mercury 2: 40.5 (#154), Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| LMArena Longer Query | 1330 | — |
Writing & Preference Not comparable
Mercury 2: 53.8 (#155), Qwen2.5-Coder (1.5B): —
| Benchmark | Mercury 2 | Qwen2.5-Coder (1.5B) |
|---|---|---|
| LMArena Text | 1355 | — |
| LMArena Creative Writing | 1289 | — |
| LMArena Multi-Turn | 1358 | — |
Frequently asked questions
Is Mercury 2 better than Qwen2.5-Coder (1.5B)?
Mercury 2 has enough public results to be ranked (#175); Qwen2.5-Coder (1.5B) does not yet, so treat this comparison as directional.
How many benchmarks do Mercury 2 and Qwen2.5-Coder (1.5B) share?
0 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and Qwen2.5-Coder (1.5B) has 6.