Model comparison
Mercury 2.5 vs Wizardlm 13b
Wizardlm 13b has enough public results to be ranked (#272); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Wizardlm 13b leads 27.8 to 22.4.
- Wizardlm 13b has downloadable open weights; the other is API-only.
Side by side
| Mercury 2.5 | Wizardlm 13b | |
|---|---|---|
| Provider | Inception | Microsoft |
| Noometry Index | 30.2 | 30.8 |
| Released | 2026-09-08 | — |
| Weights | Proprietary | Open |
| Context window | 260K | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.04 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 2 | 10 |
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Category by category
Coding Not comparable
Mercury 2.5: —, Wizardlm 13b: 29.6 (#293)
| Benchmark | Mercury 2.5 | Wizardlm 13b |
|---|---|---|
| LMArena Coding | — | 1035 |
| ALE-Bench | 301.65 | — |
Reasoning Not comparable
Mercury 2.5: —, Wizardlm 13b: 18.5 (#265)
| Benchmark | Mercury 2.5 | Wizardlm 13b |
|---|---|---|
| LMArena Hard Prompts | — | 1018 |
Math Wizardlm 13b leads
Mercury 2.5: 22.4, Wizardlm 13b: 27.8 (#235)
| Benchmark | Mercury 2.5 | Wizardlm 13b |
|---|---|---|
| ProofBench | 3% | — |
| LMArena Math | — | 1017 |
Multilingual Not comparable
Mercury 2.5: —, Wizardlm 13b: 27.3 (#272)
| Benchmark | Mercury 2.5 | Wizardlm 13b |
|---|---|---|
| LMArena Non-English | — | 1034 |
| LMArena Chinese | — | 1023 |
Instruction Following Not comparable
Mercury 2.5: —, Wizardlm 13b: 53.7 (#280)
| Benchmark | Mercury 2.5 | Wizardlm 13b |
|---|---|---|
| LMArena Instruction Following | — | 1049 |
Long Context Not comparable
Mercury 2.5: —, Wizardlm 13b: 32.0 (#268)
| Benchmark | Mercury 2.5 | Wizardlm 13b |
|---|---|---|
| LMArena Longer Query | — | 1054 |
Writing & Preference Not comparable
Mercury 2.5: —, Wizardlm 13b: 30.7 (#282)
| Benchmark | Mercury 2.5 | Wizardlm 13b |
|---|---|---|
| LMArena Text | — | 1077 |
| LMArena Creative Writing | — | 1090 |
| LMArena Multi-Turn | — | 1047 |
Frequently asked questions
Is Mercury 2.5 better than Wizardlm 13b?
Wizardlm 13b has enough public results to be ranked (#272); Mercury 2.5 does not yet, so treat this comparison as directional.
How many benchmarks do Mercury 2.5 and Wizardlm 13b share?
0 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and Wizardlm 13b has 10.