Model comparison
Llama 3.1 Nemotron 51b Instruct vs Mercury
Mercury is the stronger model overall, scoring 37.6 to 35.9 on the Noometry Index.
Last verified . 8 shared benchmarks.
NVIDIASummary
- They share 8 benchmarks with published results for both. Llama 3.1 Nemotron 51b Instruct scores higher in 1 category and Mercury in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Llama 3.1 Nemotron 51b Instruct leads 23.5 to 17.5.
- Llama 3.1 Nemotron 51b Instruct has downloadable open weights; the other is API-only.
Side by side
| Llama 3.1 Nemotron 51b Instruct | Mercury | |
|---|---|---|
| Provider | NVIDIA | Inception |
| Noometry Index | 35.9 | 37.6 |
| Released | — | — |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 12 | 9 |
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Category by category
Coding Mercury leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), Mercury: 38.7 (#170)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Coding | 1223 | 1322 |
Reasoning Llama 3.1 Nemotron 51b Instruct leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), Mercury: 17.5 (#293)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1285 |
| Kagi LLM Benchmark | — | 21.6% |
Math Not comparable
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), Mercury: —
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Math | 1230 | — |
Knowledge Not comparable
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), Mercury: —
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Expert | 1167 | — |
Multilingual Mercury leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), Mercury: 41.6 (#206)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Non-English | 1181 | 1260 |
| LMArena Chinese | 1180 | — |
| LMArena Russian | 1187 | — |
Instruction Following Mercury leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), Mercury: 65.2 (#224)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Instruction Following | 1201 | 1239 |
Long Context Mercury leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), Mercury: 38.4 (#198)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Longer Query | 1205 | 1266 |
Writing & Preference Mercury leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), Mercury: 46.2 (#221)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mercury |
|---|---|---|
| LMArena Text | 1228 | 1282 |
| LMArena Creative Writing | 1213 | 1191 |
| LMArena Multi-Turn | 1227 | 1282 |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than Mercury?
Mercury is the stronger model overall, scoring 37.6 to 35.9 on the Noometry Index.
Is Llama 3.1 Nemotron 51b Instruct or Mercury better for coding?
Mercury scores higher on coding benchmarks: 38.7 versus 35.6 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron 51b Instruct and Mercury share?
8 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and Mercury has 9.