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.

Mercury 2.5 Inception

30.2

Unranked Sparse

Wizardlm 13b Microsoft

30.8

Rank #272 Confirmed

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 and Wizardlm 13b specifications
Mercury 2.5Wizardlm 13b
ProviderInceptionMicrosoft
Noometry Index30.230.8
Released2026-09-08—
WeightsProprietaryOpen
Context window260K—
Max output66K—
Input $ / M tokens$0.04—
Output $ / M tokens$0.15—
Results tracked210

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Category by category

Coding Not comparable

Mercury 2.5: —, Wizardlm 13b: 29.6 (#293)

Coding benchmarks
BenchmarkMercury 2.5Wizardlm 13b
LMArena Coding—1035
ALE-Bench301.65—

Reasoning Not comparable

Mercury 2.5: —, Wizardlm 13b: 18.5 (#265)

Reasoning benchmarks
BenchmarkMercury 2.5Wizardlm 13b
LMArena Hard Prompts—1018

Math Wizardlm 13b leads

Mercury 2.5: 22.4, Wizardlm 13b: 27.8 (#235)

Math benchmarks
BenchmarkMercury 2.5Wizardlm 13b
ProofBench3%—
LMArena Math—1017

Multilingual Not comparable

Mercury 2.5: —, Wizardlm 13b: 27.3 (#272)

Multilingual benchmarks
BenchmarkMercury 2.5Wizardlm 13b
LMArena Non-English—1034
LMArena Chinese—1023

Instruction Following Not comparable

Mercury 2.5: —, Wizardlm 13b: 53.7 (#280)

Instruction Following benchmarks
BenchmarkMercury 2.5Wizardlm 13b
LMArena Instruction Following—1049

Long Context Not comparable

Mercury 2.5: —, Wizardlm 13b: 32.0 (#268)

Long Context benchmarks
BenchmarkMercury 2.5Wizardlm 13b
LMArena Longer Query—1054

Writing & Preference Not comparable

Mercury 2.5: —, Wizardlm 13b: 30.7 (#282)

Writing & Preference benchmarks
BenchmarkMercury 2.5Wizardlm 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.

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